Portland General Electric Company has agreed to buy select power plants and utility operations of Berkshire Hathaway’s PacifiCorp in Washington State for $1.9 billion, the Portland-based firm said on Tuesday. The price of the acquisition represents a purchase price multiple of 1.4 times the estimated 2026 rate base. As part of the deal, Portland General Electric (PGE) will buy three generation facilities: the Chehalis gas-powered plant with a capacity of 477 megawatts (MW), the Goodnoe Hills wind facility with 94 MW…