The utility's request for proposals seeks 120MW from projects that will be operational by the end of 2012 and another 125MW from projects ready to go by 31 December 2014.
Projects may include landfill gas, biomass, solar, hydropower, wind and other sources approved by state utility regulators.
Detroit Edison is working toward a power portfolio including 10% renewable energy by 2015 to meet the state’s renewable energy goals.
