The Unit 6 was offline only for a day. The outages at the Alamitos gas-fired power facility are generally short-lived.

The Alamitos plant is situated approximately 25 miles South of Los Angeles in Long Beach in Los Angeles County. It has a total power generation capacity of 1,997MW.

The Alamitos plant comprises six units which include Units 1 and 2 with generation capacity of 175MW each, Unit 3 with 332MW capacity, Unit 4 with 335MW capacity, Unit 5 with 485MW capacity and Unit 6 with 495MW of power generation capacity.

Unit 1, 2,3,4,5 and 6 commenced operations in 1956, 1957, 1961, 1962, 1964 and 1966 respectively. One MW of power generated from the plant can serve approximately 650 homes in Southern California.