High Quality Content by WIKIPEDIA articles! The Ivanpah Solar Electric Generating System, is a $2.2 billion solar thermal power project currently under construction in the California Mojave Desert, 40 miles (60 km) southwest of Las Vegas, with a planned capacity of 392 megawatts (MW). The project is developed by BrightSource Energy and Bechtel. The largest investor in the project is NRG Energy, a generating company based in Princeton, N.J., that has put in $300 million. The project has received a $1.375 billion loan guarantee from the United States Department of Energy. It will deploy 347,000 heliostat mirrors focusing solar energy on boilers located on centralized solar power towers.