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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 NumberExact name of registrants as specified in their chartersI.R.S. Employer Identification Number
001-08489DOMINION ENERGY, INC.54-1229715
000-55337Virginia ELECTRIC AND POWER COMPANY54-0418825
Virginia (State or other jurisdiction of incorporation or organization)
120 TREDEGAR STREET RICHMOND**,** Virginia (Address of principal executive offices)23219 (Zip Code)
(804) 819-2284 (Registrants’ telephone number)

Securities registered pursuant to Section 12(b) of the Act:

RegistrantTrading SymbolTitle of Each ClassName of Each Exchange on Which Registered
DOMINION ENERGY, INC.DCommon Stock, no par valueNew York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act:

VIRGINIA ELECTRIC AND POWER COMPANY

Common Stock, no par value

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

Dominion Energy, Inc. Yes ☒ No ☐ Virginia Electric and Power Company 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 Act.

Dominion Energy, Inc. Yes ☐ No ☒ Virginia Electric and Power Company Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has 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.

Dominion Energy, Inc. Yes ☒ No ☐ Virginia Electric and Power Company Yes ☒ No ☐

Indicate by check mark whether the registrant has 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).

Dominion Energy, Inc. Yes ☒ No ☐ Virginia Electric and Power Company Yes ☒ No ☐

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

Dominion Energy, Inc.

Large accelerated filer☒Accelerated filer☐Emerging growth company☐
Non-accelerated filer☐Smaller reporting company☐

Virginia Electric and Power Company

Large accelerated filer☐Accelerated filer☐Emerging growth company☐
Non-accelerated filer☒Smaller reporting 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.

Dominion Energy, Inc. ☒ Virginia Electric and Power Company ☐

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.

Dominion Energy, Inc. ☐ Virginia Electric and Power Company ☐

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).

Dominion Energy, Inc. ☐ Virginia Electric and Power Company ☐

Indicate by check mark whether the registrant is a shell company (as defined by Rule 12b-2 of the Act).

Dominion Energy, Inc. Yes ☐ No ☒ Virginia Electric and Power Company Yes ☐ No ☒

The aggregate market value of Dominion Energy, Inc. common stock held by non-affiliates of Dominion Energy was approximately $66.3 billion based on the closing price of Dominion Energy’s common stock as reported on the New York Stock Exchange as of the last day of Dominion Energy’s most recently completed second fiscal quarter. Dominion Energy is the sole holder of Virginia Electric and Power Company common stock. At February 15, 2023, Dominion Energy had 835,193,617 shares of common stock outstanding and Virginia Power had 274,723 shares of common stock outstanding.

DOCUMENT INCORPORATED BY REFERENCE

Portions of Dominion Energy’s 2023 Proxy Statement are incorporated by reference in Part III.

This combined Form 10-K represents separate filings by Dominion Energy, Inc. and Virginia Electric and Power Company. Information contained herein relating to an individual registrant is filed by that registrant on its own behalf. Virginia Electric and Power Company makes no representations as to the information relating to Dominion Energy, Inc.’s other operations.

VIRGINIA ELECTRIC AND POWER COMPANY MEETS THE CONDITIONS SET FORTH IN GENERAL INSTRUCTION I(1)(a) AND (b) OF FORM 10-K AND IS FILING THIS FORM 10-K UNDER THE REDUCED DISCLOSURE FORMAT.

Dominion Energy, Inc. and Virginia Electric and Power Company

Item NumberPage Number
Glossary of Terms3
Part I
1.Business11
1A.Risk Factors38
1B.Unresolved Staff Comments48
2.Properties49
3.Legal Proceedings54
4.Mine Safety Disclosures54
Information about our Executive Officers55
Part II
5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities56
6.[Reserved]56
7.Management’s Discussion and Analysis of Financial Condition and Results of Operations57
7A.Quantitative and Qualitative Disclosures About Market Risk83
8.Financial Statements and Supplementary Data86
9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure199
9A.Controls and Procedures199
9B.Other Information202
9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections203
Part III
10.Directors, Executive Officers and Corporate Governance204
11.Executive Compensation204
12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters204
13.Certain Relationships and Related Transactions, and Director Independence204
14.Principal Accountant Fees and Services204
Part IV
15.Exhibits and Financial Statement Schedules206
16.Form 10-K Summary211

