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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**,** 2023
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 Number | Exact name of registrants as specified in their charters | I.R.S. Employer Identification Number |
| 001-08489 | DOMINION ENERGY, INC. | 54-1229715 |
| 000-55337 | Virginia ELECTRIC AND POWER COMPANY | 54-0418825 |
| 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:
| Registrant | Trading Symbol | Title of Each Class | Name of Each Exchange on Which Registered |
| DOMINION ENERGY, INC. | D | Common Stock, no par value | New 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, Inc. was approximately $43.3 billion based on the closing price of Dominion Energy, Inc.’s common stock as reported on the New York Stock Exchange as of the last day of Dominion Energy, Inc.’s most recently completed second fiscal quarter. Dominion Energy, Inc. is the sole holder of Virginia Electric and Power Company common stock. At February 19, 2024, Dominion Energy, Inc. had 837,443,257 shares of common stock outstanding and Virginia Electric and Power Company had 324,245 shares of common stock outstanding.
DOCUMENT INCORPORATED BY REFERENCE
Portions of Dominion Energy, Inc.’s 2024 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
Glossary of Terms
The following abbreviations or acronyms used in this Form 10-K are defined below:
| Abbreviation or Acronym | Definition | |
| 2017 Tax Reform Act | An 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 Units | Dominion 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 Triennial Review | Virginia 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 Biennial Review | Virginia Commission review of Virginia Power’s earned return on base rate generation and distribution services for the two successive 12-month test periods beginning January 1, 2021 and ending December 31, 2022 and prospective rate base setting for the succeeding annual periods beginning January 1, 2024 and ending December 31, 2025 | |
| 2024 Proxy Statement | Dominion Energy 2024 Proxy Statement, File No. 001-08489 | |
| 2025 Biennial Review | Future Virginia Commission review of Virginia Power’s earned return on base rate generation and distribution services for the two successive 12-month test periods beginning January 1, 2023 and ending December 31, 2024 and prospective rate base setting for the succeeding annual periods beginning January 1, 2026 and ending December 31, 2027 | |
| ABO | Accumulated benefit obligation | |
| ACE Rule | Affordable Clean Energy Rule | |
| AES | The legal entity The AES Corporation, one or more of its consolidated subsidiaries, or the entirety of The AES Corporation and its consolidated subsidiaries | |
| AFUDC | Allowance for funds used during construction | |
| Align RNG | Align RNG, LLC, a joint venture between Dominion Energy and Smithfield Foods, Inc. | |
| Altavista | Altavista biomass power station | |
| AMI | Advanced Metering Infrastructure | |
| AOCI | Accumulated other comprehensive income (loss) | |
| ARO | Asset retirement obligation | |
| Atlantic Coast Pipeline | Atlantic Coast Pipeline, LLC, a limited liability company owned by Dominion Energy and Duke Energy | |
| Atlantic Coast Pipeline Project | A 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 | |
| bcf | Billion cubic feet | |
| Bear Garden | A 622 MW combined-cycle, natural gas-fired power station in Buckingham County, Virginia | |
| BHE | The legal entity, Berkshire Hathaway Energy Company, one or more of its consolidated subsidiaries (including Eastern Energy Gas Holdings, LLC, Northeast Midstream Partners, LP and Cove Point effective November 2020), or the entirety of Berkshire Hathaway Energy Company and its consolidated subsidiaries | |
| Birdseye | Birdseye Renewable Energy, LLC | |
| BLS Industry Average OSHA Recordable Rate | An average of the OSHA Recordable Rate published by the Bureau of Labor Statistics for electric power generation, transmission and distribution (NAICS code 2211) and natural gas distribution (NAICS code 2212) | |
| BOEM | Bureau of Ocean Energy Management | |
| Brunswick County | A 1,376 MW combined-cycle, natural gas-fired power station in Brunswick County, Virginia | |
| CAA | Clean Air Act | |
| CAISO | California ISO | |
| CAO | Chief Accounting Officer | |
| CCR | Coal combustion residual | |
| CCRO | Customer credit reinvestment offset | |
