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Duke Energy 2022 10-K Annual Report

DUK · CIK 1326160 · Form 10-K · Fiscal year ended December 31, 2022 · Filed February 27, 2023

20 sections, 1606K characters. Original on sec.gov · Markdown · JSON

Risk FactorsBusinessMD&AFinancial StatementsWhat changed vs 2021

Cover and table of contents

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

(Mark One)

☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2022 or

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from________to________

Commission File NumberRegistrant, State of Incorporation or Organization, Address of Principal Executive Offices, Zip Code and Telephone NumberIRS Employer Identification No.
duk-20221231_g1.jpg
1-32853DUKE ENERGY CORPORATION20-2777218

(a Delaware corporation)

526 South Church Street

Charlotte, North Carolina 28202-1803

704-382-3853

1-4928DUKE ENERGY CAROLINAS, LLC56-0205520

(a North Carolina limited liability company)

526 South Church Street

Charlotte, North Carolina 28202-1803

704-382-3853

1-15929PROGRESS ENERGY, INC.56-2155481

(a North Carolina corporation)

410 South Wilmington Street

Raleigh, North Carolina 27601-1748

704-382-3853

1-3382DUKE ENERGY PROGRESS, LLC56-0165465

(a North Carolina limited liability company)

410 South Wilmington Street

Raleigh, North Carolina 27601-1748

704-382-3853

1-3274DUKE ENERGY FLORIDA, LLC59-0247770

(a Florida limited liability company)

299 First Avenue North

St. Petersburg, Florida 33701

704-382-3853

1-1232DUKE ENERGY OHIO, INC.31-0240030

(an Ohio corporation)

139 East Fourth Street

Cincinnati, Ohio 45202

704-382-3853

1-3543DUKE ENERGY INDIANA, LLC35-0594457

(an Indiana limited liability company)

1000 East Main Street

Plainfield, Indiana 46168

704-382-3853

1-6196PIEDMONT NATURAL GAS COMPANY, INC.56-0556998

(a North Carolina corporation)

4720 Piedmont Row Drive

Charlotte, North Carolina 28210

704-364-3120

SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

Name of each exchange on

Registrant Title of each class Trading symbols which registered

Duke Energy Corporation Common Stock, $0.001 par value DUK New York Stock Exchange LLC

(Duke Energy)

Duke Energy 5.625% Junior Subordinated Debentures due DUKB New York Stock Exchange LLC

September 15, 2078

Duke Energy Depositary Shares, each representing a 1/1,000th DUK PR A New York Stock Exchange LLC

interest in a share of 5.75% Series A Cumulative

Redeemable Perpetual Preferred Stock, par value

$0.001 per share

Duke Energy 3.10% Senior Notes due 2028 DUK 28A New York Stock Exchange LLC

Duke Energy 3.85% Senior Notes due 2034 DUK 34 New York Stock Exchange LLC

SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Duke EnergyYes☒No☐Duke Energy Florida, LLC (Duke Energy Florida)Yes☒No☐
Duke Energy Carolinas, LLC (Duke Energy Carolinas)Yes☒No☐Duke Energy Ohio, Inc. (Duke Energy Ohio)Yes☒No☐
Progress Energy, Inc. (Progress Energy)Yes☐No☒Duke Energy Indiana, LLC (Duke Energy Indiana)Yes☒No☐
Duke Energy Progress, LLC (Duke Energy Progress)Yes☒No☐Piedmont Natural Gas Company, Inc. (Piedmont)Yes☒No☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes ☐ No ☒ (Response applicable to all registrants.)

Indicate by check mark whether the registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrants have submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ¨

Indicate by check mark whether Duke Energy is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.:

Large Accelerated Filer ☒ Accelerated Filer ¨ Non-accelerated Filer ☐ Smaller Reporting Company ☐ Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether each of Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont is a large accelerated filer, accelerated filer, non-accelerated filer, smaller reporting company, or emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.:

Large Accelerated Filer ¨ Accelerated Filer ¨ Non-accelerated Filer ☒ Smaller Reporting Company ☐ Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ¨

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ¨

Indicate by check mark whether each of the registrants is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No x

Estimated aggregate market value of the common equity held by nonaffiliates of Duke Energy at June 30, 2022.$82,471,565
Number of shares of Common Stock, $0.001 par value, outstanding at January 31, 2023.770,080,285

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Duke Energy definitive proxy statement for the 2023 Annual Meeting of the Shareholders or an amendment to this Annual Report are incorporated by reference into PART III, Items 10, 11 and 13 hereof.

This combined Form 10-K is filed separately by eight registrants: Duke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont (collectively the Duke Energy Registrants). Information contained herein relating to any individual registrant is filed by such registrant solely on its own behalf. Each registrant makes no representation as to information relating exclusively to the other registrants.

Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont meet the conditions set forth in General Instructions I(1)(a) and (b) of Form 10-K and are, therefore, filing this Form 10-K with the reduced disclosure format specified in General Instructions I(2) of Form 10-K.

Auditor Firm ID: 34 Auditor Name: Deloitte & Touche LLP Auditor Location: Charlotte, NC

TABLE OF CONTENTS

TABLE OF CONTENTS

FORM 10-K FOR THE YEAR ENDED December 31, 2022

ItemPage
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION
GLOSSARY OF TERMS
PART I.
1.BUSINESS9
DUKE ENERGY9
GENERAL9
BUSINESS SEGMENTS9
HUMAN CAPITAL MANAGEMENT19
EXECUTIVE OFFICERS21
ENVIRONMENTAL MATTERS22
DUKE ENERGY CAROLINAS22
PROGRESS ENERGY22
DUKE ENERGY PROGRESS22
DUKE ENERGY FLORIDA23
DUKE ENERGY OHIO23
DUKE ENERGY INDIANA23
PIEDMONT23
1A.RISK FACTORS23
1B.UNRESOLVED STAFF COMMENTS32
2.PROPERTIES33
3.LEGAL PROCEEDINGS36
4.MINE SAFETY DISCLOSURES36
PART II.
5.MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES37
6.SELECTED FINANCIAL DATA37
7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS38
7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK67
8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA68
9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE224
9A.CONTROLS AND PROCEDURES224
PART III.
10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE226
11.EXECUTIVE COMPENSATION226
12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS226
13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE226
14.PRINCIPAL ACCOUNTING FEES AND SERVICES227
PART IV.
15.EXHIBITS AND FINANCIAL STATEMENT SCHEDULES228
EXHIBIT INDEXE-1
SIGNATURESE-2
FORWARD LOOKING STATEMENTS

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This document includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements are based on management’s beliefs and assumptions and can often be identified by terms and phrases that include “anticipate,” “believe,” “intend,” “estimate,” “expect,” “continue,” “should,” “could,” “may,” “plan,” “project,” “predict,” “will,” “potential,” “forecast,” “target,” “guidance,” “outlook” or other similar terminology. Various factors may cause actual results to be materially different than the suggested outcomes within forward-looking statements; accordingly, there is no assurance that such results will be realized. These factors include, but are not limited to:

◦The ability to implement our business strategy, including our carbon emission reduction goals;

◦State, federal and foreign legislative and regulatory initiatives, including costs of compliance with existing and future environmental requirements, including those related to climate change, as well as rulings that affect cost and investment recovery or have an impact on rate structures or market prices;

◦The extent and timing of costs and liabilities to comply with federal and state laws, regulations and legal requirements related to coal ash remediation, including amounts for required closure of certain ash impoundments, are uncertain and difficult to estimate;

◦The ability to recover eligible costs, including amounts associated with coal ash impoundment retirement obligations, asset retirement and construction costs related to carbon emissions reductions, and costs related to significant weather events, and to earn an adequate return on investment through rate case proceedings and the regulatory process;

◦The costs of decommissioning nuclear facilities could prove to be more extensive than amounts estimated and all costs may not be fully recoverable through the regulatory process;

