How many biomass power plants are in Montana?

2, with 6 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 biomass power plants?

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

Which is the largest biomass power plant in Montana?

Flathead Landfill to Gas Energy Facility, at 3 MW. The table is sorted largest first, so the rest follow it.

Is there a biomass 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 biomass 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. Wood and wood waste, landfill gas, municipal solid waste and other waste biomass. 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.

Biomass Power Plants in Montana

Every operating biomass power plant in Montana on EIA-860M for 2026-07: 2 plants, 3 generating units and 6 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: 2; 3 generating units
Nameplate capacity: 6 MW
Counties: 1
Grid operator: Mixed; no single ISO covers a majority

Map of biomass power plants in Montana

Every one of the 2 plants is drawn at the coordinate EIA files for it.

Loading map…

Biomass · 2

List of biomass power plants in Montana

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

biomass power plants in Montana

Flathead Landfill to Gas Energy FacilityLandfill Gas	Flathead Electric Coop Inc	Flathead	3.2	2	2009	Operating
Stoltze CoGen1Wood/Wood Waste Biomass	F H Stoltze Land & Lumber Co	Flathead	2.8	1	2013	Operating

Largest biomass power plants in Montana

1Flathead Landfill to Gas Energy FacilityFlathead County, Montana3.2 MW
2Stoltze CoGen1Flathead County, Montana2.8 MW

Biomass 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
Flathead	2	6

Biomass Power Plants in Montana: FAQ

How many biomass power plants are in Montana?: 2, with 6 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 biomass power plants?: Yes — the map above. Each dot is one biomass power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest biomass power plant in Montana?: Flathead Landfill to Gas Energy Facility, at 3 MW. The table is sorted largest first, so the rest follow it.
Is there a biomass 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 biomass 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. Wood and wood waste, landfill gas, municipal solid waste and other waste biomass. 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.