| CEA | Commodity Exchange Act | |
| CEO | Chief Executive Officer |
| Abbreviation or Acronym | Definition | |
| CEP | Capital 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 | |
| CERCLA | Comprehensive Environmental Response, Compensation and Liability Act of 1980, also known as Superfund | |
| CFIUS | The Committee on Foreign Investment in the U.S. | |
| CFO | Chief Financial Officer | |
| CH4 | Methane | |
| Clearway | The 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 | |
| CNG | Consolidated Natural Gas Company | |
| CO2 | Carbon dioxide | |
| CODM | Chief Operating Decision Maker | |
| Companies | Dominion Energy and Virginia Power, collectively | |
| Contracted Energy | Contracted Energy operating segment, formerly known as the Contracted Assets operating segment | |
| COO | Chief Operating Officer | |
| Cooling degree days | Units 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 Point | Cove Point LNG, LP (formerly known as Dominion Energy Cove Point LNG, LP) | |
| CPCN | Certificate of Public Convenience and Necessity | |
| CVOW Commercial Project | A 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 Project | A 12 MW wind generation facility 27 miles off the coast of Virginia Beach, Virginia in federal waters | |
| CWA | Clean Water Act | |
| DCP | The 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 | |
| DECGS | Carolina Gas Services, Inc. (formerly known as Dominion Energy Carolina Gas Services, Inc.) | |
| DECP Holdings | The legal entity DECP Holdings, Inc., which held Dominion Energy’s noncontrolling interest in Cove Point (through September 2023) | |
| DEQPS | MountainWest Pipeline Services, Inc. (formerly known as Dominion Energy Questar Pipeline Services, Inc.) | |
| DES | Dominion Energy Services, Inc. | |
| DESC | The 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 | |
| DETI | Eastern Gas Transmission and Storage, Inc. (formerly known as Dominion Energy Transmission, Inc.) | |
| DGI | Dominion Generation, Inc. | |
| DGP | Eastern Gathering and Processing, Inc. (formerly known as Dominion Gathering and Processing, Inc.) | |
| DMLPHCII | Eastern MLP Holding Company II, LLC (formerly known as Dominion MLP Holding Company II, LLC) | |
| Dodd-Frank Act | The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 | |
| DOE | U.S. Department of Energy | |
| Dominion Energy | The 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 Gas | The 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 |
| Abbreviation or Acronym | Definition | |
| Dominion Energy Midstream | The 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 | |
| Dominion Energy Questar Pipeline | The 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 Carolina | Dominion Energy South Carolina operating segment | |
| Dominion Energy Virginia | Dominion Energy Virginia operating segment | |
| Dominion Iroquois | The 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 Privatization | Dominion Utility Privatization, LLC, a joint venture between Dominion Energy and Patriot | |
| DSM | Demand-side management | |
| DSM Riders | Rate 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 | |
| Dth | Dekatherm | |
| Duke Energy | The legal entity, Duke Energy Corporation, one or more of its consolidated subsidiaries, or the entirety of Duke Energy Corporation and its consolidated subsidiaries | |
| Eagle Solar | Eagle Solar, LLC, a wholly-owned subsidiary of DGI | |
| East Ohio | The East Ohio Gas Company, doing business as Dominion Energy Ohio | |
| East Ohio Transaction | The proposed sale by Dominion Energy to Enbridge of all issued and outstanding capital stock in Dominion Energy Questar Corporation and its consolidated subsidiaries, which following a proposed reorganization will include East Ohio and Dominion Energy Gas Distribution, LLC, pursuant to a purchase and sale agreement entered into on September 5, 2023 | |
| Enbridge | The legal entity, Enbridge Inc., one or more of its consolidated subsidiaries (including Enbridge Elephant Holdings, LLC, Enbridge Parrot Holdings, LLC, and Enbridge Quail Holdings, LLC), or the entirety of Enbridge Inc. and its consolidated subsidiaries | |
| EnergySolutions | EnergySolutions, LLC | |
| EPA | U.S. Environmental Protection Agency | |
| EPACT | Energy Policy Act of 2005 | |
| EPS | Earnings per common share | |
| ERISA | Employee Retirement Income Security Act of 1974 | |
