The Fukushima Daiichi Nuclear Power Plant (福島第一原子力発電所 Fukushima Daiichi Genshiryoku Hatsudensho) is a disabled nuclear power plant located on a 3.5-square-kilometre (860-acre) site in the towns of Okuma and Futaba in the Futaba District of Fukushima Prefecture Japan. First commissioned in 1971 the plant consists of six boiling water reactors (BWR).