Wisconsin Power and Light Co. will expand biomass test burns in 2011, burning larger quantities of biomass for longer durations at the Nelson Dewey Generating Station.

WPL received a Research and Testing Exemption from the Wisconsin Department of Natural Resources that allows for up to a 50 percent co-firing of biomass over a 12-month period within the facility’s two cyclone fired boilers. Factors being examined during the test burns include environmental impacts, supply chain capabilities, material delivery and handling costs and the blending and combustion of biomass based materials.

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