| ESA Excess Tax Benefits | Endangered Species Act Benefits of tax deductions in excess of the compensation cost recognized for stock-based compensation | |
| FASB | Financial Accounting Standards Board | |
| FCC | Federal Communications Commission | |
| FERC | Federal Energy Regulatory Commission | |
| FILOT | Fee in lieu of taxes | |
| Fitch | Fitch Ratings Ltd. | |
| Four Brothers | Four Brothers Solar, LLC, a limited liability company owned by Dominion Energy (through December 2021) and Four Brothers Holdings, LLC, a subsidiary of Clearway | |
| FTRs | Financial transmission rights | |
| GAAP | U.S. generally accepted accounting principles | |
| GENCO | South Carolina Generating Company, Inc. | |
| GHG | Greenhouse gas | |
| Granite Mountain | Granite Mountain Holdings, LLC, a limited liability company owned by Dominion Energy (through December 2021) and Granite Mountain Renewables, LLC, a subsidiary of Clearway | |
| Green Mountain | Green Mountain Power Corporation | |
| Greensville County | A 1,605 MW combined-cycle, natural gas-fired power station in Greensville County, Virginia |
| Abbreviation or Acronym | Definition | |
| GT&S Transaction | The 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 | |
| GTSA | Virginia Grid Transformation and Security Act of 2018 | |
| GW | Gigawatt | |
| Heating degree days | Units 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 | |
| Hope | Hope Gas, Inc., doing business as Dominion Energy West Virginia through August 2022 | |
| Hopewell | Polyester biomass power station | |
| Idaho Commission | Idaho Public Utilities Commission | |
| IRA | An 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 Springs | Iron Springs Holdings, LLC, a limited liability company owned by Dominion Energy (through December 2021) and Iron Springs Renewables, LLC, a subsidiary of Clearway | |
| Iroquois | Iroquois Gas Transmission System, L.P. | |
| IRS | Internal Revenue Service | |
| ISO | Independent system operator | |
| ISO-NE | ISO New England | |
| JAX LNG | JAX LNG, LLC, an LNG supplier in Florida serving the marine and LNG markets | |
| Jones Act | The Coastwise Merchandise Statute (commonly known as the Jones Act) 46 U.S.C. §55102 regulating U.S. maritime commerce | |
| July 2016 hybrids | Dominion Energy’s 2016 Series A Enhanced Junior Subordinated Notes due 2076 | |
| Kewaunee | Kewaunee nuclear power station | |
| kV | Kilovolt | |
| LIFO | Last-in-first-out inventory method | |
| LNG | Liquefied natural gas | |
| LTIP | Long-term incentive program | |
| Massachusetts Municipal | Massachusetts Municipal Wholesale Electric Company | |
| mcfe | Thousand cubic feet equivalent | |
| MD&A | Management’s Discussion and Analysis of Financial Condition and Results of Operations | |
| MGD | Million gallons per day | |
| Millstone | Millstone nuclear power station | |
| Millstone 2019 power purchase agreements | Power 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’s | Moody’s Investors Service | |
| MW | Megawatt | |
| MWh | Megawatt hour | |
| N2O | Nitrous oxide | |
| Natural Gas Rate Stabilization Act | Legislation effective February 2005 designed to improve and maintain natural gas service infrastructure to meet the needs of customers in South Carolina | |
| NAV | Net asset value | |
| NEIL | Nuclear Electric Insurance Limited | |
| NERC | North American Electric Reliability Corporation | |
| NGL | Natural gas liquid | |
| NND Project | V.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 Anna | North Anna nuclear power station |
| Abbreviation or Acronym | Definition | |
| North Carolina Commission | North Carolina Utilities Commission | |
| NOX | Nitrogen oxide | |
| NRC | U.S. Nuclear Regulatory Commission | |
| NYSE | New York Stock Exchange | |
| October 2014 hybrids | Dominion Energy’s 2014 Series A Enhanced Junior Subordinated Notes due 2054 | |
| ODEC | Old Dominion Electric Cooperative | |
| Ohio Commission | Public Utilities Commission of Ohio | |
| Order 1000 | Order issued by FERC adopting requirements for electric transmission planning, cost allocation and development | |
| OSHA Recordable Rate | Number 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 | |
| OSWP | OSW Project LLC, a proposed limited liability company to be owned by Virginia Power at formation and subsequently owned by Virginia Power and Stonepeak | |
| ozone season | The period May 1st through September 30th, as determined on a federal level | |