Glossary of Terms

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

Abbreviation or AcronymDefinition
2017 Tax Reform ActAn Act to Provide for Reconciliation Pursuant to Titles II and V of the Concurrent Resolution on the Budget for Fiscal Year 2018 (previously known as The Tax Cuts and Jobs Act) enacted on December 22, 2017
2019 Equity UnitsDominion Energy’s 2019 Series A Equity Units issued in June 2019, initially in the form of 2019 Series A Corporate Units, which consisted of a stock purchase contract and a 1/10 interest in a share of the Series A Preferred Stock
2021 BLS Industry Average OSHA Recordable RateAn average of the OSHA Recordable Rate for 2021 published by the Bureau of Labor Statistics for electric power generation, transmission and distribution (NAICS code 2211) and natural gas distribution (NAICS code 2212)
2021 Triennial ReviewVirginia Commission review of Virginia Power’s earned return on base rate generation and distribution services for the four successive 12-month test periods beginning January 1, 2017 and ending December 31, 2020
2023 Proxy StatementDominion Energy 2023 Proxy Statement, File No. 001-08489
ABOAccumulated benefit obligation
ACE RuleAffordable Clean Energy Rule
AFUDCAllowance for funds used during construction
Align RNGAlign RNG, LLC, a joint venture between Dominion Energy and Smithfield Foods, Inc.
AltavistaAltavista biomass power station
AMIAdvanced Metering Infrastructure
AOCIAccumulated other comprehensive income (loss)
AROAsset retirement obligation
Atlantic Coast PipelineAtlantic Coast Pipeline, LLC, a limited liability company owned by Dominion Energy and Duke Energy
Atlantic Coast Pipeline ProjectA previously proposed approximately 600-mile natural gas pipeline running from West Virginia through Virginia to North Carolina which would have been owned by Dominion Energy and Duke Energy
bcfBillion cubic feet
bcfeBillion cubic feet equivalent
Bear GardenA 622 MW combined-cycle, natural gas-fired power station in Buckingham County, Virginia
BHEThe legal entity, Berkshire Hathaway Energy Company, one or more of its consolidated subsidiaries (including Dominion Energy Gas, Dominion Energy Midstream and Cove Point effective November 1, 2020), or the entirety of Berkshire Hathaway Energy Company and its consolidated subsidiaries
BirdseyeBirdseye Renewable Energy, LLC
BPBP Wind Energy North America Inc.
BrookfieldBrookfield Super-Core Infrastructure Partners, an infrastructure fund managed by Brookfield Asset Management Inc.
Brunswick CountyA 1,376 MW combined-cycle, natural gas-fired power station in Brunswick County, Virginia
CAAClean Air Act
CAISOCalifornia ISO
CAOChief Accounting Officer
CCRCoal combustion residual
CCROCustomer credit reinvestment offset
CEACommodity Exchange Act
CEOChief Executive Officer
CEPCapital Expenditure Program, as established by House Bill 95, Ohio legislation enacted in 2011, deployed by East Ohio to recover certain costs associated with capital investment
CERCLAComprehensive Environmental Response, Compensation and Liability Act of 1980, also known as Superfund
Abbreviation or AcronymDefinition
CFOChief Financial Officer
CH4Methane
ClearwayThe legal entity, Clearway Energy, Inc. (a subsidiary of Global Infrastructure Partners), one or more of its consolidated subsidiaries, or the entirety of Clearway Energy, Inc. and its consolidated subsidiaries
CNGConsolidated Natural Gas Company
CO2Carbon dioxide
Colonial Trail WestA 142 MW utility-scale solar power station located in Surry County, Virginia
CompaniesDominion Energy and Virginia Power, collectively
Contracted AssetsContracted Assets operating segment
COOChief Operating Officer
Cooling degree daysUnits measuring the extent to which the average daily temperature is greater than 65 degrees Fahrenheit, or 75 degrees Fahrenheit in DESC’s service territory, calculated as the difference between 65 or 75 degrees, as applicable, and the average temperature for that day
Cove PointCove Point LNG, LP (formerly known as Dominion Energy Cove Point LNG, LP)
Cove Point LNG FacilityAn LNG import/export and storage facility, including the Liquefaction Facility, located on the Chesapeake Bay in Lusby, Maryland
CPCNCertificate of Public Convenience and Necessity
