AOC, Capitol Power Plant
25 E St. SE, Washington, DC 20003Plant Summary Information
AOC, Capitol Power Plant is ranked #1 out of 17 power plants in District of Columbia in terms of total annual net electricity generation.
AOC, Capitol Power Plant is comprised of 1 generator and generated 12.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | AOC, Capitol Power Plant |
|---|---|
| Utility Name | Architect of the Capitol, Capitol Power Plant |
| Location | District of Columbia, DC |
| Initial Operation Date | August 2018 |
| Last Update | Dec 2025 |
| Annual Generation | 54.4 GWh |
| Annual Consumption | 835.1 k MMBtu |
| Ranked #4,102 out of 13,081 Power Plants Nationwide | |
| Ranked #1,079 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #1 out of 17 District of Columbia Power Plants | |
| Ranked #1 out of 4 District of Columbia Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
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Monthly Net Generation for AOC, Capitol Power Plant
Monthly Plant Fuel Consumption for AOC, Capitol Power Plant
AOC, Capitol Power Plant Details
| Summary Information | |
|---|---|
| Plant Name | AOC, Capitol Power Plant (63347) |
| Plant Address | 25 E St. SE, Washington, DC 20003 |
| Utility | Architect of the Capitol, Capitol Power Plant (63113) |
| Latitude, Longitude | 38.8827, -77.00744 |
| Generation Dates on File | Jan 2019 to Dec 2025 |
| Initial Operation Date | August 2018 |
| Annual Generation | 54.4 GWh |
| Fuel Types | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | Yes |
| FERC Cogeneration Docket Number | QF20-1298-000 |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Executive, Legislative, and Other General Government Support (921) |
| Sector | Commercial CHP (5) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Potomac Electric Power Co (15270) DC |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Local Distribution Company (LDC) | WASHINGTON GAS LIGHT COMPANY |
| Natural Gas Storage | No |
Generator CTG1 Details Operating August 2018
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NA |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NA |
| Nameplate Capacity | 7.5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 7.5 MW |
| Winter Capacity | 7.5 MW |
| Minimum Load | 7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | August 2018 |
| Combined Heat & Power | Yes |
|---|---|
| Sector Name | Commercial CHP (5) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Supercritical Technology | No |
| Ultrasupercritical Technology | No |
| Other Planned Modifications | No |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 7.5 MW |
| Net Winter Capacity With Natural Gas | 7.5 MW |
| Net Summer Capacity With Oil | 7 MW |
| Net Winter Capacity With Oil | 7 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | No |
AOC, Capitol Power Plant Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1069 | Saint Marys Hospital Power Plant | Rochester, MN | 55.5 GWh |
| #1070 | CH Resources Syracuse | Solvay, NY | 54.8 GWh |
| #1071 | Waterbury Generation | Waterbury, CT | 55.0 GWh |
| #1072 | International Paper Georgetown Mill | Georgetown, SC | 484.7 GWh |
| #1073 | Newington | Newington, NH | 157.4 GWh |
| #1074 | Gillette SBMC | Boston, MA | 54.2 GWh |
| #1075 | Cogeneration 1 | Tucson, AZ | 54.1 GWh |
| #1076 | General Chemical | Green River, WY | 215.9 GWh |
| #1077 | New York Presbyterian Hospital- 68th Street | New York, NY | 54.1 GWh |
| #1078 | Tilton | Tilton, IL | 53.8 GWh |
| #1080 | Osawatomie | Miami, KS | 53.6 GWh |
| #1081 | Cymric 36W Cogen | McKittrick, CA | 53.4 GWh |
| #1082 | Gowanus Gas Turbines Generating | Brooklyn, NY | 61.0 GWh |
| #1083 | Burlington Generating Station | Burlington, NJ | 53.0 GWh |
| #1084 | W&T Onshore Treating Facility (OTF) | Theodore, AL | 52.3 GWh |
| #1085 | Imperial Savannah LP | Port Wentworth, GA | 52.8 GWh |
| #1086 | Silas Ray | Brownsville, TX | 51.9 GWh |
| #1087 | Franklin Heating Station | Rochester, MN | 63.0 GWh |
| #1088 | Ray D Nixon | Fountain, CO | 1.2 TWh |
| #1089 | Warrick | Newburgh, IN | 3.0 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding AOC, Capitol Power Plant.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| CUA West Campus - North (CSG) | Washington, DC | 4.6 GWh | 3.6 mi |
| CUA West Campus - South (CSG) | Washington, DC | 4.7 GWh | 3.6 mi |
| DC Water Solar | Washington, DC | 4.8 GWh | 4.4 mi |
| Gallaudet Uni Community Solar | Washington, DC | 1.7 GWh | 1.8 mi |
| Holly Spring Meadows | District Heights, MD | 2.0 GWh | 5.3 mi |
| IGS CC, LLC | Washington, DC | 1.9 GWh | 4.3 mi |
| JBAB - Washington DC | Washington, DC | 7.9 GWh | 2.1 mi |
| Nationals | Washington, DC | 1.6 GWh | 0.6 mi |
| NCS FCPA LLC | Washington, DC | 1.2 GWh | 3.7 mi |
| NCS Paradise LLC | Washington, DC | 1.6 GWh | 3.4 mi |
| Oxon Run CREF | Washington, DC | 1.0 GWh | 4.2 mi |
| Ridgecrest | Washington, DC | 1.6 GWh | 3 mi |
| Ross Hall Central Utility Plant | Washington, DC | 22.4 GWh | 2.6 mi |
| Sol Phoenix | Capitol Heights, MD | 3.6 GWh | 3.8 mi |
| US GSA Heating and Transmission | Washington, DC | 32.5 GWh | 1.1 mi |
| Walt Bailey Bioenergy Facility | Washington, DC | 50.0 GWh | 4.3 mi |
| WMATA - Anacostia CSG | Washington, DC | 1.7 GWh | 1.4 mi |
| WMATA - Naylor Rd. Metro | Temple Hills, MD | 2.6 GWh | 3.5 mi |
| WMATA - S. Ave. Carport (East) (CSG) | Hillcrest Heights, MD | 2.5 GWh | 3.4 mi |
| WW-DC Solar 1, LLC | Washington, DC | 962.0 MWh | 4 mi |