◦The impact of extraordinary external events, such as the pandemic health event resulting from COVID-19, and their collateral consequences, including the disruption of global supply chains or the economic activity in our service territories;

◦Costs and effects of legal and administrative proceedings, settlements, investigations and claims;

◦Industrial, commercial and residential growth or decline in service territories or customer bases resulting from sustained downturns of the economy, reduced customer usage due to cost pressures from inflation or fuel costs, and the economic health of our service territories or variations in customer usage patterns, including energy efficiency efforts, natural gas building and appliance electrification, and use of alternative energy sources, such as self-generation and distributed generation technologies;

◦Federal and state regulations, laws and other efforts designed to promote and expand the use of energy efficiency measures, natural gas electrification, and distributed generation technologies, such as private solar and battery storage, in Duke Energy service territories could result in a reduced number of customers, excess generation resources as well as stranded costs;

◦Advancements in technology;

◦Additional competition in electric and natural gas markets and continued industry consolidation;

◦The influence of weather and other natural phenomena on operations, including the economic, operational and other effects of severe storms, hurricanes, droughts, earthquakes and tornadoes, including extreme weather associated with climate change;

◦Changing investor, customer and other stakeholder expectations and demands including heightened emphasis on environmental, social and governance concerns and costs related thereto;

◦The ability to successfully operate electric generating facilities and deliver electricity to customers including direct or indirect effects to the company resulting from an incident that affects the United States electric grid or generating resources;

◦Operational interruptions to our natural gas distribution and transmission activities;

◦The availability of adequate interstate pipeline transportation capacity and natural gas supply;

◦The impact on facilities and business from a terrorist or other attack, war, vandalism, cybersecurity threats, data security breaches, operational events, information technology failures or other catastrophic events, such as fires, explosions, pandemic health events or other similar occurrences;

◦The inherent risks associated with the operation of nuclear facilities, including environmental, health, safety, regulatory and financial risks, including the financial stability of third-party service providers;

◦The timing and extent of changes in commodity prices and interest rates and the ability to recover such costs through the regulatory process, where appropriate, and their impact on liquidity positions and the value of underlying assets;

◦The results of financing efforts, including the ability to obtain financing on favorable terms, which can be affected by various factors, including credit ratings, interest rate fluctuations, compliance with debt covenants and conditions, an individual utility’s generation mix, and general market and economic conditions;

◦Credit ratings of the Duke Energy Registrants may be different from what is expected;

◦Declines in the market prices of equity and fixed-income securities and resultant cash funding requirements for defined benefit pension plans, other post-retirement benefit plans and nuclear decommissioning trust funds;

FORWARD LOOKING STATEMENTS

◦Construction and development risks associated with the completion of the Duke Energy Registrants’ capital investment projects, including risks related to financing, timing and receipt of necessary regulatory approvals, obtaining and complying with terms of permits, meeting construction budgets and schedules and satisfying operating and environmental performance standards, as well as the ability to recover costs from customers in a timely manner, or at all;

◦Changes in rules for regional transmission organizations, including changes in rate designs and new and evolving capacity markets, and risks related to obligations created by the default of other participants;

◦The ability to control operation and maintenance costs;

◦The level of creditworthiness of counterparties to transactions;

◦The ability to obtain adequate insurance at acceptable costs;

◦Employee workforce factors, including the potential inability to attract and retain key personnel;

◦The ability of subsidiaries to pay dividends or distributions to Duke Energy Corporation holding company (the Parent);

◦The performance of projects undertaken by our nonregulated businesses and the success of efforts to invest in and develop new opportunities, as well as the successful sale of the Commercial Renewables Disposal Groups;

◦The effect of accounting and reporting pronouncements issued periodically by accounting standard-setting bodies and the SEC;

◦The impact of United States tax legislation to our financial condition, results of operations or cash flows and our credit ratings;

◦The impacts from potential impairments of goodwill or equity method investment carrying values;

◦Asset or business acquisitions and dispositions may not yield the anticipated benefits;

◦The actions of activist shareholders could disrupt our operations, impact our ability to execute on our business strategy, or cause fluctuations in the trading price of our common stock; and

Additional risks and uncertainties are identified and discussed in the Duke Energy Registrants' reports filed with the SEC and available at the SEC's website at sec.gov. In light of these risks, uncertainties and assumptions, the events described in the forward-looking statements might not occur or might occur to a different extent or at a different time than described. Forward-looking statements speak only as of the date they are made and the Duke Energy Registrants expressly disclaim an obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

GLOSSARY OF TERMS

Glossary of Terms

The following terms or acronyms used in this Form 10-K are defined below:

Term or AcronymDefinition
2017 SettlementSecond Revised and Restated Settlement Agreement in 2017 among Duke Energy Florida, the Florida Office of Public Counsel and other customer advocates, which replaces and supplants the 2013 Settlement
2021 SettlementSettlement Agreement in 2021 among Duke Energy Florida, the Florida Office of Public Counsel, the Florida Industrial Power Users Group, White Springs Agricultural Chemicals, Inc. d/b/a PSC Phosphate and NUCOR Steel Florida, Inc.
ACPAtlantic Coast Pipeline, LLC, a limited liability company owned by Dominion and Duke Energy
ACP pipelineThe approximately 600-mile canceled interstate natural gas pipeline
AFSAvailable for Sale
AFUDCAllowance for funds used during construction
AMIAdvanced Metering Infrastructure
AMTAlternative Minimum Tax
AOCIAccumulated Other Comprehensive Income (Loss)
AROAsset Retirement Obligation
Audit CommitteeAudit Committee of the Board of Directors
Belews CreekBelews Creek Steam Station
BisonBison Insurance Company Limited
Board of DirectorsDuke Energy Board of Directors
BrunswickBrunswick Nuclear Plant
CardinalCardinal Pipeline Company, LLC
CatawbaCatawba Nuclear Station
CCCombined Cycle
CCRCoal Combustion Residuals
CEP RiderDuke Energy Ohio's Capital Expenditure Program Rider
CinergyCinergy Corp. (collectively with its subsidiaries)
Citrus County CCCitrus County Combined Cycle Facility
CO2Carbon Dioxide
Coal Ash ActNorth Carolina Coal Ash Management Act of 2014
the companyDuke Energy Corporation and its subsidiaries
Commercial Renewables Disposal GroupsCommercial Renewables business segment, excluding the offshore wind contract for Carolina Long Bay, marketed as two separate disposal groups, the utility-scale solar and wind group and the distributed generation group
COVID-19Coronavirus Disease 2019
CPCNCertificate of Public Convenience and Necessity
CRCCinergy Receivables Company LLC
Crystal River Unit 3Crystal River Unit 3 Nuclear Plant
CTCombustion Turbine
DATCDuke-American Transmission Company, LLC
DECONA method of decommissioning in which structures, systems, and components that contain radioactive contamination are removed from a site and safely disposed at a commercially operated low-level waste disposal facility, or decontaminated to a level that permits the site to be released for unrestricted use shortly after it ceases operation
DEFRDuke Energy Florida Receivables, LLC
DeloitteDeloitte & Touche LLP, and the member firms of Deloitte Touche Tohmatsu and their respective affiliates
DEPRDuke Energy Progress Receivables, LLC
DERFDuke Energy Receivables Finance Company, LLC
GLOSSARY OF TERMS
DOEU.S. Department of Energy
DominionDominion Energy, Inc.
DthDekatherms
Duke EnergyDuke Energy Corporation (collectively with its subsidiaries)
Duke Energy CarolinasDuke Energy Carolinas, LLC
Duke Energy FloridaDuke Energy Florida, LLC
Duke Energy IndianaDuke Energy Indiana, LLC
Duke Energy KentuckyDuke Energy Kentucky, Inc.
Duke Energy OhioDuke Energy Ohio, Inc.
Duke Energy ProgressDuke Energy Progress, LLC
Duke Energy RegistrantsDuke Energy, Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont
East BendEast Bend Generating Station
EDITExcess deferred income tax
EEEnergy efficiency
EPAU.S. Environmental Protection Agency
EPSEarnings Per Share
ETREffective tax rate
EU&IElectric Utilities and Infrastructure
Exchange ActSecurities Exchange Act of 1934
FASBFinancial Accounting Standards Board
FERCFederal Energy Regulatory Commission
Form S-3Registration statement
FPSCFlorida Public Service Commission
FTRFinancial transmission rights
GAAPGenerally Accepted Accounting Principles in the United States
GAAP Reported EarningsNet Income Available to Duke Energy Corporation common stockholders
GAAP Reported EPSBasic EPS Available to Duke Energy Corporation common stockholders
GHGGreenhouse Gas
GICGIC Private Limited, Singapore's sovereign wealth fund and an experienced investor in U.S. infrastructure
GU&IGas Utilities and Infrastructure
GWhGigawatt-hour
Hardy StorageHardy Storage Company, LLC
HarrisShearon Harris Nuclear Plant
HB 951The Energy Solutions for North Carolina, or House Bill 951, passed in October 2021
IMPAIndiana Municipal Power Agency
IMRIntegrity Management Rider
IRPIntegrated Resource Plans
IRSInternal Revenue Service
ISOIndependent System Operator
ITCInvestment Tax Credit
IURCIndiana Utility Regulatory Commission
Investment TrustsGrantor trusts of Duke Energy Progress, Duke Energy Florida and Duke Energy Indiana
KO TransmissionKO Transmission Company
KPSCKentucky Public Service Commission
GLOSSARY OF TERMS
LLCLimited Liability Company
McGuireMcGuire Nuclear Station
MGPManufactured gas plant
MGP SettlementStipulation and Recommendation filed jointly by Duke Energy Ohio the staff of the PUCO, the Office of the Ohio Consumers' Counsel and the Ohio Energy Group on August 31, 2021
MISOMidcontinent Independent System Operator, Inc.
MTBEMethyl tertiary butyl ether
MWMegawatt
MWhMegawatt-hour
MYRPMultiyear rate plans
NCDEQNorth Carolina Department of Environmental Quality
NCUCNorth Carolina Utilities Commission
NDTFNuclear decommissioning trust funds
New Source ReviewClean Air Act program that requires industrial facilities to install modern pollution control equipment when they are built or when making a change that increases emissions significantly
NMCNational Methanol Company
NOLNet operating loss
NPNSNormal purchase/normal sale
NRCU.S. Nuclear Regulatory Commission
NYSENew York Stock Exchange
OconeeOconee Nuclear Station
OPEBOther Post-Retirement Benefit Obligations
OVECOhio Valley Electric Corporation
the ParentDuke Energy Corporation holding company
PBRPerformance-based regulation
PGAPurchased Gas Adjustments
PHMSAPipeline and Hazardous Materials Safety Administration
PiedmontPiedmont Natural Gas Company, Inc.
Pine NeedlePine Needle LNG Company, LLC
PioneerPioneer Transmission, LLC
PJMPJM Interconnection, LLC
PMPAPiedmont Municipal Power Agency
PISCCPost-in-service carrying costs
PPAPurchase Power Agreement
Progress EnergyProgress Energy, Inc.
PSCSCPublic Service Commission of South Carolina
PTCProduction Tax Credits
PUCOPublic Utilities Commission of Ohio
PURPAPublic Utility Regulatory Policies Act of 1978
QFQualifying Facility
RECRenewable Energy Certificate
Relative TSRTSR of Duke Energy stock relative to a predefined peer group
RobinsonRobinson Nuclear Plant
ROEReturn of equity
ROURight-of-use
RSURestricted Stock Unit
GLOSSARY OF TERMS
RTORegional Transmission Organization
Sabal TrailSabal Trail Transmission, LLC
SAFSTORA method of decommissioning in which a nuclear facility is placed and maintained in a condition that allows the facility to be safely stored and subsequently decontaminated to levels that permit release for unrestricted use
SECSecurities and Exchange Commission
S&PStandard & Poor’s Rating Services
State utility commissionsNCUC, PSCSC, FPSC, PUCO, IURC, KPSC and TPUC (Collectively)
State electric utility commissionsNCUC, PSCSC, FPSC, PUCO, IURC and KPSC (Collectively)
State gas utility commissionsNCUC, PSCSC, PUCO, TPUC and KPSC (Collectively)
Subsidiary RegistrantsDuke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont
SuttonL.V. Sutton Combined Cycle Plant
the Tax ActTax Cuts and Jobs Act
TPUCTennessee Public Utility Commission
TSRTotal shareholder return
U.S.United States
VIEVariable Interest Entity
W.S. Lee CCWilliam States Lee Combined Cycle Facility
WVPAWabash Valley Power Association, Inc.
BUSINESS

Item 1. BUSINESS

DUKE ENERGY

General

Duke Energy was incorporated on May 3, 2005, and is an energy company headquartered in Charlotte, North Carolina, subject to regulation by the FERC and other regulatory agencies listed below. Duke Energy operates in the U.S. primarily through its direct and indirect subsidiaries. Certain Duke Energy subsidiaries are also Subsidiary Registrants, including Duke Energy Carolinas, Progress Energy, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont. When discussing Duke Energy’s consolidated financial information, it necessarily includes the results of its separate Subsidiary Registrants, which along with Duke Energy, are collectively referred to as the Duke Energy Registrants.

The Duke Energy Registrants electronically file reports with the SEC, including Annual Reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, proxy statements and amendments to such reports.

The SEC maintains an internet site that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC at sec.gov. Additionally, information about the Duke Energy Registrants, including reports filed with the SEC, is available through Duke Energy’s website at duke-energy.com. Such reports are accessible at no charge and are made available as soon as reasonably practicable after such material is filed with or furnished to the SEC.

Business Segments

Duke Energy's segment structure includes two reportable business segments: Electric Utilities and Infrastructure (EU&I) and Gas Utilities and Infrastructure (GU&I). The remainder of Duke Energy’s operations is presented as Other. Commercial Renewables is reported as discontinued operations and is no longer a reportable segment beginning in the fourth quarter of 2022. See Note 2 for further details. Duke Energy's chief operating decision-maker routinely reviews financial information about each of these business segments in deciding how to allocate resources and evaluate the performance of the business. For additional information on each of these business segments, including financial and geographic information, see Note 3 to the Consolidated Financial Statements, “Business Segments.” The following sections describe the business and operations of each of Duke Energy’s business segments, as well as Other.

ELECTRIC UTILITIES AND INFRASTRUCTURE

EU&I conducts operations primarily through the regulated public utilities of Duke Energy Carolinas, Duke Energy Progress, Duke Energy Florida, Duke Energy Indiana and Duke Energy Ohio. EU&I provides retail electric service through the generation, transmission, distribution and sale of electricity to approximately 8.2 million customers within the Southeast and Midwest regions of the U.S. The service territory is approximately 92,000 square miles across six states with a total estimated population of 26 million. The operations include electricity sold wholesale to municipalities, electric cooperative utilities and other load-serving entities.

During 2021, Duke Energy executed an agreement providing for an investment by an affiliate of GIC in Duke Energy Indiana in exchange for a 19.9% minority interest issued by Duke Energy Indiana Holdco, LLC, the holding company for Duke Energy Indiana. The transaction was completed following two closings. Additionally, in November 2022, Duke Energy committed to a plan to sell the Commercial Renewables business segment, excluding the offshore wind contract for Carolina Long Bay, which was moved to EU&I. See Note 2 to the Consolidated Financial Statements, “Dispositions," for additional information.