CVOW Commercial ProjectA proposed 2.6 GW wind generation facility 27 miles off the coast of Virginia Beach, Virginia in federal waters adjacent to the CVOW Pilot Project and associated interconnection facilities in and around Virginia Beach, Virginia
CVOW Pilot ProjectA 12 MW wind generation facility 27 miles off the coast of Virginia Beach, Virginia in federal waters
CWAClean Water Act
DCPThe legal entity, CPMLP Holding Company, LLC (formerly known as Dominion Cove Point, LLC), one or more of its consolidated subsidiaries (including Dominion Energy Midstream), or the entirety of CPMLP Holding Company, LLC and its consolidated subsidiaries
DECGSCarolina Gas Services, Inc. (formerly known as Dominion Energy Carolina Gas Services, Inc.)
DECP HoldingsThe legal entity DECP Holdings, Inc., which holds Dominion Energy’s noncontrolling interest in Cove Point
DEQPSMountainWest Pipeline Services, Inc. (formerly known as Dominion Energy Questar Pipeline Services, Inc.)
DESDominion Energy Services, Inc.
DESCThe legal entity, Dominion Energy South Carolina, Inc., one or more of its consolidated entities or operating segment, or the entirety of Dominion Energy South Carolina, Inc. and its consolidated entities
DETIEastern Gas Transmission and Storage, Inc. (formerly known as Dominion Energy Transmission, Inc.)
DGIDominion Generation, Inc.
DGPEastern Gathering and Processing, Inc. (formerly known as Dominion Gathering and Processing, Inc.)
DMLPHCIIEastern MLP Holding Company II, LLC (formerly known as Dominion MLP Holding Company II, LLC)
Dodd-Frank ActThe Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010
DOEU.S. Department of Energy
Dominion EnergyThe legal entity, Dominion Energy, Inc., one or more of its consolidated subsidiaries (other than Virginia Power) or operating segments, or the entirety of Dominion Energy, Inc. and its consolidated subsidiaries
Dominion Energy Direct®A dividend reinvestment and open enrollment direct stock purchase plan
Dominion Energy GasThe legal entity, Eastern Energy Gas Holdings, LLC (formerly known as Dominion Energy Gas Holdings, LLC), one or more of its consolidated subsidiaries (consisting of DETI, DCP, DMLPHCII and Dominion Iroquois), or the entirety of Eastern Energy Gas Holdings, LLC and its consolidated subsidiaries
Dominion Energy MidstreamThe legal entity, Northeast Midstream Partners, LP (formerly known as Dominion Energy Midstream Partners, LP), one or more of its consolidated subsidiaries, or the entirety of Northeast Midstream Partners, LP and its consolidated subsidiaries
Abbreviation or AcronymDefinition
Dominion Energy Questar PipelineThe legal entity, MountainWest Pipeline, LLC (formerly known as Dominion Energy Questar Pipeline, LLC), one or more of its consolidated subsidiaries (including its 50% noncontrolling interest in White River Hub), or the entirety of Dominion Energy Questar Pipeline, LLC and its consolidated subsidiaries
Dominion Energy South CarolinaDominion Energy South Carolina operating segment
Dominion Energy VirginiaDominion Energy Virginia operating segment
Dominion IroquoisThe legal entity Iroquois Inc. (formerly known as Dominion Iroquois Inc.), one or more of its consolidated subsidiaries, or the entirety of Iroquois, Inc. and its consolidated subsidiaries, which held a 50% noncontrolling interest in Iroquois
Dominion PrivatizationDominion Utility Privatization, LLC, a joint venture between Dominion Energy and Patriot
DSMDemand-side management
DSM RidersRate adjustment clauses, designated Riders C1A, C2A, C3A and C4A, associated with the recovery of costs related to certain Virginia DSM programs in approved DSM cases
DthDekatherm
Duke EnergyThe legal entity, Duke Energy Corporation, one or more of its consolidated subsidiaries, or the entirety of Duke Energy Corporation and its consolidated subsidiaries
Eagle SolarEagle Solar, LLC, a wholly-owned subsidiary of DGI
East OhioThe East Ohio Gas Company, doing business as Dominion Energy Ohio
Energy ChoiceProgram authorized by the Ohio Commission which provides energy customers with the ability to shop for energy options from a group of suppliers certified by the Ohio Commission
EnergySolutionsEnergySolutions, LLC
EPAU.S. Environmental Protection Agency
EPACTEnergy Policy Act of 2005
EPSEarnings per common share
