BrightSource’s LPT solar thermal system is operating at the Ivanpah Solar Electric Generating System (ISEGS) in California’s Mojave Desert. Ivanpah, which began commercial operation in 2013, is delivering power to PG&E and Southern California Edison. The project is currently the largest solar thermal power plant in the world. Ivanpah was constructed by Bechtel and is operated by NRG Energy one of the project’s equity investors.