EU&I is also a joint owner in certain electric transmission projects. EU&I has a 50% ownership interest in DATC, a partnership with American Transmission Company, formed to design, build and operate transmission infrastructure. DATC owns 72% of the transmission service rights to Path 15, an 84-mile transmission line in central California. EU&I also has a 50% ownership interest in Pioneer, which builds, owns and operates electric transmission facilities in North America. The following map shows the service territory for EU&I as of December 31, 2022.

BUSINESS

duk-20221231_g2.jpg

The electric operations and investments in projects are subject to the rules and regulations of the FERC, the NRC, the NCUC, the PSCSC, the FPSC, the IURC, the PUCO and the KPSC.

The following table represents the distribution of GWh billed sales by customer class for the year ended December 31, 2022.

DukeDukeDukeDukeDuke
EnergyEnergyEnergyEnergyEnergy
CarolinasProgressFloridaOhioIndiana
Residential33%26%47%38%30%
General service33%22%34%38%27%
Industrial23%16%8%22%28%
Total retail sales89%64%89%98%85%
Wholesale and other sales11%36%11%2%15%
Total sales100%100%100%100%100%

The number of residential and general service customers within the EU&I service territory is expected to increase over time. Sales growth is expected within the service territory but continues to be impacted by adoption of energy efficiencies and self-generation. Migration into EU&I’s service territories and continued remote work contributed to higher residential sales volumes in 2022 while higher data center usage contributed to growth in commercial sales volumes. This was partially offset by lower industrial sales volumes impacted by certain automotive customers experiencing supply chain constraints along with reduced volumes in the steel sector. The impact on customer's usage from these factors and other potential economic dynamics continues to be monitored. Over the longer time frame, it is still expected that the continued adoption of more efficient housing and appliances will have a negative impact on average usage per residential customer over time.

Seasonality and the Impact of Weather

Revenues and costs are influenced by seasonal weather patterns. Peak sales of electricity occur during the summer and winter months, which results in higher revenue and cash flows during these periods. By contrast, lower sales of electricity occur during the spring and fall, allowing for scheduled plant maintenance. Residential and general service customers are more impacted by weather than industrial customers. Estimated weather impacts are based on actual current period weather compared to normal weather conditions. Normal weath

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Item 1A. RISK FACTORS

In addition to other disclosures within this Form 10-K, including "Management's Discussion and Analysis of Financial Condition and Results of Operations – Matters Impacting Future Results" for each registrant in Item 7, and other documents filed with the SEC from time to time, the following factors should be considered in evaluating Duke Energy and its subsidiaries. Such factors could affect actual results of operations and cause results to differ substantially from those currently expected or sought. Unless otherwise indicated, risk factors discussed below generally relate to risks associated with all of the Duke Energy Registrants. Risks identified at the Subsidiary Registrant level are generally applicable to Duke Energy.

RISK FACTORS

BUSINESS STRATEGY RISKS

Duke Energy’s future results could be adversely affected if it is unable to implement its business strategy including achieving its carbon emissions reduction goals.

Duke Energy’s results of operations depend, in significant part, on the extent to which it can implement its business strategy successfully. Duke Energy's clean energy transition, which includes achieving net-zero carbon emissions from electricity generation by 2050, modernizing the regulatory construct, transforming the customer experience, and digital transformation, is subject to business, policy, regulatory, technology, economic and competitive uncertainties and contingencies, many of which are beyond its control and may make those goals difficult to achieve.

Federal or state policies could be enacted that restrict the availability of fuels or generation technologies, such as natural gas or nuclear power, that enable Duke Energy to reduce its carbon emissions. Supportive policies may be needed to facilitate the siting and cost recovery of transmission and distribution upgrades needed to accommodate the build out of large volumes of renewables and energy storage. Further, the approval of our state regulators will be necessary for the company to continue to retire existing carbon emitting assets or make investments in new generating capacity. The company may be constrained by the ability to procure resources or labor needed to build new generation at a reasonable price as well as to construct projects on time. In addition, new technologies that are not yet commercially available or are unproven at utility scale will likely be needed including new resources capable of following electric load over long durations such as advanced nuclear, hydrogen and long-duration storage, If these technologies are not developed or are not available at reasonable prices, or if we invest in early stage technologies that are then supplanted by technological breakthroughs, Duke Energy’s ability to achieve a net-zero target by 2050 at a cost-effective price could be at risk.

Achieving our carbon reduction goals will require continued operation of our existing carbon-free technologies including nuclear and renewables. The rapid transition to and expansion of certain low-carbon resources, such as renewables without cost-effective storage, may challenge our ability to meet customer expectations of reliability in a carbon constrained environment. Our nuclear fleet is central to our ability to meet these objectives and customer expectations. We are continuing to seek to renew the operating licenses of the 11 reactors we operate at six nuclear stations for an additional 20 years, extending their operating lives to and beyond midcentury. Failure to receive approval from the NRC for the relicensing of any of these reactors could affect our ability to achieve a net-zero target by 2050.

As a consequence, Duke Energy may not be able to fully implement or realize the anticipated results of its energy transition strategy, which may have an adverse effect on its financial condition.

REGULATORY, LEGISLATIVE AND LEGAL RISKS

The Duke Energy Registrants’ regulated utility revenues, earnings and results of operations are dependent on state legislation and regulation that affect electric generation, electric and natural gas transmission, distribution and related activities, which may limit their ability to recover costs.

The Duke Energy Registrants’ regulated electric and natural gas utility businesses are regulated on a cost-of-service/rate-of-return basis subject to statutes and regulatory commission rules and procedures of North Carolina, South Carolina, Florida, Ohio, Tennessee, Indiana and Kentucky. If the Duke Energy Registrants’ regulated utility earnings exceed the returns established by the state utility commissions, retail electric and natural gas rates may be subject to review and possible reduction by the commissions, which may decrease the Duke Energy Registrants’ earnings. Additionally, if regulatory or legislative bodies do not allow recovery of costs incurred in providing service, or do not do so on a timely basis, the Duke Energy Registrants’ earnings could be negatively impacted. Differences in regulation between jurisdictions with concurrent operations, such as North Carolina and South Carolina in Duke Energy Carolinas' and Duke Energy Progress' service territory, may also result in failure to recover costs.

If legislative and regulatory structures were to evolve in such a way that the Duke Energy Registrants’ exclusive rights to serve their regulated customers were eroded, their earnings could be negatively impacted. Federal and state regulations, laws, commercialization and reduction of costs and other efforts designed to promote and expand the use of EE measures and distributed generation technologies, such as private solar and battery storage, in Duke Energy service territories could reduce recovery of fixed costs in Duke Energy service territories or result in customers leaving the electric distribution system and an increase in customer net energy metering, which allows customers with private solar to receive bill credits for surplus power at the full retail amount. Over time, customer adoption of these technologies could result in Duke Energy not being able to fully recover the costs and investment in generation.

State regulators have approved various mechanisms to stabilize natural gas utility margins, including margin decoupling in North Carolina and rate stabilization in South Carolina. State regulators have approved other margin stabilizing mechanisms that, for example, allow for recovery of margin losses associated with negotiated transactions designed to retain large volume customers that could use alternative fuels or that may otherwise directly access natural gas supply through their own connection to an interstate pipeline. If regulators decided to discontinue the Duke Energy Registrants' use of tariff mechanisms, it would negatively impact results of operations, financial position and cash flows. In addition, regulatory authorities also review whether natural gas costs are prudently incurred and can disallow the recovery of a portion of natural gas costs that the Duke Energy Registrants seek to recover from customers, which would adversely impact earnings.

The rates that the Duke Energy Registrants’ regulated utility businesses are allowed to charge are established by state utility commissions in rate case proceedings, which may limit their ability to recover costs and earn an appropriate return on investment.