ERISAEmployee Retirement Income Security Act of 1974
ESA Excess Tax BenefitsEndangered Species Act Benefits of tax deductions in excess of the compensation cost recognized for stock-based compensation
FASBFinancial Accounting Standards Board
FERCFederal Energy Regulatory Commission
FILOTFee in lieu of taxes
FitchFitch Ratings Ltd.
Four BrothersFour Brothers Solar, LLC, a limited liability company owned by Dominion Energy (through December 2021) and Four Brothers Holdings, LLC, a subsidiary of Clearway
Fowler RidgeFowler I Holdings LLC, a wind-turbine facility in Benton County, Indiana
FTRsFinancial transmission rights
GAAPU.S. generally accepted accounting principles
Gas DistributionGas Distribution operating segment
GENCOSouth Carolina Generating Company, Inc.
GHGGreenhouse gas
Granite MountainGranite Mountain Holdings, LLC, a limited liability company owned by Dominion Energy (through December 2021) and Granite Mountain Renewables, LLC, a subsidiary of Clearway
Green MountainGreen Mountain Power Corporation
Greensville CountyA 1,629 MW combined-cycle, natural gas-fired power station in Greensville County, Virginia
Abbreviation or AcronymDefinition
GT&S TransactionThe sale by Dominion Energy to BHE of Dominion Energy Gas, DGP, DECGS, Eastern Energy Field Services, Inc. (formerly known as Dominion Energy Field Services, Inc.) and Modular LNG Holdings, Inc. (formerly known as Dominion Modular LNG Holdings, Inc.) (which holds a 50% noncontrolling interest in JAX LNG) pursuant to a purchase and sale agreement entered into on July 3, 2020, which was completed on November 1, 2020
GTSAVirginia Grid Transformation and Security Act of 2018
GWGigawatt
Heating degree daysUnits measuring the extent to which the average daily temperature is less than 65 degrees Fahrenheit, or 60 degrees Fahrenheit in DESC’s service territory, calculated as the difference between 65 or 60 degrees, as applicable, and the average temperature for that day
HopeHope Gas, Inc., doing business as Dominion Energy West Virginia through August 2022
HopewellPolyester biomass power station
Idaho CommissionIdaho Public Utilities Commission
IRAAn Act to Provide for Reconciliation Pursuant to Title II of Senate Concurrent Resolution 14 of the 117th Congress (also known as the Inflation Reduction Act of 2022) enacted on August 16, 2022
Iron SpringsIron Springs Holdings, LLC, a limited liability company owned by Dominion Energy (through December 2021) and Iron Springs Renewables, LLC, a subsidiary of Clearway
IroquoisIroquois Gas Transmission System, L.P.
IRSInternal Revenue Service
ISOIndependent system operator
ISO-NEISO New England
JAX LNGJAX LNG, LLC, an LNG supplier in Florida serving the marine and LNG markets
Jones ActThe Coastwise Merchandise Statute (commonly known as the Jones Act) 46 U.S.C. §55102 regulating U.S. maritime commerce
July 2016 hybridsDominion Energy’s 2016 Series A Enhanced Junior Subordinated Notes due 2076
KewauneeKewaunee nuclear power station
kVKilovolt
LIBORLondon Interbank Offered Rate
LIFOLast-in-first-out inventory method
Liquefaction FacilityA natural gas export/liquefaction facility at the Cove Point LNG Facility
LNGLiquefied natural gas
LTIPLong-term incentive program
Massachusetts MunicipalMassachusetts Municipal Wholesale Electric Company
mcfeThousand cubic feet equivalent
MD&AManagement’s Discussion and Analysis of Financial Condition and Results of Operations
MGDMillion gallons per day
MillstoneMillstone nuclear power station
Millstone 2019 power purchase agreementsPower purchase agreements with Eversource Energy and The United Illuminating Company for Millstone to provide nine million MWh per year of electricity for ten years
Moody’sMoody’s Investors Service
MtpaMillion metric tons per annum
MWMegawatt
MWhMegawatt hour
N2ONitrous oxide
Natural Gas Rate Stabilization ActLegislation effective February 2005 designed to improve and maintain natural gas service infrastructure to meet the needs of customers in South Carolina
NAVNet asset value
NEILNuclear Electric Insurance Limited
NERCNorth American Electric Reliability Corporation
NGLNatural gas liquid
NND ProjectV.C. Summer Units 2 and 3 nuclear development project under which DESC and Santee Cooper undertook to construct two Westinghouse AP1000 Advanced Passive Safety nuclear units in Jenkinsville, South Carolina
