This is a list of Railway Electrification Systems in Japan:Overhead line power supply, unless otherwise noted. The rail system consists of the following (As of 2005): * 20,264 km (12,591 mi) of 1,067 mm (3 ft 6 in), of which 13,280 kilometres (8,250 mi) is electrified; * 3,204 km (1,991 mi) of 1,435 mm (4 ft 8+1⁄2 in) standard gauge, all electrified; * 117 km (73 mi) of 1,372 mm (4 ft 6 in) Scotch gauge, all electrified; * 11 km (6.8 mi) of 762 mm (2 ft 6 in) narrow gauge, all electrified.