Railway electrification in Japan

This is a list of railway electrification systems in Japan.

All lines use an overhead line power supply unless otherwise noted. , the rail system consists of the following:

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

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.

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