How many other power plants are in Maine?

1, with 22 MW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.

Is there a map of Maine other power plants?

Yes — the map above. Each dot is one power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest power plant in Maine?

Twin Rivers Paper Co LLC, at 22 MW. The table is sorted largest first, so the rest follow it.

Is there a power plant near me in Maine?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs Maine's other power plants?

No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Maine is largely a vertically integrated utility rather than an organised market.

How current is this, and what is left out?

EIA-860M for 2026-07. Other gases, flywheels and units EIA files under "All Other". Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Other Power Plants in Maine

Every operating power plant in Maine on EIA-860M for 2026-07: 1 plants, 1 generating units and 22 MW of nameplate capacity across 1 county.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 1; 1 generating units
Nameplate capacity: 22 MW
Counties: 1
Grid operator: Mixed; no single ISO covers a majority

Map of other power plants in Maine

Every one of the 1 plants is drawn at the coordinate EIA files for it.

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Other · 1

List of other power plants in Maine

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

other power plants in Maine

Twin Rivers Paper Co LLCAll Other	Twin Rivers Paper Co LLC	Aroostook	22	1	1987	Operating

Largest other power plants in Maine

1Twin Rivers Paper Co LLCAroostook County, Maine22 MW

Other power plants by county in Maine

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Aroostook	1	22

Other Power Plants in Maine: FAQ

How many other power plants are in Maine?: 1, with 22 MW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.
Is there a map of Maine other power plants?: Yes — the map above. Each dot is one power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest power plant in Maine?: Twin Rivers Paper Co LLC, at 22 MW. The table is sorted largest first, so the rest follow it.
Is there a power plant near me in Maine?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs Maine's other power plants?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Maine is largely a vertically integrated utility rather than an organised market.
How current is this, and what is left out?: EIA-860M for 2026-07. Other gases, flywheels and units EIA files under "All Other". Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.