How many biomass power plants are in Idaho?

11, with 149 MW of nameplate capacity between them, spread over 9 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of Idaho 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 Idaho?

Clearwater Paper IPP Lewiston, at 114 MW. The table is sorted largest first, so the rest follow it.

Is there a biomass power plant near me in Idaho?

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 Idaho's biomass power plants?

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

Every operating biomass power plant in Idaho on EIA-860M for 2026-07: 11 plants, 23 generating units and 149 MW of nameplate capacity across 9 counties.

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: 11; 23 generating units
Nameplate capacity: 149 MW
Counties: 9
Grid operator: Mixed; no single ISO covers a majority

Map of biomass power plants in Idaho

Every one of the 11 plants is drawn at the coordinate EIA files for it.

Loading map…

Biomass · 11

List of biomass power plants in Idaho

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

biomass power plants in Idaho

Clearwater Paper IPP LewistonWood/Wood Waste Biomass	Clearwater Paper Corporation	Nez Perce	113.8	4	1950	Out of service and NOT expected to return to service in next calendar year
Tamarack EnergyWood/Wood Waste Biomass	Tamarack Energy	Adams	6.2	1	1983	Operating
Plummer CogenWood/Wood Waste Biomass	Stimson Lumber Company	Benewah	6.2	1	1982	Out of service and NOT expected to return to service in next calendar year
Milner Butte LFGELandfill Gas	Southern Idaho Solid Waste	Cassia	3.9	3	2018	Operating
Hidden Hollow EnergyLandfill Gas	Hidden Hollow Energy LLC	Ada	3.2	2	2007	Operating
Fighting Creek LFGTE PlantLandfill Gas	Kootenai Renewable Energy LLC	Kootenai	3.2	2	2012	Operating
Bannock County LFG to EnergyLandfill Gas	Bannock County Landfill - (ID)	Bannock	3.2	2	2014	Operating
West Point RNGOther Waste Biomass	Camco International Group, Inc.	Gooding	3.2	2	2024	Operating
Cargill B6 BiofactoryOther Waste Biomass	Pico Energy, LLC	Gooding	2.2	2	2009	Operating
Kettle Butte Digester, LLCOther Waste Biomass	Kettle Butte Digester, LLC	Jefferson	1.8	2	2011	Operating
Big Sky Dairy DigesterOther Waste Biomass	DF-AP #1 LLC	Gooding	1.6	2	2009	Operating

Largest biomass power plants in Idaho

1Clearwater Paper IPP LewistonNez Perce County, Idaho113.8 MW
2Tamarack EnergyAdams County, Idaho6.2 MW
3Plummer CogenBenewah County, Idaho6.2 MW
4Milner Butte LFGECassia County, Idaho3.9 MW
5Hidden Hollow EnergyAda County, Idaho3.2 MW
6Fighting Creek LFGTE PlantKootenai County, Idaho3.2 MW
7Bannock County LFG to EnergyBannock County, Idaho3.2 MW
8West Point RNGGooding County, Idaho3.2 MW
9Cargill B6 BiofactoryGooding County, Idaho2.2 MW
10Kettle Butte Digester, LLCJefferson County, Idaho1.8 MW

Biomass power plants by county in Idaho

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

County	Plants	Nameplate MW
Nez Perce	1	113.8
Gooding	3	7
Adams	1	6.2
Benewah	1	6.2
Cassia	1	3.9
Ada	1	3.2
Bannock	1	3.2
Kootenai	1	3.2
Jefferson	1	1.8

Biomass Power Plants in Idaho: FAQ

How many biomass power plants are in Idaho?: 11, with 149 MW of nameplate capacity between them, spread over 9 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of Idaho 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 Idaho?: Clearwater Paper IPP Lewiston, at 114 MW. The table is sorted largest first, so the rest follow it.
Is there a biomass power plant near me in Idaho?: 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 Idaho's biomass power plants?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Idaho 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.