AOC, Capitol Power Plant
AOC, Capitol Power Plant is a 8 MW natural gas power plant in District of Columbia County, District of Columbia, operated by Architect of the Capitol, Capitol Power Plant. EIA-860M lists 1 generating unit here, inside PJM. Its unit entered service in 2018.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 7.5 MW
- 7.5 MW net summer
- Generating units
- 1
- In service
- 2018
- EIA plant ID
- 63347
Where it is
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- County
- District of Columbia County, District of Columbia
- Coordinates
- 38.8827, -77.0074
- Balancing authority
- PJM
- Sector
- Commercial CHP
Units, technology and status
- Operator of record
- Architect of the Capitol, Capitol Power Plant
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combustion Turbine
- Status
- Operating
Every plant Architect of the Capitol, Capitol Power Plant reports to EIA →
AOC, Capitol Power Plant: FAQ
- Where is AOC, Capitol Power Plant?
- In District of Columbia County, District of Columbia (DC). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is AOC, Capitol Power Plant?
- 8 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns AOC, Capitol Power Plant?
- EIA-860M names Architect of the Capitol, Capitol Power Plant as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as AOC, Capitol Power Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Architect of the Capitol, Capitol Power Plant here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "AOC, Capitol Power Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is AOC, Capitol Power Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.