Biomass Power Plants in the Western USA - other states
Eagle Valley
Location: CO
Operator: Eagle Valley Clean Energy LLC
Configuration: 1 X 11.5 MW
Operation: 2013
Fuel: wood
Boiler supplier: Wellons
T/G supplier: Siemens
EPC: Wellons
Quick Facts: This is Colorado's first purpose-built biomass plant and it was developed to use about 250 tpd of wood from beetle-killed trees in a 50 to 75mi haul radius. The $56mn facility in Gypsum went online in Dec 2013. the U.S. Department of Agriculture provided a $40 million loan guarantee.

Photograph courtesy of Wellons
Posted 5 Oct 2014

Location: ID
Operator: Boise Cascade
Configuration: 1 X 15 MW CHP
Operation: 1985 (ret 2001)
Fuel: wood
Boiler supplier: Zurn
T/G supplier: Siemens
Quick Facts: This plant had two fixed-grate boilers installed in 1982 and converted to cogeneration operation three years later.

Photograph courtesy of NEPCO
Posted 21 Aug 2004

Kettle Falls
Location: WA
Operator: Avista Corp
Configuration: 1 X 46 MW
Operation: 1983
Fuel: wood
Boiler supplier: CE
T/G supplier: GE
Quick Facts: Plant construction started in June 1981 and the plant was finished ahead of schedule in Dec 1983 when Kettle Falls became the first utility-owned plant in the U.S. fired entirely by wood waste. It has a traveling grate, spreader stoker boiler and an ESP from Flakt Inc. The plant is designed to burn 500,000tpy of wood waste from about 15 log processing plants located in Washington, British Columbia, and Idaho.

Photograph courtesy of Power
Posted 13 Feb 2004

Pu'unene Mill
Location: HI
Operator: Hawaiian Commercial & Sugar Co
Configuration: 1 X 10 MW, 1 X 20 MW, 1 X 16 MW CHP
Operation: 1972-2000
Fuel: bagasse, coal
Boiler supplier: Riley, Foster Wheeler
T/G supplier: ABB
Quick Facts: HC&S is Maui's largest agricultural operation and the state's most productive sugarcane business working 37,000ac. The Pu'unene Mill burns about 500,000tpy of bagasse. Maui Electric purchases 12 MW of firm power from the factory.

Photograph courtesy of Hawaiian Commercial & Sugar Co
Posted 10 Aug 2008

Seneca Cogen
Location: OR
Operator: Seneca Sustainable Energy LLC
Configuration: 1 X 19.8 MW CHP
Operation: 2011
Fuel: wood
Boiler supplier: Wellons
T/G supplier: GE
EPC: Wellons
Quick Facts: This CHP plant has a 6ac site adjacent to Seneca Sawmill Company’s lumber manufacturing complex. 100% of the electricity generated isĀ sold to Eugene Water and Electric Board. Groundbreaking was in Jan 2009 and the unit was synchronzied on 3 Feb 2011. Fuel burn is about 135,000tpy of sawmill and forest residuals.

Photograph courtesy of Seneca Sustainable Energy LLC
Posted 21 Nov 2015

Location: AZ
Operator: Renegy Holdings Inc
Configuration: 1 X 24 MW
Operation: 2008
Fuel: wood, paper waste
Boiler supplier: B&W
T/G supplier: GE
EPC: Evergreen Engineering, Crown E&C
Quick Facts: This $53mn plant was completed in Apr 2008 and went into full operation in Jun and has 20yr PPAs with Arizona Public Services and Salt River Project. The site is adjacent to a Catalyst Paper newsprint mill west of Snowflake formerly owned by Abitibi. Babcock and Wilcox retrofit a boiler re-located from Abitibi’s Sheldon TX mill with an open-bottom BFB combustor. The Sheldon mill also supplied other plant equipment including conveyors and screw presses. Snowflake’s fuel is woody waste material and thinnings from nearby forest lands plus 250tpd of waste recycled paper fibers. The plant is connected to the grid though an existing digital substation and dedicated 69KV line to Cholla power station.

Photograph courtesy of Salt River Project
Posted 11 Jun 2008

Stone Forest
Location: AZ
Operator: Western Renewable Energy
Configuration: 1 X 3 MW
Operation: 2004
Fuel: wood
Boiler supplier: ??
T/G supplier: ??
Quick Facts: This $4mn project was funded by Arizona Public Service and involved conversion of an existing sawmill for power generation. The plant burns about 96tpd of dead wood and forest thinnings from Apache-Sitgreaves National Forest.

Photograph courtesy of
Posted 27 Jan 2007


Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 21-Nov-2015