By TED GRIGGS, The Advocate
NEW ROADS, La. – NRG Energy Inc. had a bold experiment in mind in 2009 burning switchgrass and sorghum along with coal at its New Roads power plant in what could lead this year to a full-fledged biomass program. The effort failed when the crops yielded only a fraction of the expected biomass, a company spokesman said.
“We planted a warm-weather variant of switchgrass, a cold-weather variant of switchgrass and the sorghum. The result was we did not get a usable crop,” NRG spokesman David Knox said.
NRG wanted to find out if the company could grow enough biomass locally to replace about 10 percent of the coal used…
However…the crops were only about 60 percent of what was expected.
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