Railway electrification in Japan

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Japan's conventional mainline railway network schematic map showing electrification systems with voltages and frequencies as of 2017. Third-sector railways are included. Shinkansen exclusive-use trackage is not included. Municipal subways and other rapid transit networks are not included. Private railways are not included.

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):[1]

  • 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+12 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.

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.

1,500 V DC[]

1,067 mm gauge[]

Name Notes
Agatsuma Line  
Aichi Loop Line  
Aichi Rapid Transit HSST-Maglev, third rail
Aizu Railway Aizu Line (Aizu-TajimaAizukōgen-Ozeguchi)  
Akabane Line  
Akō Line  
Alpico Kōtsū Kamikōchi Line  
Bantan Line (Himeji - Teramae)  
Chōshi Electric Railway Line  
Chiba Urban Monorail Suspended monorail, third rail, side contact.
Chichibu Railway Chichibu Main Line  
 
Chikuhi Line (Meinohama - Karatsu)  
Chūō Main Line  
Chūō-Sōbu Line Officially part of Chūō Main Line and Sōbu Main Line
Dosan Line (Tadotsu - Kotohira)  
Echigo Line  
Fujikyuko Line  
Fukuchiyama Line  
Fukuen Line (Fukuyama - Fuchū)  
Fukuoka Municipal Subway Hakozaki Line  
Fukuoka Municipal Subway Kūkō Line  
Fukushima Kōtsū Iizaka Line  
Gakkentoshi Line Official name is Katamachi Line.
Gakunan Railway  
Gotemba Line  
Hachikō Line (Hachioji - Komagawa)  
Hakubi Line  
Hakushin Line  

1,435 mm gauge[]

Name Notes
Hankyu Arashiyama Line  
Fukuoka Municipal Subway Nanakuma Line Linear motors
Hankyū Imazu Line  
Hankyū Itami Line  
Hankyū Kōbe Main Line  
Hankyū Kōyō Line  
Hankyū Kyōto Main Line  
Hankyū Minoo Line  
Hankyu Senri Line  
Hankyu Takarazuka Main Line  

750 V DC[]

Name Voltage Gauge Notes
Enshū Railway Line 750 V DC 1,067 mm  
Osaka Municipal Subway Chūō Line 750 V DC 1,435 mm Third rail
Osaka Municipal Subway Midosuji Line 750 V DC 1,435 mm Third rail
Osaka Municipal Subway Sennichimae Line 750 V DC 1,435 mm Third rail
Osaka Municipal Subway Tanimachi Line 750 V DC 1,435 mm Third rail
Osaka Municipal Subway Yotsubashi Line 750 V DC 1,435 mm Third rail
Hiroshima Rapid Transit Astram Line 750 V DC People mover Third rail, Side contact
Iyotetsu Yokogawara Line 750 V DC 1,067 mm  
Iyotetsu Gunchū Line 750 V DC 1,067 mm  
Kintetsu Keihanna Line 750 V DC 1,435 mm Third rail
Kintetsu Hachiōji Line 750 V DC 762 mm Third rail
Kintetsu Utsube Line 750 V DC 762 mm  
Kita-Osaka Kyuko Railway 750 V DC 1,435 mm Third rail
Sapporo Municipal Subway Namboku Line 750 V DC Rubber-tyred metro third rail
Sangi Railway Hokusei Line 750 V DC 762 mm  
Seibu Yamaguchi Line 750 V DC People mover Third rail
Tokyo Monorail 750 V DC Straddle–beam monorail Side contact
Yamaman Yūkarigaoka Line 750 V DC People mover Under-floor contact
Yokohama Municipal Subway Blue Line 750 V DC 1,435 mm Third rail
Kanazawa Seaside Line 750 V DC People mover Third rail

600 V DC[]

1,067 mm gauge[]

Name Notes
Enoshima Electric Railway  
Fukui Railway Fukubu Line  
Kumamoto Electric Railway  
Man'yōsen Shinminatokō Line  
Man'yōsen Takaoka Kidō Line  
Okayama Electric Tramway  
Sapporo Streetcar  
 
Iyotetsu Takahama Line  
Shizuoka Railway Shizuoka–Shimizu Line  
Tosaden Kōtsū Gomen Line  
Tosaden Kōtsū Ino Line  
Tosaden Kōtsū Sanbashi Line  
Toyama City Tram Line  
Toyama Chihō Railway Toyamakō Line  
Toyohashi Railroad Azumada Main Line  

1,435 mm gauge[]