The rates that the Duke Energy Registrants’ regulated utility businesses are allowed to charge significantly influences the results of operations, financial position and cash flows of the Duke Energy Registrants. The regulation of the rates that the regulated utility businesses charge customers is determined, in large part, by state utility commissions in rate case proceedings. Negative decisions made by these regulators, or by any court on appeal of a rate case proceeding, have, and in the future could have, a mat

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Item 1B. UNRESOLVED STAFF COMMENTS

None.

PROPERTIES

Item 2. PROPERTIES

ELECTRIC UTILITIES AND INFRASTRUCTURE

The following table provides information related to the EU&I's generation stations as of December 31, 2022. The MW displayed in the table below are based on summer capacity. Ownership interest in all facilities is 100% unless otherwise indicated.

Owned MW
FacilityPlant TypePrimary FuelLocationCapacity
Duke Energy Carolinas
OconeeNuclearUraniumSC2,554
McGuireNuclearUraniumNC2,316
Catawba(a)NuclearUraniumSC445
Belews CreekFossilCoal/GasNC2,220
MarshallFossilCoal/GasNC2,058
J.E. RogersFossilCoal/GasNC1,388
Lincoln Combustion Turbine (CT)FossilGas/OilNC1,161
AllenFossilCoalNC421
Rockingham CTFossilGas/OilNC825
W.S. Lee Combined Cycle (CC)(b)FossilGasSC686
Buck CCFossilGasNC668
Dan River CCFossilGasNC662
Mill Creek CTFossilGas/OilSC563
W.S. Lee CTFossilGas/OilSC84
Clemson CHPFossilGasSC13
Bad CreekHydroWaterSC1,520
JocasseeHydroWaterSC780
Cowans FordHydroWaterNC324
KeoweeHydroWaterSC152
Other small facilities (19 plants)HydroWaterNC/SC581
Distributed generationRenewableSolarNC71
Total Duke Energy Carolinas19,492
Owned MW
FacilityPlant TypePrimary FuelLocationCapacity
Duke Energy Progress
BrunswickNuclearUraniumNC1,870
HarrisNuclearUraniumNC964
RobinsonNuclearUraniumSC759
RoxboroFossilCoalNC2,439
Smith CCFossilGas/OilNC1,083
H.F. Lee CCFossilGas/OilNC888
Wayne County CTFossilGas/OilNC822
Smith CTFossilGas/OilNC772
MayoFossilCoalNC704
L.V. Sutton CCFossilGas/OilNC607
Asheville CCFossilGas/OilNC476
Asheville CTFossilGas/OilNC320
Darlington CTFossilGas/OilSC234
Weatherspoon CTFossilGas/OilNC124
L.V. Sutton CTFossilGas/OilNC84
Blewett CTFossilOilNC52
WaltersHydroWaterNC112
Other small facilities (3)HydroWaterNC116
Distributed generationRenewableSolarNC35
Asheville – Rock Hill BatteryRenewableStorageNC2
Hot Springs MicrogridRenewableStorageNC1
Total Duke Energy Progress12,464
PROPERTIES
Owned MW
FacilityPlant TypePrimary FuelLocationCapacity
Duke Energy Florida
Hines CCFossilGas/OilFL2,061
Citrus County CCFossilGasFL1,610
Crystal RiverFossilCoalFL1,410
Bartow CCFossilGas/OilFL1,112
AncloteFossilGasFL1,013
Intercession City CTFossilGas/OilFL940
Osprey CCFossilGas/OilFL576
DeBary CTFossilGas/OilFL524
Tiger Bay CCFossilGas/OilFL199
Bayboro CTFossilOilFL171
Bartow CTFossilGas/OilFL168
Suwannee River CTFossilGasFL145
University of Florida CoGen CTFossilGasFL44
Distributed generationRenewableSolarFL485
Trenton BatteryRenewableStorageFL11
Micanopy Energy StorageRenewableStorageFL8
Jennings BatteryRenewableStorageFL5.5
Cape San Blas BatteryRenewableStorageFL5.5
Total Duke Energy Florida10,488
Owned MW
FacilityPlant TypePrimary FuelLocationCapacity
Duke Energy Ohio
East BendFossilCoalKY600
Woodsdale CTFossilGas/PropaneOH476
Beckjord Battery StorageRenewableStorageOH4
Total Duke Energy Ohio1,080
Owned MW
FacilityPlant TypePrimary FuelLocationCapacity
Duke Energy Indiana
Gibson(c)FossilCoalIN2,822
Cayuga(d)FossilCoal/OilIN1,005
EdwardsportFossilCoalIN595
Madison CTFossilGasOH566
Wheatland CTFossilGasIN444
Vermillion CT(e)FossilGasIN360
Noblesville CCFossilGas/OilIN264
Henry County CTFossilGas/OilIN126
Cayuga CTFossilGas/OilIN84
Purdue CHPFossilGasIN12
MarklandHydroWaterIN54
Distributed generationRenewableSolarIN11
Camp Atterbury BatteryRenewableStorageIN1
Nabb BatteryRenewableStorageIN1
Crane BatteryRenewableStorageIN1
Total Duke Energy Indiana6,346
PROPERTIES
Owned MW
Totals by TypeCapacity
Total Electric Utilities49,870
Totals by Plant Type
Nuclear8,908
Fossil36,681
Hydro3,639
Renewable642
Total Electric Utilities49,870

(a)Jointly owned with North Carolina Municipal Power Agency Number 1, NCEMC and PMPA. Duke Energy Carolinas' ownership is 19.25% of the facility.

(b)Jointly owned with NCEMC. Duke Energy Carolinas' ownership is 87.27% of the facility.

(c)Duke Energy Indiana owns and operates Gibson Station Units 1 through 4 and is a joint owner of unit 5 with WVPA and IMPA. Duke Energy Indiana operates unit 5 and owns 50.05%.

(d)Includes Cayuga Internal Combustion.

(e)Jointly owned with WVPA. Duke Energy Indiana's ownership is 62.5% of the facility.

The following table provides information related to EU&I's electric transmission and distribution properties as of December 31, 2022.

DukeDukeDukeDukeDuke
DukeEnergyEnergyEnergyEnergyEnergy
EnergyCarolinasProgressFloridaOhioIndiana
Electric Transmission Lines
Miles of 500 to 525 kilovolt (kV)1,100600300200——
Miles of 345 kV1,100———400700
Miles of 230 kV8,5002,7003,4001,700—700
Miles of 100 to 161 kV12,5006,8002,6001,0007001,400
Miles of 13 to 69 kV8,3002,900—2,2007002,500
Total conductor miles of electric transmission lines31,50013,0006,3005,1001,8005,300
Electric Distribution Lines
Miles of overhead lines173,60066,60046,30025,30013,30022,100
Miles of underground line116,10041,90035,20022,7006,5009,800
Total conductor miles of electric distribution lines289,700108,50081,50048,00019,80031,900
Number of electric transmission and distribution substations3,0001,200500500300500

Substantially all of EU&I's electric plant in service is mortgaged under indentures relating to Duke Energy Carolinas’, Duke Energy Progress', Duke Energy Florida's, Duke Energy Ohio’s and Duke Energy Indiana’s various series of First Mortgage Bonds.

GAS UTILITIES AND INFRASTRUCTURE

GU&I owns transmission pipelines and distribution mains that are generally underground, located near public streets and highways, or on property owned by others for which Duke Energy Ohio and Piedmont have obtained the necessary legal rights to place and operate facilities on such property located within the GU&I service territories. The following table provides information related to GU&I's natural gas distribution.

Duke
DukeEnergy
EnergyOhioPiedmont
Miles of natural gas distribution and transmission pipelines35,2007,60027,600
Miles of natural gas service lines28,3006,60021,700

OTHER

Duke Energy owns approximately 7.1 million square feet and leases approximately 2.7 million square feet of corporate, regional and district office space spread throughout its service territories. See Note 11, "Property, Plant and Equipment," for further information.

