. . "Utah Power and Light" . . . . . . . . "Pacific Power (PacifiCorp)" . "1910" . "Pacific Power & Light Company" . . . . . . "Sierra-Pacific Power" . "Rocky Mountain Power" . . "Mountain States Power" . "Pacific Power and Light" . . . . . . . . "PacifiCorp" . . . . "Pacific Power and Light Company" . "Utah Power and Light Company" . . . "Northwest Electric Company" . . . . . . "5700" . . . . . . . . "Pacific Power" . . . . . "Pacificorp" . "PacifiCorp" . . . . . "Utah Power" . . . . . . . . . . "Pacific Power & Light Co." .