AOC, Capitol Power Plant
Natural gas power plant in District of Columbia, District of Columbia. 7.5 MW of nameplate capacity across 1 generator, operated by Architect of the Capitol, Capitol Power Plant.
Also known as EIA plant 63347
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Key facts
- Capacity
- 7.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 2018First generator online
- Operator
- Architect of the Capitol, Capitol Power PlantEIA operator ID 63113
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- District of Columbia, DC38.8827, −77.0074
- EIA plant ID
- 63347EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power AOC, Capitol produces
Free · EIA-923Net generation, 2025
54.4 GWh
54,372 MWh, final
Capacity factor, 2025
82.8%
2024: 82.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2019 to 2025
49.4–57.0
GWh a year. Low 2023, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | 57,028 | 86.8% | 12 of 12 |
| 2020 | 56,649 | 86.0% | 12 of 12 |
| 2021 | 54,692 | 83.2% | 12 of 12 |
| 2022 | 51,509 | 78.4% | 12 of 12 |
| 2023 | 49,412 | 75.2% | 12 of 12 |
| 2024 | 54,466 | 82.7% | 12 of 12 |
| 2025 | 54,372 | 82.8% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combustion Turbine | 7.5 | August 2018 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Architect of the Capitol, Capitol Power Plant as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about AOC, Capitol
How much power does AOC, Capitol Power Plant produce?
AOC, Capitol Power Plant reported 54,372 MWh (54.4 GWh) of net generation in 2025, a 82.8% capacity factor on 7.5 MW of nameplate capacity.
Where is AOC, Capitol Power Plant?
AOC, Capitol Power Plant is in District of Columbia, District of Columbia, at 38.8827, −77.0074. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates AOC, Capitol Power Plant?
EIA-860M for August 2026 lists Architect of the Capitol, Capitol Power Plant as the operator (EIA operator ID 63113). The operator is not always the owner.
When did AOC, Capitol Power Plant start operating?
Its first generator began operating in August 2018, according to EIA-860M.
Does InfraMap have power prices for AOC, Capitol Power Plant?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to AOC, Capitol Power Plant, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page