How many oil-fired power plants are in Maine?

3, with 901 MW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of Maine oil-fired power plants?

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

Which is the largest oil-fired power plant in Maine?

William F Wyman Hybrid, at 863 MW. The table is sorted largest first, so the rest follow it.

Is there a oil-fired 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 oil-fired power plants?

Most of them sit inside ISO New England, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.

How current is this, and what is left out?

EIA-860M for 2026-07. Petroleum liquids and petroleum coke. Many are peakers or standby units. 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.

Oil-Fired Power Plants in Maine

Every operating oil-fired power plant in Maine on EIA-860M for 2026-07: 3 plants, 9 generating units and 901 MW of nameplate capacity across 2 counties, most of it inside ISO New England.

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: 3; 9 generating units
Nameplate capacity: 901 MW
Counties: 2
Grid operator: ISO New England; covers most of these plants

Map of oil-fired power plants in Maine

Every one of the 3 plants is drawn at the coordinate EIA files for it.

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Petroleum · 3

List of oil-fired power plants in Maine

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

oil-fired power plants in Maine

William F Wyman Hybrid2 technologies	FPL Energy Wyman LLC	Cumberland	862.7	5	1957	Operating
Cape Gas TurbinePetroleum Liquids	FPL Energy Cape LLC	Cumberland	35	2	1970	Operating
Robbins Lumber2 technologies	Robbins Lumber Inc	WALDO	3.2	2	1981	Operating

Largest oil-fired power plants in Maine

1William F Wyman HybridCumberland County, Maine862.7 MW
2Cape Gas TurbineCumberland County, Maine35 MW
3Robbins LumberWALDO County, Maine3.2 MW

Oil-fired 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
Cumberland	2	897.7
WALDO	1	3.2

Oil-Fired Power Plants in Maine: FAQ

How many oil-fired power plants are in Maine?: 3, with 901 MW of nameplate capacity between them, spread over 2 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of Maine oil-fired power plants?: Yes — the map above. Each dot is one oil-fired power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest oil-fired power plant in Maine?: William F Wyman Hybrid, at 863 MW. The table is sorted largest first, so the rest follow it.
Is there a oil-fired 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 oil-fired power plants?: Most of them sit inside ISO New England, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
How current is this, and what is left out?: EIA-860M for 2026-07. Petroleum liquids and petroleum coke. Many are peakers or standby units. 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.