The first contract is for a power tower project at BrightSource’s Rio Mesa site which is expected to generate 573,000MWh annually. It will employ the company’s LPT technology.

The second contract was approved for a unit at BrightSource’s Sonoran West site designed to generate 733,000MWh a year. It will deploy Solarplus thermal storage system.

BrightSource Energy president and CEO John Woolard said, "The approval of these contracts allows us to build on the technology innovations deployed at our Ivanpah project, and continue driving down costs and improving efficiencies in our next generation plants, while incorporating storage into our power tower systems."