Clearwater Paper IPP Lewiston is a biomass-fueled power generation facility located in Lewiston, Idaho, operating under the jurisdiction of the Western Electricity Coordinating Council. The plant utilizes steam turbine technology to achieve an operating capacity of 90.2 megawatts. It is managed by Clearwater Paper Corporation, which also serves as the majority owner and holding company. The facility operates within the power control area of Avista Corporation and is classified as unregulated, allowing for flexible operational strategies in the energy market.