Name Notes
Chikuhō Electric Railroad Line  
Eizan Electric Railway  
Hankai Tramway Hankai Line  
Hankai Tramway Uemachi Line  
Hiroden Eba Line  
Hiroden Hakushima Line  
Hiroden Main Line  
Hiroden Miyajima Line  
Hiroden Ujina Line  
Hiroden Yokogawa Line  
Kagoshima City Tram  
Keifuku Electric Railroad  
Kumamoto City Tram  
Nagasaki Electric Tramway  

Other gauges[]

25 kV AC[]

50 Hz, AC systems[]

Name Voltage Gauge Notes
Hokuriku Shinkansen (Tokyo – Karuizawa, Jōetsumyōkō – Itoigawa) 25 kV AC 50 Hz 1,435 mm  
Hokkaido Shinkansen 25 kV AC 50 Hz 1,435 mm  
Jōetsu Shinkansen 25 kV AC 50 Hz 1,435 mm  
Tōhoku Shinkansen 25 kV AC 50 Hz 1,435 mm  
Yamagata Shinkansen 25 kV AC 50 Hz 1,435 mm  

60 Hz, AC systems[]

Name Voltage Gauge Notes
Hokuriku Shinkansen (Karuizawa – Jōetsumyōkō, Itoigawa – Tsuruga) 25 kV AC 60 Hz 1,435 mm  
Tōkaidō Shinkansen 25 kV AC 60 Hz 1,435 mm  
Sanyō Shinkansen 25 kV AC 60 Hz 1,435 mm  
Kyushu Shinkansen 25 kV AC 60 Hz 1,435 mm  

20 kV AC[]

50 Hz, AC systems[]

Name Operator Gauge Notes
AbukumaExpress 1,067 mm  
Aoimori Railway Aoimori Railway Company 1,067 mm Metoki - Aomori
Akita Shinkansen JR East 1,435 mm Officially part of Tazawako Line and Ōu Main Line.
Banetsu West Line   1,067 mm Kōriyama - Kitakata
Chitose Line   1,067 mm  
Esashi Line   1,067 mm  
Hakodate Main Line(HakodateShin-Hakodate-Hokuto, and OtaruAsahikawa)   1,067 mm  
Iwate Galaxy Railway Line   1,067 mm  
Jōban Line   1,067 mm Toride – Mito
Kaikyō Line   1,067 mm  
Mito Line   1,067 mm Except near the Oyama Station.
Muroran Main Line   1,067 mm Muroran - Junction point to Chitose Line.
Ōu Main Line   1,435 mm  
Sasshō Line   1,067 mm SōenHokkaidō-Iryōdaigaku
Sendai Airport Transit   1,067 mm  
Senzan Line   1,067 mm  
Sōya Main Line (Asahikawa – Kita-Asahikawa Freight Terminal)   1,067 mm The electricity is used for dead mileage only, trains for service are operated with DMUs
Tazawako Line   1,435 mm  
Tōhoku Main Line   1,067 mm Kuroiso – Morioka
Tsugaru Line   1,067 mm Aomori - Junction point to Kaikyō Line.
Tsukuba Express   1,067 mm Miraidaira- Tsukuba
Uetsu Main Line   1,435 mm Majima – Akita

60 Hz, AC systems[]

Name Operator Gauge Notes
Chikuhō Main Line (Orio - Keisen) JR Kyushu 1,067 mm  
Hisatsu Orange Railway (Yatsushiro -Sendai) Hisatsu Orange Railway 1,067 mm  
Hōhi Main Line (Kumamoto - Higo-Ōzu, and near the Ōita Station)   1,067 mm  
Kagoshima Main Line   1,067 mm  
Miyazaki Kūkō Line   1,067 mm  
Nagasaki Main Line (New Line)   1,067 mm  
Nichinan Line (Minami-Miyazaki - Tayoshi)   1,067 mm  
Nippō Main Line   1,067 mm  
Ōmura Line (HaikiHuis Ten Bosch)   1,067 mm  
San'yō Main Line (Shimonoseki - Moji)   1,067 mm  
Sasaguri Line   1,067 mm  
Sasebo Line   1,067 mm  
Kagoshima Main Line   1,067 mm  
Hokuriku Main Line JR West 1,067 mm Tsuruga - Kanazawa

600 V AC[]

  • Kobe New Transit Port Island Line – 600 V AC 60 Hz three–phase, People mover, side contact
  • Kobe New Transit Rokkō Island Line – 600 V AC 60 Hz three–phase, people mover, side contact
  • Osaka Municipal Nanko Port Town Line – 600 V AC 60 Hz three–phase, people mover, side contact
  • Saitama New Urban Transit Ina Line (New Shuttle) – 600 V AC 50 Hz three–phase, people mover, side contact
  • Nippori-Toneri Liner – 600 V AC 50 Hz three–phase, people mover, side contact
  • Yurikamome – 600 V AC 50 Hz three–phase, People mover, side contact

References[]

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