Utah's largest electricity producer is asking for help in providing clean energy for the state's power needs.

Rocky Mountain Power on Wednesday issued a request for renewable electricity-generation projects that could be put into use along with the company's already existing energy portfolio.

The company will accept proposals for resource types including wind power, geothermal and solar. The company said it already generates one-third of its renewable energy from contract producers.

Rocky Mountain Power has a resource plan that calls for the company to provide 2,000 megawatts of supplemental, renewable energy by 2013, said company spokesman David Eskelsen. The company has developed more than 400 megawatts over the past 18 months.

The request for proposals calls for up to 200 megawatts in 2008 and up to 100 megawatts in 2009, he said.

The utility has set a March 31 deadline for the proposals, with complete evaluations by May 9. A short list of contending proposals will be announced soon thereafter, and final agreements with developers are expected by June 30.

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