| Patriot | Patriot Utility Privatizations, LLC, a joint venture between Foundation Infrastructure Partners, LLC and John Hancock Life Insurance Company (U.S.A.) and affiliates | |
| PFAS | Per- and polyfluorinated substances, a group of widely used chemicals that break down very slowly over time in the environment | |
| PHMSA | Pipeline and Hazardous Materials Safety Administration | |
| PIPP | Percentage of Income Payment Plan deployed by East Ohio | |
| PIR | Pipeline Infrastructure Replacement program deployed by East Ohio | |
| PJM | PJM Interconnection, LLC | |
| PSD | Prevention of significant deterioration | |
| PSNC | Public Service Company of North Carolina, Incorporated, doing business as Dominion Energy North Carolina | |
| PSNC Transaction | The proposed sale by Dominion Energy to Enbridge of all of its membership interests in Fall North Carolina Holdco LLC and its consolidated subsidiaries, which following a proposed reorganization will include PSNC, pursuant to a purchase and sale agreement entered into on September 5, 2023 | |
| Q-Pipe Group | Collectively, 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 Transaction | A 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 Gas | Questar Gas Company, doing business as Dominion Energy Utah, Dominion Energy Wyoming and Dominion Energy Idaho | |
| Questar Gas Transaction | The proposed sale by Dominion Energy to Enbridge of all of its membership interests in Fall West Holdco LLC and its consolidated subsidiaries, which following a proposed reorganization will include Questar Gas, Wexpro, Wexpro II Company, Wexpro Development Company, Dominion Energy Wexpro Services Company, Questar InfoComm Inc. and Dominion Gas Projects Company, LLC, pursuant to a purchase and sale agreement entered into on September 5, 2023 | |
| Regulation Act | Legislation 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, 2018 and 2023 | |
| RGGI | Regional Greenhouse Gas Initiative | |
| Rider BW | A rate adjustment clause associated with the recovery of costs related to Brunswick County | |
| Rider CCR | A rate adjustment clause associated with the recovery of costs related to the removal of CCR at certain power stations |
| Abbreviation or Acronym | Definition | ||
| Rider CE | A 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 D | A 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 E | A 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 GT | A 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 | ||
| Rider GV | A rate adjustment clause associated with the recovery of costs related to Greensville County | ||
| Rider OSW | A rate adjustment clause associated with costs incurred to construct, own and operate the CVOW Commercial Project | ||
| Rider R | A rate adjustment clause associated with the recovery of costs related to Bear Garden | ||
| Rider RGGI | A 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 RPS | A rate adjustment clause associated with the recovery of costs related to the mandatory renewable portfolio standard program established by the VCEA | ||
| Rider S | A rate adjustment clause associated with the recovery of costs related to the Virginia City Hybrid Energy Center | ||
| Rider SNA | A 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 T1 | A 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 U | A rate adjustment clause associated with the recovery of costs of new underground distribution facilities | ||
| Rider W | A rate adjustment clause associated with the recovery of costs related to Warren County | ||
| ROE | Return on equity | ||
| ROIC | Return on invested capital | ||
| RTEP | Regional transmission expansion plan | ||
| RTO | Regional transmission organization | ||
| SAIDI | System Average Interruption Duration Index, metric used to measure electric service reliability | ||
| Santee Cooper | South Carolina Public Service Authority | ||
| SBL Holdco | SBL Holdco, LLC, a wholly-owned subsidiary of DGI through December 2021 | ||
| SCANA | The legal entity, SCANA Corporation, one or more of its consolidated subsidiaries, or the entirety of SCANA Corporation and its consolidated subsidiaries | ||
| SCANA Combination | Dominion 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 Order | Final order issued by the South Carolina Commission on December 21, 2018 setting forth its approval of the SCANA Combination | ||
| SCDOR | South Carolina Department of Revenue |
| Abbreviation or Acronym | Definition | |
