How many oil-fired power plants are in Montana?

1, with 68 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 Montana 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 Montana?

Yellowstone Energy LP, at 68 MW. The table is sorted largest first, so the rest follow it.

Is there a oil-fired power plant near me in Montana?

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 Montana's oil-fired power plants?

No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Montana 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. 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 Montana

Every operating oil-fired power plant in Montana on EIA-860M for 2026-07: 1 plants, 1 generating units and 68 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: 68 MW
Counties: 1
Grid operator: Mixed; no single ISO covers a majority

Map of oil-fired power plants in Montana

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

Loading map…

Petroleum · 1

List of oil-fired power plants in Montana

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

oil-fired power plants in Montana

Yellowstone Energy LPPetroleum Coke	Yellowstone Energy LP	Yellowstone	68	1	1995	Operating

Largest oil-fired power plants in Montana

1Yellowstone Energy LPYellowstone County, Montana68 MW

Oil-fired power plants by county in Montana

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

County	Plants	Nameplate MW
Yellowstone	1	68

Oil-Fired Power Plants in Montana: FAQ

How many oil-fired power plants are in Montana?: 1, with 68 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 Montana 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 Montana?: Yellowstone Energy LP, at 68 MW. The table is sorted largest first, so the rest follow it.
Is there a oil-fired power plant near me in Montana?: 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 Montana's oil-fired power plants?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Montana 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. 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.