LEGAL PROCEEDINGS AND MINE SAFETY DISCLOSURES

Item 3. LEGAL PROCEEDINGS

MTBE Litigation

On December 15, 2017, the state of Maryland filed suit in Baltimore City Circuit Court against Duke Energy Merchants and other defendants alleging contamination of state waters by MTBE leaking from gasoline storage tanks and is seeking an unspecified amount of monetary damages. MTBE is a gasoline additive intended to increase the oxygen levels in gasoline and make it burn cleaner. The case was removed from Baltimore City Circuit Court to federal District Court. Initial motions to dismiss filed by the defendants were denied by the court on September 4, 2019, and the matter is now in discovery. On December 18, 2020, the plaintiff and defendants selected 50 focus sites, none of which have any ties to Duke Energy Merchants. Discovery will be specific to those sites. At this time, Duke Energy Merchants has not engaged in settlement negotiations with the plaintiff and the plaintiff has not reached a settlement agreement with any defendant. Duke Energy cannot predict the outcome of this matter.

In addition, the Duke Energy Registrants are, from time to time, parties to various lawsuits and regulatory proceedings in the ordinary course of their business. For information regarding legal proceedings, including regulatory and environmental matters, see Note 4, “Regulatory Matters,” and Note 5, “Commitments and Contingencies,” to the Consolidated Financial Statements.

Item 4. MINE SAFETY DISCLOSURES

This is not applicable for any of the Duke Energy Registrants.

SECURITIES INFORMATION

Item 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

The common stock of Duke Energy is listed and traded on the NYSE (ticker symbol DUK). As of January 31, 2023, there were 127,329 Duke Energy common stockholders of record. For information on dividends, see the "Dividend Payments" section of Management's Discussion and Analysis.

There is no market for the common equity securities of the Subsidiary Registrants, all of which are directly or indirectly owned by Duke Energy. See Note 2, "Dispositions," to the Consolidated Financial Statements for information on the investment of a minority interest in Duke Energy Indiana.

Securities Authorized for Issuance Under Equity Compensation Plans

See Item 12 of Part III within this Annual Report for information regarding Securities Authorized for Issuance Under Equity Compensation Plans.

Issuer Purchases of Equity Securities for Fourth Quarter 2022

There were no repurchases of equity securities during the fourth quarter of 2022.

Unregistered Sales of Equity Securities and Use of Proceeds

None.

Stock Performance Graph

The following performance graph compares the cumulative TSR from Duke Energy Corporation common stock, as compared with the Standard & Poor's 500 Stock Index (S&P 500) and the Philadelphia Utility Index for the past five years. The graph assumes an initial investment of $100 on December 31, 2017, in Duke Energy common stock, in the S&P 500 and in the Philadelphia Utility Index and that all dividends were reinvested. The stockholder return shown below for the five-year historical period may not be indicative of future performance.

duk-20221231_g4.jpg

NYSE CEO Certification

Duke Energy has filed the certification of its Chief Executive Officer and Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 as exhibits to this Annual Report.

Item 6. SELECTED FINANCIAL DATA

This is not applicable for any of the Duke Energy Registrants.

MD&ADUKE ENERGY

Item 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Management’s Discussion and Analysis includes financial information prepared in accordance with GAAP in the U.S., as well as certain non-GAAP financial measures such as adjusted earnings and adjusted EPS discussed below. Generally, a non-GAAP financial measure is a numerical measure of financial performance, financial position or cash flows that excludes (or includes) amounts that are included in (or excluded from) the most directly comparable measure calculated and presented in accordance with GAAP. The non-GAAP financial measures should be viewed as a supplement to, and not a substitute for, financial measures presented in accordance with GAAP. Non-GAAP measures as presented herein may not be comparable to similarly titled measures used by other companies.

The following combined Management’s Discussion and Analysis of Financial Condition and Results of Operations is separately filed by Duke Energy Corporation and its subsidiaries. Duke Energy Carolinas, LLC, Progress Energy, Inc., Duke Energy Progress, LLC, Duke Energy Florida, LLC, Duke Energy Ohio, Inc., Duke Energy Indiana, LLC and Piedmont Natural Gas Company, Inc. However, none of the registrants make any representation as to information related solely to Duke Energy or the subsidiary registrants of Duke Energy other than itself.

Management’s Discussion and Analysis should be read in conjunction with the Consolidated Financial Statements and Notes for the years ended December 31, 2022, 2021 and 2020.

See "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations," in Duke Energy's Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 24, 2022, for a discussion of variance drivers for the year ended December 31, 2021, as compared to December 31, 2020.

DUKE ENERGY

Duke Energy is an energy company headquartered in Charlotte, North Carolina. Duke Energy operates in the U.S. primarily through its direct and indirect subsidiaries, Duke Energy Carolinas, Duke Energy Progress, Duke Energy Florida, Duke Energy Ohio, Duke Energy Indiana and Piedmont. When discussing Duke Energy’s consolidated financial information, it necessarily includes the results of the Subsidiary Registrants, which along with Duke Energy, are collectively referred to as the Duke Energy Registrants.

Executive Overview

At Duke Energy, we remain focused on continuing to advance our clean energy transition while maintaining affordability and reliability for our customers and delivering on our commitments to our communities, employees, investors, and other stakeholders. The fundamentals of our business are strong and allow us to deliver growth in earnings and dividends in a low-risk, predictable and transparent way. In 2022, we continued to make progress, navigating rising interest rates, volatile commodity prices and other macroeconomic headwinds while meeting our near-term financial commitments, executing on our strategic priorities, responding to severe weather and external events, and continuing to provide the safe and reliable service that our communities depend on.

In 2022, we announced the sale of our commercial renewables business, filed the Carbon Plan with the NCUC, and continued to engage with the communities in our jurisdictions. We also continue to make the investments necessary to support our ongoing clean energy transition and a business portfolio that delivers a reliable and growing dividend, with 2022 representing the 96th consecutive year Duke Energy paid a cash dividend on its common stock.

Financial Results

duk-20221231_g5.jpgduk-20221231_g6.jpg

(a)See Results of Operations below for Duke Energy’s definition of adjusted earnings and adjusted EPS as well as a reconciliation of this non-GAAP financial measure to net income available to Duke Energy and net income available to Duke Energy per basic share.

MD&ADUKE ENERGY

On February 9, 2023, Duke Energy announced 2022 full year reported earnings of $2,563 million, or $3.33 per share and adjusted earnings of $4,060 million, or $5.27 per share. On February 21, 2023, Duke Energy Indiana received an opinion from the Indiana Court of Appeals disallowing recovery of certain coal ash costs. As a result of this opinion, Duke Energy Indiana recognized a pretax charge of approximately $175 million to Impairment of assets and other charges for the year ended December 31, 2022. The 2022 full year reported earnings changed to $2,444 million, or $3.17 per share. There was no change to adjusted earnings or adjusted earnings per share.

Duke Energy's 2022 Net Income Available to Duke Energy Corporation (GAAP Reported Earnings) was impacted primarily by the estimated impairment on the sale of the Commercial Renewables business in the current year. See “Results of Operations” below for a detailed discussion of the consolidated results of operations and a detailed discussion of financial results for each of Duke Energy’s reportable business segments, as well as Other.

2022 Areas of Focus and Accomplishments

Clean Energy Transition. Our industry continues to experience an unprecedented level of change and 2022 was a dynamic year for our company as we navigated macroeconomic headwinds and continued to execute on our strategic priorities and deliver on our vision.

Generating Cleaner Energy

We’re targeting energy generated from coal to represent less than 5% by 2030 and a full exit by 2035, subject to regulatory approvals. We’ve made strong progress to date in reducing carbon emissions from electricity generation (a 44% reduction from 2005) and have committed to do more (at least 50% reduction by 2030 and net-zero by 2050). In October 2022, we announced an additional interim target to reduce carbon emissions from electric generation by 80% by 2040. We also adopted a goal of reducing Scope 2 and certain Scope 3 emissions, including emissions from upstream purchased power and fossil fuel purchases, as well as downstream customer use of natural gas, by 50% by 2035, on the way to net-zero by 2050.

