This is a list of Railway Electrification Systems in Japan: Overhead line power supply, unless otherwise noted. The rail system consists of the following ():

of , of which is electrified; of , all electrified; of Scotch gauge, all electrified; of narrow gauge, all electrified.

Railway electrification in Japan

Electrification systems used by the Japan Railways Group, Japan's formerly state-owned operators, are 1,500 V DC and 20 kV AC for conventional lines and mini Shinkansen and 25 kV AC for Shinkansen. Electrification at 600 V DC and 750 V DC are also seen in private lines and non-rail based transit systems. The frequency of the AC power supply is 50 Hz in Eastern Japan and 60 Hz in Western Japan.

Railway electrification in Japan

DC electrified

200 V

440 V

600 V

1,067 mm gauge

1,435 mm gauge

Other gauges

750 V

1,500 V

1,067 mm gauge

1,435 mm gauge

other gauges

AC electrified

600 V 50 Hz

600 V 60 Hz

20 kV, 50 Hz

20 kV, 60 Hz

25 kV, 50 Hz

25 kV, 60 Hz

References

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Japan

Railway electrification in Japan