BrightSource's LPT solar thermal system is currently being deployed at the (ISEGS) in California's Mojave Desert. Ivanpah, which started construction in October 2010, is the first project that will deliver power to serve the company's signed contracts with PG&E and Southern California Edison. The project - which counts NRG Solar, Google and BrightSource as equity investors - is currently the largest solar plant under construction in the world. The project is being constructed by Bechtel. A 377 megawatt net solar complex using mirrors to focus the power of the sun on solar receivers atop power towers.