The Westinghouse AP600 reactor has been designed as part of the Advanced Light Water Reactor (ALWR) Program sponsored by the U.S. DOE and EPRI. Following an extensive review by the U.S. Nuclear Regulatory Commission, the AP600 received final design approval on September 3, 1998. A detailed design program (FOAKE-First-of-a-Kind-Engineering) was completed under the sponsorship of DOE, the Advanced Reactor Corporation (ARC), and EPRI.