The power plant is jointly owned and operated by Sempra Energy and Occidental Petroleum. The Elk Hills 525MW station is located in Taft in Kern County, California.

The combined-cycle power station has two 156 MW gas turbines and one 213 MW steam turbine.

The Sempra Energy companies develop energy infrastructure, operate utilities, and provide related products and services. Sempra, of San Diego, owns and operates approximately 3,000MW of power generating capacity, markets energy and other commodities. As reported, the company transmits and distributes electricity to approximately 1.3 million and natural gas to approximately 6.4 million customers in California.

Occidental Petroleum engages in oil and gas exploration and production in the US and the Middle East.