As a locally managed, wholly owned subsidiary of Berkshire Hathaway Energy Company, PacifiCorp is a leading western U.S. ener ... gy services provider and the largest grid owner/operator in the West. Serving 2 million customers across 143,000 square miles in six western states, we will continue to grow our renewable resources and transition to a lower carbon future. PacifiCorp is comprised of two business units: Pacific Power (www.pacificpower.net), headquartered in Portland, Ore., serves customers in Oregon, Washington and California; and Rocky Mountain Power (www.rockymountainpower.net), headquartered in Salt Lake City, Utah serves customers in Utah, Wyoming and Idaho. read more