Duke Energy is one of the first utilities to address the totality of its impact – approximately 95% of the company's greenhouse gas emissions are now tied to a measurable net-zero goal. Over the next decade, we expect to deploy over $145 billion of capital into our regulated businesses, driven by clean energy transition investments. These investments will drive substantial economic benefits for the communities we serve and reduce our customer’s exposure to fuel volatility. We’ve filed and refined comprehensive IRPs consistent with this strategy in multiple jurisdictions, allowing us to accelerate coal plant retirements, make needed grid investments to enable renewables and energy storage, and increase resiliency. To partially fund this plan, in December 2022, we closed on the second and final tranche of the approximate $2 billion investment in Duke Energy Indiana by GIC.

In 2022, we were awarded one of two North Carolina offshore wind sites held by the Bureau of Ocean Energy Management. The approximately 55,000-acre site in the Atlantic Ocean east of Wilmington could support up to 1.6 gigawatts of potential offshore wind energy, enough to power nearly 375,000 homes. Securing this contract creates optionality for future offshore wind if the NCUC determines it's part of the least cost path to achieve North Carolina's interim and long-term carbon reduction goals.

As we look beyond 2030, we will need additional tools to continue our progress. We will actively work to advocate for research and development and deployment of carbon-free, dispatchable resources. This includes longer-duration energy storage, advanced nuclear techno

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Item 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

See “Management’s Discussion and Analysis of Results of Operations and Financial Condition – Quantitative and Qualitative Disclosures About Market Risk.”

FINANCIAL STATEMENTS

Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Duke Energy
Report of Independent Registered Public Accounting Firm70
Consolidated Statements of Operations73
Consolidated Statements of Comprehensive Income74
Consolidated Balance Sheets75
Consolidated Statements of Cash Flows76
Consolidated Statements of Changes in Equity77
Duke Energy Carolinas
Report of Independent Registered Public Accounting Firm78
Consolidated Statements of Operations and Comprehensive Income80
Consolidated Balance Sheets81
Consolidated Statements of Cash Flows82
Consolidated Statements of Changes in Equity83
Progress Energy
Report of Independent Registered Public Accounting Firm84
Consolidated Statements of Operations and Comprehensive Income86
Consolidated Balance Sheets87
Consolidated Statements of Cash Flows88
Consolidated Statements of Changes in Equity89
Duke Energy Progress
Report of Independent Registered Public Accounting Firm90
Consolidated Statements of Operations and Comprehensive Income92
Consolidated Balance Sheets93
Consolidated Statements of Cash Flows94
Consolidated Statements of Changes in Equity95
Duke Energy Florida
Report of Independent Registered Public Accounting Firm96
Consolidated Statements of Operations and Comprehensive Income98
Consolidated Balance Sheets99
Consolidated Statements of Cash Flows100
Consolidated Statements of Changes in Equity101
Duke Energy Ohio
Report of Independent Registered Public Accounting Firm102
Consolidated Statements of Operations and Comprehensive Income104
Consolidated Balance Sheets105
Consolidated Statements of Cash Flows106
Consolidated Statements of Changes in Equity107
Duke Energy Indiana
Report of Independent Registered Public Accounting Firm108
Consolidated Statements of Operations and Comprehensive Income110
Consolidated Balance Sheets111
Consolidated Statements of Cash Flows112
Consolidated Statements of Changes in Equity113
Piedmont
Report of Independent Registered Public Accounting Firm114
Consolidated Statements of Operations and Comprehensive Income116
Consolidated Balance Sheets117
Consolidated Statements of Cash Flows118
Consolidated Statements of Changes in Equity119
FINANCIAL STATEMENTS
Combined Notes to Consolidated Financial Statements
Note 1 – Summary of Significant Accounting Policies120
Note 2 – Dispositions128
Note 3 – Business Segments130
Note 4 – Regulatory Matters134
Note 5 – Commitments and Contingencies151
Note 6 – Leases156
Note 7 – Debt and Credit Facilities160
Note 8 – Guarantees and Indemnifications166
Note 9 – Joint Ownership of Generating and Transmission Facilities166
Note 10 – Asset Retirement Obligations167
Note 11 – Property, Plant and Equipment170
Note 12 – Goodwill and Intangible Assets172
Note 13 – Investments in Unconsolidated Affiliates173
Note 14 – Related Party Transactions174
Note 15 – Derivatives and Hedging175
Note 16 – Investments in Debt and Equity Securities181
Note 17 – Fair Value Measurements185
Note 18 – Variable Interest Entities190
Note 19 – Revenue193
Note 20 – Stockholders' Equity198
Note 21 – Severance200
Note 22 – Stock-Based Compensation201
Note 23 – Employee Benefit Plans203
Note 24 – Income Taxes216
Note 25 – Other Income and Expenses, Net222
Note 26 – Subsequent Events223
Note 27 – Quarterly Financial Data (Unaudited)223

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Item 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

Item 9A. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

Disclosure controls and procedures are controls and other procedures that are designed to ensure that information required to be disclosed by the Duke Energy Registrants in the reports they file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified by the SEC rules and forms.

Disclosure controls and procedures include, without limitation, controls and procedures designed to provide reasonable assurance that information required to be disclosed by the Duke Energy Registrants in the reports they file or submit under the Exchange Act is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Under the supervision and with the participation of management, including the Chief Executive Officer and Chief Financial Officer, the Duke Energy Registrants have evaluated the effectiveness of their disclosure controls and procedures (as such term is defined in Rule 13a-15(e) and 15d-15(e) under the Exchange Act) as of December 31, 2022, and, based upon this evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that these controls and procedures are effective in providing reasonable assurance of compliance.

Changes in Internal Control Over Financial Reporting

Under the supervision and with the participation of management, including the Chief Executive Officer and Chief Financial Officer, the Duke Energy Registrants have evaluated changes in internal control over financial reporting (as such term is defined in Rules 13a-15 and 15d-15 under the Exchange Act) that occurred during the fiscal quarter ended December 31, 2022, and have concluded no change has materially affected, or is reasonably likely to materially affect, internal controls over financial reporting.

Management’s Annual Report on Internal Control Over Financial Reporting

The Duke Energy Registrants’ management is responsible for establishing and maintaining an adequate system of internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f). The Duke Energy Registrants’ internal control system was designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes, in accordance with GAAP. Due to inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness of the internal control over financial reporting to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with policies and procedures may deteriorate.

The Duke Energy Registrants’ management, including their Chief Executive Officer and Chief Financial Officer, has conducted an evaluation of the effectiveness of their internal control over financial reporting as of December 31, 2022, based on the framework in the Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on that evaluation, management concluded that its internal controls over financial reporting were effective as of December 31, 2022.

Deloitte & Touche LLP, Duke Energy’s independent registered public accounting firm, has issued an attestation report on the effectiveness of Duke Energy’s internal control over financial reporting, which is included herein. This report is not applicable to the Subsidiary Registrants as these companies are not accelerated or large accelerated filers.

REPORTS

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the shareholders and the Board of Directors of Duke Energy Corporation

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of Duke Energy Corporation and subsidiaries (the “Company”) as of December 31, 2022, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2022, based on criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2022, of the Company and our report dated February 27, 2023, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management's Annual Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ Deloitte and Touche LLP

Charlotte, North Carolina

February 27, 2023

OTHER INFORMATION

Item 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Information regarding Duke Energy's Executive Officers is set forth in Part I, Item 1, "Business – Information about Our Executive Officers," in this Annual Report. Duke Energy will provide information that is responsive to the remainder of this Item 10 in its definitive proxy statement or in an amendment to this Annual Report not later than 120 days after the end of the fiscal year covered by this Annual Report. That information is incorporated in this Item 10 by reference.

