EXELON CORP
For the period ended Dec 31, 2024. Filed Feb 12, 2025.
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FY2024 · Filed Feb 12, 2025
EXC$45.65+0.1%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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GLOSSARY OF TERMS AND ABBREVIATIONS
| GLOSSARY OF TERMS AND ABBREVIATIONS | |
|---|---|
| Exelon Corporation and Related Entities | |
| Exelon | Exelon Corporation |
| ComEd | Commonwealth Edison Company |
| PECO | PECO Energy Company |
| BGE | Baltimore Gas and Electric Company |
| Pepco Holdings or PHI | Pepco Holdings LLC (formerly Pepco Holdings, Inc.) |
| Pepco | Potomac Electric Power Company |
| DPL | Delmarva Power & Light Company |
| ACE | Atlantic City Electric Company |
| Registrants | Exelon, ComEd, PECO, BGE, PHI, Pepco, DPL, and ACE, collectively |
| Utility Registrants | ComEd, PECO, BGE, Pepco, DPL, and ACE, collectively |
| Legacy PHI | PHI, Pepco, DPL, ACE, PES, and PCI, collectively |
| BSC | Exelon Business Services Company, LLC |
| EEDC | Exelon Energy Delivery Company, LLC |
| Exelon Corporate | Exelon in its corporate capacity as a holding company |
| Exelon Enterprises | Exelon Enterprises Company, LLC |
| Exelon InQB8R | Exelon InQB8R, LLC |
| PCI | Potomac Capital Investment Corporation and its subsidiaries |
| PEC L.P. | PECO Energy Capital, L.P. |
| PECO Trust III | PECO Energy Capital Trust III |
| PECO Trust IV | PECO Energy Capital Trust IV |
| Pepco Energy Services or PES | Pepco Energy Services, Inc. and its subsidiaries |
| PHI Corporate | PHI in its corporate capacity as a holding company |
| PHISCO | PHI Service Company |
| UII | Unicom Investments, Inc. |
| Former Related Entities | |
| Constellation | Constellation Energy Corporation |
| Generation | Constellation Energy Generation, LLC (formerly Exelon Generation Company, LLC, a subsidiary of Exelon as of December 31, 2021 prior to separation on February 1, 2022) |
| GLOSSARY OF TERMS AND ABBREVIATIONS | |
|---|---|
| Other Terms and Abbreviations | |
| ABO | Accumulated Benefit Obligation |
| AECs | Alternative Energy Credits that are issued for each megawatt hour of generation from a qualified alternative energy source |
| AFUDC | Allowance for Funds Used During Construction |
| AMI | Advanced Metering Infrastructure |
| AOCI | Accumulated Other Comprehensive Income (Loss) |
| ARO | Asset Retirement Obligation |
| ATM | At the market |
| ARP | Alternative Revenue Program |
| BGS | Basic Generation Service |
| BSA | Bill Stabilization Adjustment |
| CBAs | Collective Bargaining Agreements |
| CEJA | Climate and Equitable Jobs Act; Illinois Public Act 102-0662 signed into law on September 15, 2021 |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended |
| CIP | Conservation Incentive Program |
| Clean Air Act | Clean Air Act of 1963, as amended |
| Clean Water Act | Federal Water Pollution Control Amendments of 1972, as amended |
| CMC | Carbon Mitigation Credit |
| CODMs | Chief Operating Decision Makers |
| Conectiv | Conectiv, LLC, a wholly owned subsidiary of PHI and the parent of DPL and ACE during the Predecessor periods |
| DC PLUG | District of Columbia Power Line Undergrounding Initiative |
| DCPSC | District of Columbia Public Service Commission |
| DEPSC | Delaware Public Service Commission |
| DERs | Distributed Energy Resources |
| DOEE | Department of Energy & Environment |
| DPA | Deferred Prosecution Agreement |
| DPP | Deferred Purchase Price |
| DSIC | Distribution System Improvement Charge |
| EDIT | Excess Deferred Income Taxes |
| EIMA | Energy Infrastructure Modernization Act (Illinois Senate Bill 1652 and Illinois House Bill 3036) |
| EPA | United States Environmental Protection Agency |
