Biomass Power Plants in the Western USA
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Emmet Location: ID Operator: Boise Cascade Configuration: 1 X 15 MW CHP Operation: 1985 (ret 2001) Fuel: wood Boiler supplier: Zurn T/G supplier: Siemens EPC: NEPCO Quick Facts: This plant had two fixed-grate boilers installed in 1982 and converted to cogeneration operation three years later. Photograph courtesy of
NEPCO |
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 |
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 Boiler supplier: ?? T/G supplier: ?? 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 |
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Snowflake 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 new 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 |
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
www.nwtf.org
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Abbreviations: BFB = bubbling fluidized bed, CE = Combustion Engineering, ESP = electrostatic precipitator, GE = General Electric , T/G = turbine generator, tpd = tons per day, tpy = tons per yr
Data: industcards, Platts UDI World Electric Power Plants Data Base
Updated 10/04/08