Item 11. EXECUTIVE COMPENSATION

Duke Energy will provide information that is responsive to this Item 11 in its definitive proxy statement or in an amendment to this Annual Report not later than 120 days after the end of the fiscal year covered by this Annual Report. That information is incorporated in this Item 11 by reference.

Item 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Equity Compensation Plan Information

The following table shows information as of December 31, 2022, about securities to be issued upon exercise of outstanding options, warrants and rights under Duke Energy's equity compensation plans, along with the weighted average exercise price of the outstanding options, warrants and rights and the number of securities remaining available for future issuance under the plans.

Plan CategoryNumber of securities to be issued upon exercise of outstanding options, warrants and rights (a)Weighted average exercise price of outstanding options, warrants and rights (b)****(1)Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (c)
Equity compensation plans approved by security holders3,385,638(2)n/a2,410,473(3)
Equity compensation plans not approved by security holders109,690(4)n/an/a(5)
Total3,495,328n/a2,410,473

(1) As of December 31, 2022, no options were outstanding under equity compensation plans.

(2) Includes RSUs and performance shares (assuming the maximum payout level) granted under the Duke Energy Corporation 2015 Long-Term Incentive Plan, as well as shares that could be payable with respect to certain compensation deferred under the Duke Energy Corporation Executive Savings Plan (Executive Savings Plan) or the Directors’ Savings Plan.

(3) Includes shares remaining available for issuance pursuant to stock awards under the Duke Energy Corporation 2015 Long-Term Incentive Plan.

(4) Includes shares that could be payable with respect to certain compensation deferred under the Executive Savings Plan or the Duke Energy Corporation Directors' Savings Plan (Directors' Savings Plan), each of which is a non-qualified deferred compensation plan described in more detail below.

(5) The number of shares remaining available for future issuance under equity compensation plans not approved by security holders cannot be determined because it is based on the amount of future voluntary deferrals, if any, under the Executive Savings Plan and the Directors' Savings Plan.

Under the Executive Savings Plan, participants can elect to defer a portion of their base salary and short‑term incentive compensation. Participants also receive a company matching contribution in excess of the contribution limits prescribed by the Internal Revenue Code under the Duke Energy Retirement Savings Plan, which is the 401(k) plan in which employees are generally eligible to participate. Eligible participants may also earn pay credits based on age and length of service on eligible earnings that exceed limits prescribed by the Internal Revenue Code.

In general, payments are made following termination of employment or death in the form of a lump sum or installments, as selected by the participant. Participants may direct the deemed investment of their accounts (with certain exceptions) among investment options available under the Duke Energy Retirement Savings Plan, including the Duke Energy Common Stock Fund. Participants may change their investment elections on a daily basis. Deferrals of equity awards are credited with earnings and losses based on the performance of the Duke Energy Common Stock Fund. The benefits payable under the plan are unfunded and subject to the claims of Duke Energy’s creditors.

Under the Directors’ Savings Plan, outside directors may elect to defer all or a portion of their annual compensation, generally consisting of retainers. Deferred amounts are credited to an unfunded account, the balance of which is adjusted for the performance of phantom investment options, including the Duke Energy Common Stock Fund, as elected by the director, and generally are paid when the director terminates his or her service from the Board of Directors.

Duke Energy will provide additional information that is responsive to this Item 12 in its definitive proxy statement or in an amendment to this Annual Report not later than 120 days after the end of the fiscal year covered by this Annual Report. That information is incorporated in this Item 12 by reference.

Item 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE

Duke Energy will provide information that is responsive to this Item 13 in its definitive proxy statement or in an amendment to this Annual Report not later than 120 days after the end of the fiscal year covered by this Annual Report. That information is incorporated in this Item 13 by reference.

OTHER INFORMATION

Item 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

Deloitte provided professional services to the Duke Energy Registrants. The following tables present the Deloitte fees for services rendered to the Duke Energy Registrants during 2022 and 2021.

Year Ended December 31, 2022
DukeDukeDukeDukeDuke
DukeEnergyProgressEnergyEnergyEnergyEnergy
(in millions)EnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
Types of Fees
Audit Fees(a)$13.7$3.2$4.9$2.5$2.4$2.0$1.8$1.3
Audit-Related Fees(b)1.70.10.20.10.10.2——
Total Fees$15.4$3.3$5.1$2.6$2.5$2.2$1.8$1.3
Year Ended December 31, 2021
DukeDukeDukeDukeDuke
DukeEnergyProgressEnergyEnergyEnergyEnergy
(in millions)EnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
Types of Fees
Audit Fees(a)$13.2$3.1$4.7$2.4$2.3$1.9$1.7$1.3
Audit-Related Fees(b)1.50.10.20.10.10.2——
Total Fees$14.7$3.2$4.9$2.5$2.4$2.1$1.7$1.3

(a) Audit Fees are fees billed, or expected to be billed, by Deloitte for professional services for the financial statement audits, audit of the Duke Energy Registrants’ financial statements included in Duke Energy's Annual Report on Form 10-K, reviews of financial statements included in Quarterly Reports on Form 10‑Q, and services associated with securities filings such as comfort letters and consents.

(b) Audit-Related Fees are fees billed, or expected to be billed, by Deloitte for assurance and related services that are reasonably related to the performance of an audit or review of financial statements, including statutory reporting requirements.

To safeguard the continued independence of the independent auditor, the Audit Committee of Duke Energy adopted a policy that all services provided by the independent auditor require preapproval by the Audit Committee. Pursuant to the policy, certain audit services, audit-related services, tax services and other services have been specifically preapproved up to fee limits. In the event the cost of any of these services may exceed the fee limits, the Audit Committee must specifically approve the service. All services performed in 2022 and 2021 by the independent accountant were approved by the Audit Committee pursuant to the preapproval policy.

EXHIBITS

Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) Consolidated Financial Statements and Supplemental Schedules included in Part II of this Annual Report are as follows:

Duke Energy Corporation

Consolidated Financial Statements

Consolidated Statements of Operations for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

Duke Energy Carolinas, LLC

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

Progress Energy, Inc.

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

Duke Energy Progress, LLC

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

Duke Energy Florida, LLC

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

Duke Energy Ohio, Inc.

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

EXHIBITS

Duke Energy Indiana, LLC

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

Piedmont Natural Gas Company, Inc.

Consolidated Financial Statements

Consolidated Statements of Operations and Comprehensive Income for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Balance Sheets as of December 31, 2022, and 2021

Consolidated Statements of Cash Flows for the Years Ended December 31, 2022, 2021 and 2020

Consolidated Statements of Changes in Equity for the Years Ended December 31, 2022, 2021 and 2020

Notes to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

All other schedules are omitted because they are not required, or because the required information is included in the Consolidated Financial Statements or Notes.

EXHIBITS

EXHIBIT INDEX

Exhibits filed herewith are designated by an asterisk (). All exhibits not so designated are incorporated by reference to a prior filing, as indicated. Items constituting management contracts or compensatory plans or arrangements are designated by a double asterisk (). The Company agrees to furnish upon request to the commission a copy of any omitted schedules or exhibits upon request on all items designated by a triple asterisk ().

DukeDukeDukeDukeDuke
ExhibitDukeEnergyProgressEnergyEnergyEnergyEnergy
NumberEnergyCarolinasEnergyProgressFloridaOhioIndianaPiedmont
2.1[Agreement and Plan of Merger between Duke Energy Corporation, Diamond Acquisition Corporation and Progress Energy, Inc., dated as of January 8, 2011 (incorporated by reference to Exhibit 2.1 to Duke Energy Corporation's Current Report on Form 8-K filed on January 11, 2011, File No. 1-32853).](http://www.sec.gov/Archives/edgar/data/1326160/000119312511006050/de

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