Largest power plants in District of Columbia

The 21 largest power plants in District of Columbia by nameplate capacity, from EIA-860M for August 2026, with 2025 net generation from EIA-923.

Plants

Nameplate capacity

72 MW

Net generation, 2025

198 GWh

19 of 21 plants reported

Largest

Walt Bailey Bioenergy Facility

14 MW

All 21 by nameplate capacity

#	Plant	MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Walt Bailey Bioenergy FacilityDistrict of Columbia · Biomass	14	50.6	41.0%	DC Water
2	US GSA Heating and TransmissionDistrict of Columbia · Natural gas	11	34.4	36.3%	US GSA Heating and Transmission
3	AOC, Capitol Power PlantDistrict of Columbia · Natural gas	7.5	54.4	82.8%	Architect of the Capitol, Capitol Power Plant
4	JBAB - Washington DCDistrict of Columbia · Solar	5.9	7.9	15.3%	JBAB Solar I, LLC.
5	Ross Hall Central Utility PlantDistrict of Columbia · Natural gas	4.6	22.4	55.7%	The George Washington University
6	V Street SolarDistrict of Columbia · Solar	4.1	0.8	–	V Street Solar, LLC
7	DC Water SolarDistrict of Columbia · Solar	3.5	4.8	15.6%	Marbury Point Solar LLC
8	CUA West Campus - North (CSG)District of Columbia · Solar	3.0	4.6	17.4%	Standard Solar
9	CUA West Campus - South (CSG)District of Columbia · Solar	2.8	4.7	19.2%	Standard Solar
10	Gallaudet Uni Community SolarDistrict of Columbia · Solar	2.0	1.7	–	SMS DC CS01B, LLC
11	Oxon Run CREFDistrict of Columbia · Solar	2.0	1.0	5.9%	Oxon Run Community Renewable Energy Facility
12	RidgecrestDistrict of Columbia · Solar	1.7	1.6	10.5%	Greenbacker Renewable Energy Corporation
13	IGS CC, LLCDistrict of Columbia · Solar	1.5	1.9	14.5%	Greenbacker Renewable Energy Corporation
14	DC WaterDistrict of Columbia · Solar	1.3	0.3	–	Azimuth 180 Solar Electric, LLC
15	NCS Paradise LLCDistrict of Columbia · Solar	1.3	1.6	14.1%	New Columbia Solar
16	WW-DC Solar 1, LLCDistrict of Columbia · Solar	1.2	1.0	9.2%	Altus Power America Management, LLC
17	WMATA - Anacostia CSGDistrict of Columbia · Solar	1.1	1.7	17.4%	MN8 Energy LLC
18	NCS FCPA LLCDistrict of Columbia · Solar	1.1	1.2	12.1%	New Columbia Solar
19	NationalsDistrict of Columbia · Solar	1.0	1.6	18.7%	Terraform Arcadia
20	7185 13th Pl. NWDistrict of Columbia · Solar	0.9	–	–	New Columbia Solar
21	Benning RoadDistrict of Columbia · Solar	0.8	–	–	Azimuth 180 Solar Electric, LLC

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for District of Columbia

Solar farms in District of Columbia17 plants · 35 MW Natural gas power plants in District of Columbia3 plants · 23 MW

All plants in District of Columbia Largest power plants in the US