First Wind to Sell Solar Power From Utah to Buffett Unit

First Wind Holdings Inc., a Boston-based renewable-energy developer, has agreed to sell power from seven Utah solar farms to a utility owned by Warren Buffett’s Berkshire Hathaway Inc.

Four solar farms planned for Beaver County and three for Iron County will sell power to PacifiCorp, a subsidiary of Berkshire Hathaway, First Wind said today in a statement. Construction is expected to begin later this year and end by mid-2015.

The projects, which combined will produce 20 megawatts, will power about 4,000 homes. Rocky Mountain Power, a unit of PacifiCorp, is buying the electricity under a 20-year contract.

A First Wind solar project began generating power last month in Massachusetts, where another is planned for later this year. The company also is developing solar farms in Hawaii.

“We have a strong expertise in developing wind assets, and in developing solar, there’s a lot of similarities,” John LaMontagne, a company spokesman, said today in a telephone interview. “It’s been a natural transition for us.”

Terms of the power purchase agreements weren’t disclosed.

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