| ERCOT | Electric Reliability Council of Texas |
| ERISA | Employee Retirement Income Security Act of 1974, as amended |
| EROA | Expected Rate of Return on Assets |
| ETAC | Energy Transition Assistance Charge |
| FEJA | Illinois Public Act 99-0906 or Future Energy Jobs Act |
| FERC | Federal Energy Regulatory Commission |
| GAAP | Generally Accepted Accounting Principles in the United States |
| GCR | Gas Cost Rate |
| GDP | Gross Domestic Product |
| GHG | Greenhouse Gas |
| GSA | Generation Supply Adjustment |
| GWhs | Gigawatt hours |
| ICC | Illinois Commerce Commission |
| GLOSSARY OF TERMS AND ABBREVIATIONS | |
|---|---|
| Other Terms and Abbreviations | |
| IIJA | Infrastructure Investment and Jobs Act |
| IIP | Infrastructure Investment Program |
| Illinois Settlement Legislation | Legislation enacted in 2007 affecting electric utilities in Illinois |
| IPA | Illinois Power Agency |
| IRA | Inflation Reduction Act |
| IRC | Internal Revenue Code |
| IRS | Internal Revenue Service |
| ISOs | Independent System Operators |
| LNG | Liquefied Natural Gas |
| LTIP | Long-Term Incentive Plan |
| LTRRPP | Long-Term Renewable Resources Procurement Plan |
| MDPSC | Maryland Public Service Commission |
| MGP | Manufactured Gas Plant |
| mmcf | Million Cubic Feet |
| MRP | Multi-Year Rate Plan |
| MRV | Market-Related Value |
| MW | Megawatt |
| MWh | Megawatt hour |
| N/A | Not Applicable |
| NAV | Net Asset Value |
| NDT | Nuclear Decommissioning Trust |
| NERC | North American Electric Reliability Corporation |
| NJBPU | New Jersey Board of Public Utilities |
| NOLC | Tax Net Operating Loss Carryforward |
| NPDES | National Pollutant Discharge Elimination System |
| NPNS | Normal Purchase Normal Sale scope exception |
| NPS | National Park Service |
| NRD | Natural Resources Damages |
| OCI | Other Comprehensive Income |
| OPEB | Other Postretirement Employee Benefits |
| PAPUC | Pennsylvania Public Utility Commission |
| PCBs | Polychlorinated Biphenyls |
| PGC | Purchased Gas Cost Clause |
| PJM | PJM Interconnection, LLC |
| PJM Tariff | PJM Open Access Transmission Tariff |
| PLR | Private Letter Ruling |
| POLR | Provider of Last Resort |
| PPA | Purchase Power Agreement |
| PP&E | Property, Plant, and Equipment |
| PRPs | Potentially Responsible Parties |
| PSEG | Public Service Enterprise Group Incorporated |
| RCRA | Resource Conservation and Recovery Act of 1976, as amended |
| REC | Renewable Energy Credit which is issued for each megawatt hour of generation from a qualified renewable energy source |
| Regulatory Agreement Units | Nuclear generating units or portions thereof whose decommissioning-related activities are subject to regulatory agreements with the ICC and PAPUC |
| RES | Retail Electric Suppliers |
| GLOSSARY OF TERMS AND ABBREVIATIONS | |
|---|---|
| Other Terms and Abbreviations | |
| RFP | Request for Proposal |
| Rider | Reconcilable Surcharge Recovery Mechanism |
| RGGI | Regional Greenhouse Gas Initiative |
| ROE | Return on Equity |
| ROU | Right-of-use |
| RPS | Renewable Energy Portfolio Standards |
| RTO | Regional Transmission Organization |
| S&P | Standard & Poor’s Ratings Services |
| SEC | United States Securities and Exchange Commission |
| SOA | Society of Actuaries |
| SOFR | Secured Overnight Financing Rate |
| SOS | Standard Offer Service |
| SSA | Social Security Administration |
| TCJA | Tax Cuts and Jobs Act |
| Transition Bonds | Transition Bonds issued by Atlantic City Electric Transition Funding LLC |
| USAO | United States Attorney's Office for the Northern District of Illinois |
| ZEC | Zero Emission Credit |
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.