North AnnaNorth Anna nuclear power station
Abbreviation or AcronymDefinition
North Carolina CommissionNorth Carolina Utilities Commission
NOXNitrogen oxide
NRCU.S. Nuclear Regulatory Commission
NWP 12A nationwide permit from the U.S. Army Corps of Engineers authorizing activities required for the construction, maintenance, repair and removal of utility lines, including electric transmission, gas pipelines, water and communications conduit and associate facilities in waters of the U.S.
NYSENew York Stock Exchange
October 2014 hybridsDominion Energy’s 2014 Series A Enhanced Junior Subordinated Notes due 2054
ODECOld Dominion Electric Cooperative
offshore wind turbine installation seasonThe period May 1st through October 31st for waters off the coast of the Mid-Atlantic and Northeast
Ohio CommissionPublic Utilities Commission of Ohio
Order 1000Order issued by FERC adopting requirements for electric transmission planning, cost allocation and development
OSHA Recordable RateNumber of recordable cases, as defined by the Occupational Health and Safety Administration, a division of the U.S. Department of Labor, for every 100 employees over the course of a year
PatriotPatriot Utility Privatizations, LLC, a joint venture between Foundation Infrastructure Partners, LLC and John Hancock Life Insurance Company (U.S.A.) and affiliates
PHMSAPipeline and Hazardous Materials Safety Administration
PIPPPercentage of Income Payment Plan deployed by East Ohio
PIRPipeline Infrastructure Replacement program deployed by East Ohio
PJMPJM Interconnection, LLC
PSDPrevention of significant deterioration
PSNCPublic Service Company of North Carolina, Incorporated, doing business as Dominion Energy North Carolina
Q-Pipe GroupCollectively, Dominion Energy Questar Pipeline, DEQPS and MountainWest Energy Holding Company, LLC (formerly known as QPC Holding Company, LLC and its subsidiary MountainWest Southern Trails Pipeline Company (formerly known as Questar Southern Trails Pipeline Company))
Q-Pipe TransactionA previously proposed sale by Dominion Energy to BHE of the Q-Pipe Group pursuant to a purchase and sale agreement entered into on October 5, 2020 and terminated on July 9, 2021
Questar GasQuestar Gas Company, doing business as Dominion Energy Utah, Dominion Energy Wyoming and Dominion Energy Idaho
Regulation ActLegislation effective July 1, 2007, that amended the Virginia Electric Utility Restructuring Act and fuel factor statute, which legislation is also known as the Virginia Electric Utility Regulation Act, as amended in 2015 and 2018
RGGIRegional Greenhouse Gas Initiative
RICORacketeer Influenced and Corrupt Organizations Act
Rider BA rate adjustment clause associated with the recovery of costs related to the conversion of three of Virginia Power’s coal-fired power stations to biomass
Rider BWA rate adjustment clause associated with the recovery of costs related to Brunswick County
Rider CCRA rate adjustment clause associated with the recovery of costs related to the removal of CCR at certain power stations
Rider CEA rate adjustment clause associated with the recovery of costs related to certain renewable generation, energy storage and related transmission facilities in Virginia as well as certain small-scale distributed generation projects and related transmission facilities
Rider DA rate mechanism which allows PSNC to recover from customers all prudently incurred gas costs and the related portion of uncollectible expenses as well as losses on negotiated gas and transportation sales
Rider EA rate adjustment clause associated with the recovery of costs related to certain capital projects at Virginia Power’s electric generating stations to comply with federal and state environmental laws and regulations
Rider GTA rate adjustment clause associated with the recovery of costs associated with electric distribution grid transformation projects that the Virginia Commission has approved as authorized by the GTSA
Abbreviation or AcronymDefinition
Rider GVA rate adjustment clause associated with the recovery of costs related to Greensville County
Rider OSWA rate adjustment clause associated with costs incurred to construct, own and operate the CVOW Commercial Project