| Scope 1 emissions | Emissions that are produced directly by an entity’s own operations | |
| Scope 2 emissions | Emissions from electricity a company consumes but does not generate from its own facilities | |
| Scope 3 emissions | Emissions generated downstream of company operations by customers and upstream by suppliers | |
| SEC | U.S. Securities and Exchange Commission | |
| SEEM | Southeast Energy Exchange Market | |
| SERC | Southeast Electric Reliability Council | |
| Series A Preferred Stock | Dominion 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 Stock | Dominion 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 | |
| Series C Preferred Stock | Dominion 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 | |
| SF6 | Sulfur hexafluoride | |
| SO2 | Sulfur dioxide | |
| SOFR | Secured Overnight Financing Rate | |
| South Carolina Commission | Public Service Commission of South Carolina | |
| Southampton | Southampton biomass power station | |
| Southern | The legal entity, The Southern Company, one or more of its consolidated subsidiaries, or the entirety of The Southern Company and its consolidated subsidiaries | |
| Southwest Gas | The 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 | |
| Spruce Power | The legal entity, Spruce Power Holding Corporation, one or more of its consolidated subsidiaries, or the entirety of Spruce Power Holding Corporation and its consolidated subsidiaries | |
| Standard & Poor’s | Standard & Poor’s Ratings Services, a division of S&P Global Inc. | |
| Stonepeak | The legal entity Stonepeak Partners, LLC, one or more of its affiliated investment vehicles (including Dunedin Members, LLC) or the entirety of Stonepeak Partners, LLC and its affiliated investment vehicles | |
| Summer | V.C. Summer nuclear power station | |
| Surry | Surry nuclear power station | |
| Terra Nova Renewable Partners | The 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 Cedars | Granite Mountain and Iron Springs, collectively | |
| Toshiba | Toshiba Corporation, parent company of Westinghouse | |
| Toshiba settlement | Settlement Agreement dated as of July 27, 2017, by and among Toshiba, DESC and Santee Cooper | |
| TSR | Total shareholder return | |
| UEX | Uncollectible Expense Rider deployed by East Ohio | |
| Ullico | The legal entity, Ullico Inc., one or more of its consolidated subsidiaries, or the entirety of Ullico Inc. and its consolidated subsidiaries | |
| Utah Commission | Utah Public Service Commission | |
| VCEA | Virginia Clean Economy Act of March 2020 | |
| VEBA | Voluntary Employees’ Beneficiary Association | |
| VIE | Variable interest entity | |
| Virginia City Hybrid Energy Center | A 610 MW baseload carbon-capture compatible, clean coal powered electric generation facility in Wise County, Virginia | |
| Virginia Commission | Virginia State Corporation Commission | |
| Virginia Facilities | Proposed 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 Power | The 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 | |
| Abbreviation or Acronym | Definition | |
| VOC | Volatile organic compounds | |
| VPFS | Virginia Power Fuel Securitization, LLC | |
| Warren County | A 1,349 MW combined-cycle, natural gas-fired power station in Warren County, Virginia | |
| West Virginia Commission | Public Service Commission of West Virginia | |
| Westinghouse | Westinghouse Electric Company LLC | |
| Wexpro | The legal entity, Wexpro Company, one or more of its consolidated subsidiaries, or the entirety of Wexpro Company and its consolidated subsidiaries | |
| Wexpro Agreement | An agreement which sets forth the rights of Questar Gas to receive certain benefits from Wexpro’s operations, including cost-of-service gas | |
| Wexpro II Agreement | An 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 Agreements | Collectively, 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 | |
| White River Hub | MountainWest White River Hub, LLC (formerly known as White River Hub, LLC) | |
| Wisconsin Commission | Public Service Commission of Wisconsin | |
| WP&L | Wisconsin Power and Light Company, a subsidiary of Alliant Energy Corporation | |
| WPSC | Wisconsin Public Service Corporation, a subsidiary of WEC Energy Group | |
| Wrangler | Wrangler Retail Gas Holdings, LLC, a partnership between Dominion Energy (through March 2022) and Interstate Gas Supply, Inc. | |
| Wyoming Commission | Wyoming Public Service Commission |
Part I
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