Natural gas power plants in Maine

5 operating natural gas power plants in Maine with 1,579 MW of natural gas capacity, largest first. From EIA-860M, August 2026.

Plants

Natural gas capacity

1,579 MW

Net generation, 2025

5.64 TWh

Largest

Westbrook Energy Center Power Plant

564 MW

Largest natural gas power plants in Maine

#	Plant	Natural gas MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Westbrook Energy Center Power PlantCumberland County	564	3,388	68.6%	Westbrook Energy Center
2	Maine Independence StationPenobscot County	550	1,433	29.7%	Casco Bay Energy Co LLC
3	Rumford Power LLCOxford County	275	793	33.0%	Rumford Power
4	Bucksport Generation LLCHancock County	187	0.0*	–	Bucksport Generation LLC
5	Eastern Maine Medical CenterPenobscot County	3.8	30.4	91.2%	Eastern Maine Medical Center

* Fewer than 12 months of 2025 reported, so the total is partial.

Projects where natural gas is the largest fuel or at least a fifth of nameplate capacity. MW is natural gas nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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