Rider PPAA rate adjustment clause associated with the recovery of costs associated with power purchase agreements for the energy, capacity, ancillary services and renewable energy credits owned by third parties
Rider RA rate adjustment clause associated with the recovery of costs related to Bear Garden
Rider RGGIA rate adjustment clause associated with the recovery of costs related to the purchase of allowances through the RGGI market-based trading program for CO2
Rider RPSA rate adjustment clause associated with the recovery of costs related to the mandatory renewable portfolio standard program established by the VCEA
Rider SA rate adjustment clause associated with the recovery of costs related to the Virginia City Hybrid Energy Center
Rider SNAA rate adjustment clause associated with costs relating to the preparation of the applications for subsequent license renewal to the NRC to extend the operating licenses of Surry and North Anna and related projects
Rider T1A rate adjustment clause to recover the difference between revenues produced from transmission rates included in base rates, and the new total revenue requirement developed annually for the rate years effective September 1
Rider UA rate adjustment clause associated with the recovery of costs of new underground distribution facilities
Rider US-2A rate adjustment clause associated with the recovery of costs related to Woodland Solar, Scott Solar and Whitehouse Solar
Rider US-3A rate adjustment clause associated with the recovery of costs related to Colonial Trail West and Spring Grove 1
Rider US-4A rate adjustment clause associated with the recovery of costs related to Sadler Solar
Rider WA rate adjustment clause associated with the recovery of costs related to Warren County
ROEReturn on equity
ROICReturn on invested capital
RTEPRegional transmission expansion plan
RTORegional transmission organization
Sadler SolarA 100 MW utility-scale solar power station located in Greensville County, Virginia
SAIDISystem Average Interruption Duration Index, metric used to measure electric service reliability
Santee CooperSouth Carolina Public Service Authority
SBL HoldcoSBL Holdco, LLC, a wholly-owned subsidiary of DGI through December 2021
SCANAThe legal entity, SCANA Corporation, one or more of its consolidated subsidiaries, or the entirety of SCANA Corporation and its consolidated subsidiaries
SCANA CombinationDominion Energy’s acquisition of SCANA completed on January 1, 2019 pursuant to the terms of the agreement and plan of merger entered on January 2, 2018 between Dominion Energy and SCANA
SCANA Merger Approval OrderFinal order issued by the South Carolina Commission on December 21, 2018 setting forth its approval of the SCANA Combination
SCDORSouth Carolina Department of Revenue
Scope 1 emissionsEmissions that are produced directly by an entity’s own operations
Scope 2 emissionsEmissions from electricity a company consumes but does not generate from its own facilities
Scope 3 emissionsEmissions generated downstream of company operations by customers and upstream by suppliers
Scott SolarA 17 MW utility-scale solar power station in Powhatan County, Virginia
SECU.S. Securities and Exchange Commission
SEEMSoutheast Energy Exchange Market
SERCSoutheast Electric Reliability Council
Series A Preferred StockDominion Energy’s Series A Cumulative Perpetual Convertible Preferred Stock, without par value, with a liquidation preference of $1,000 per share (previously designated the 1.75% Series A Cumulative Perpetual Convertible Preferred Stock)
Series B Preferred StockDominion Energy’s 4.65% Series B Fixed-Rate Cumulative Redeemable Perpetual Preferred Stock, without par value, with a liquidation preference of $1,000 per share
Abbreviation or AcronymDefinition
Series C Preferred StockDominion Energy’s 4.35% Series C Fixed-Rate Cumulative Redeemable Perpetual Preferred Stock, without par value, with a liquidation preference of $1,000 per share
SF6Sulfur hexafluoride
SO2Sulfur dioxide
SOFRSecured Overnight Financing Rate
South Carolina CommissionPublic Service Commission of South Carolina
SouthamptonSouthampton biomass power station
SouthernThe legal entity, The Southern Company, one or more of its consolidated subsidiaries, or the entirety of The Southern Company and its consolidated subsidiaries
Southwest GasThe legal entity, Southwest Gas Holdings, Inc., one or more of its consolidated subsidiaries, or the entirety of Southwest Gas Holdings, Inc. and its consolidated subsidiaries
Spring Grove 1A 98 MW utility-scale solar power station located in Surry County, Virginia
Standard & Poor’sStandard & Poor’s Ratings Services, a division of S&P Global Inc.
SummerV.C. Summer nuclear power station
Supply Header ProjectA project previously intended for DETI to provide approximately 1,500,000 Dths of firm transportation service to various customers in connection with the Atlantic Coast Pipeline Project
SurrySurry nuclear power station
Terra Nova Renewable PartnersThe legal entity, Terra Nova Renewable Partners, LLC, a partnership comprised primarily of institutional investors advised by J.P. Morgan Asset Management-Global Real Assets, or one or more of its consolidated subsidiaries
Three CedarsGranite Mountain and Iron Springs, collectively
TSRTotal shareholder return
UEXUncollectible Expense Rider deployed by East Ohio
UllicoThe legal entity, Ullico Inc., one or more of its consolidated subsidiaries, or the entirety of Ullico Inc. and its consolidated subsidiaries
Utah CommissionUtah Public Service Commission
VCEAVirginia Clean Economy Act of March 2020
VEBAVoluntary Employees’ Beneficiary Association
VIEVariable interest entity
Virginia City Hybrid Energy CenterA 610 MW baseload carbon-capture compatible, clean coal powered electric generation facility in Wise County, Virginia
Virginia CommissionVirginia State Corporation Commission
Virginia FacilitiesProposed electric interconnection and transmission facilities in and around Virginia Beach, Virginia, comprising transmission facilities required to interconnect the CVOW Commercial Project reliably with the existing transmission system; including 3 miles of 230 kV offshore export circuits, 4 miles of underground 230 kV onshore export circuits, a new Harpers switching station, 14 miles of three new overhead 230 kV transmission circuits between a new Harpers switching station and the Fentress substation, rebuild eight miles of two existing 230 kV overhead lines and an expansion of the Fentress substation
Virginia PowerThe legal entity, Virginia Electric and Power Company, one or more of its consolidated subsidiaries or operating segment, or the entirety of Virginia Electric and Power Company and its consolidated subsidiaries
VOCVolatile organic compounds
Warren CountyA 1,349 MW combined-cycle, natural gas-fired power station in Warren County, Virginia
WECTECWECTEC Global Project Services, Inc., a wholly-owned subsidiary of Westinghouse
West Virginia CommissionPublic Service Commission of West Virginia
WestinghouseWestinghouse Electric Company LLC
WexproThe legal entity, Wexpro Company, one or more of its consolidated subsidiaries, or the entirety of Wexpro Company and its consolidated subsidiaries
Wexpro AgreementAn agreement which sets forth the rights of Questar Gas to receive certain benefits from Wexpro’s operations, including cost-of-service gas
Wexpro II AgreementAn agreement with the states of Utah and Wyoming modeled after the Wexpro Agreement that allows for the addition of properties under the cost-of-service methodology for the benefit of Questar Gas customers
Wexpro AgreementsCollectively, the Wexpro Agreement, Wexpro II Agreement and two stipulation agreements approved by the Utah Commission allowing for the inclusion of certain property at Canyon Creek and the Trail Unit under the Wexpro II Agreement
Whitehouse SolarA 20 MW utility-scale solar power station in Louisa County, Virginia
White River HubMountainWest White River Hub, LLC (formerly known as White River Hub, LLC)
Abbreviation or AcronymDefinition
Wisconsin CommissionPublic Service Commission of Wisconsin
Woodland SolarA 19 MW utility-scale solar power station in Isle of Wight County, Virginia
WP&LWisconsin Power and Light Company, a subsidiary of Alliant Energy Corporation
WPSCWisconsin Public Service Corporation, a subsidiary of WEC Energy Group
WranglerWrangler Retail Gas Holdings, LLC, a partnership between Dominion Energy (through March 2022) and Interstate Gas Supply, Inc.
Wyoming CommissionWyoming Public Service Commission

Part I

Next: Item 1. Business