| Name | Operator | Notes |
|---|
| Agatsuma Line | JR East | |
| Echigo Line | |
| Hachikō Line (Hachioji – Komagawa, Kita-Fujioka – Kuragano) | Komagawa – Kita-Fujioka section is not electrified, for Kita-Fujioka – Kuragano section, only trains of Takasaki Line may use for switch-back, trains of Hachikō Line remain use DMU |
| Hakushin Line | |
| Itō Line | |
| Itsukaichi Line | |
Jōban Line (Nippori – Toride)
| Dead section between Toride – Fujishiro, 20 kV, 50 Hz electrified north of the dead section |
| Jōetsu Line | Except Echigo-Yuzawa – Gala-Yuzawa (de facto Shinkansen section, 25 kV, 50 Hz electrified) |
| Karasuyama Line (within Karasuyama Station, for charging purpose) | While not de jure considered electrified line, all trains except reserved cruise trains are using battery EMU |
| Kashima Line | |
| Kawagoe Line | |
| Keiyō Line | |
| Mito Line (Near Oyama Station) | Dead section between Oyama – Otabayashi, 20 kV, 50 Hz electrified east of the dead section |
| Musashino Line | |
| Nambu Line | |
| Narita Line | |
| Negishi Line | |
| Nikkō Line | |
| Ōito Line (Matsumoto – Minami-Otari) | JR West section (Minami-Otari – Itoigawa) is not electrified |
| Ōme Line | |
| Ryōmō Line | |
| Sagami Line | |
| Saikyo Line | |
| Senseki Line | Except freight-only Rikuzen-Yamashita – Ishinomakikō and Senseki-Tōhoku Line connection (Matsushima – Takagimachi), where both are not electrified |
| Shin'etsu Main Line | Except freight-only Kami-Nuttari signal base – Higashi-Niigatakō (not electrified) |
| Shinonoi Line | |
Sōbu Main Line
| Except freight-only Shinkoiwa shingōjō – Etchūjima Kamotsu (not electrified) |
| Sotobō Line | |
| Takasaki Line | |
| Tōgane Line | |
Tōhoku Main Line (Tokyo – Kuroiso)
| Dead section between Kuroiso – Takaku, 20 kV, 50 Hz electrified north of the dead section |
| Tsurumi Line | |
| Uchibō Line | |
| Uetsu Main Line (Niitsu – Murakami) | Dead section between Murakami – Majima, 20 kV, 50 Hz electrified northeast of the dead section |
| Yahiko Line | |
| Yamanote Line | |
| Yokohama Line | |
| Yokosuka Line | |
Chūō Main Line
| JR East, JR Central | |
Tōkaidō Main Line
| JR East, JR Central, JR West | Except freight-only Sannō signal base – Nagoya Minato |
| Gotemba Line | JR Central | |
| Iida Line | |
| Minobu Line | |
| Taketoyo Line | Except freight-only tracks near Ōbu Station |
Kansai Main Line (Nagoya – Kameyama, Kamo – JR Namba)
| JR Central, JR West | Kameyama – Kamo section is not electrified |
| Akō Line | JR West | |
| Bantan Line (Himeji – Teramae) | Teramae – Wadayama section is not electrified |
| Fukuchiyama Line | |
| Fukuen Line (Fukuyama – Fuchū) | Fuchū – Shimo-Kawabe section was electrified during 1954–1962, then demolished, Shimo-Kawabe – Shiomachi section is never electrified |
| Hakubi Line | |
| Hanwa Line | |
| Hokuriku Main Line (Maibara – Tsuruga) | Dead section between Tsuruga – Minami-Imajō, 20 kV, 60 Hz electrified northeast of the dead section |
| JR Tōzai Line | |
| Kakogawa Line | |
| Kansai Airport Line | Concurrent with Nankai Airport Line within Sky Gate Bridge R |
| Katamachi Line | |
| Kisei Main Line (Wakayamashi – Shingū) | JR Central section (Shingū – Kameyama) is not electrified |
| Kabe Line | |
| Kosei Line | |
| Kure Line | |
| Kusatsu Line | |
| Maizuru Line | |
| Nanao Line (Naka-tsubata – Wakuraonsen) | Dead section between Tsubata – Naka-tsubata, 20 kV, 60 Hz electrified near Tsubata Station, partially concurrent with another same named line of Noto Railway (see below) |
| Nara Line | |
| Obama Line | |
| Onoda Line | |
| Osaka Higashi Line | |
| Osaka Loop Line | |
| Sakai Line (Yonago – Gotō depot) | Only for dead mileage purpose of San'in Main Line trains in Gotō depot, trains of Sakai Line are all using DMU, not de jure considered electrified line, the rest Sakai Line is not electrified |
| Sakurai Line | |
| Sakurajima Line | |
San'in Main Line (Kyōoto – Kinosaki Onsen, Hōki-Daisen – Nishi-Izumo)
| Kinosaki Onsen – Hōki-Daisen, and Nishi-Izumo – Hatabu sections are not electrified |
| Ube Line | |
| Uno Line | |
| Wakayama Line | |
| Honshi-Bisan Line | JR West, JR Shikoku | |
| Dosan Line (Tadotsu – Kotohira) | JR Shikoku | Kotohira – Kubokawa section is not electrified |
| Yosan Line (Takamatsu – Iyoshi) | Iyoshi – Uwajima section is not electrified |
| San'yō Main Line (Kōbe – Shimonoseki) | JR West, JR Kyushu | Dead section between Shimonoseki – Moji (at Kyushu gate of Kanmon Railway Tunnel), 20 kV, 60 Hz electrified within Moji Station (except a freight-only track, to which its dead section is located west of Moji Station) |
| Chikuhi Line (Meinohama – Karatsu) | JR Kyushu | Karatsu – Imari section is not electrified |
| Karatsu Line (Karatsu – Nishi-Karatsu) | Kubota – Karatsu section is not electrified |
| Aichi Loop Line | Aichi Loop Railway | |
| Aizu Line (Aizu-Tajima – Aizukōgen-Ozeguchi) | Aizu Railway | As of 2022, all trains of Aizu Railway are DMUs, electrification is used by Tobu Railway trains, the rest Aizu Line is not electrified |
| Kamikōchi Line | Alpico Kōtsū | |
| Chichibu Main Line | Chichibu Railway | |
| Mikajiri Line | Freight line |
| Myōkō Haneuma Line | Echigo Tokimeki Railway | was a part of Shin'etsu Main Line until 2015 |
| Nihonkai Hisui Line (Kajiyashiki – Naoetsu) | Dead section between Echigo Oshiage Hisui Kaigan – Kajiyashiki, 20 kV, 60 Hz electrified west of the dead section, was a part of Hokuriku Main Line until 2015 |
| Fujikyuko Line | Fuji Kyuko | |
| Fukuoka City Subway Hakozaki Line | Fukuoka City Transportation Bureau | |
| Fukuoka City Subway Kūkō Line | |
| Iizaka Line | Fukushima Transportation | |
| Gakunan Railway Line | Gakunan Electric Train | |
| Hakone Tozan Line (Odawara – Hakone-Yumoto) | Hakone Tozan Railway | include dual gauge section (see below)the rest 1,435 mm gauge section (Hakone-Yumoto – Gōra) uses 750 V, dead section within Hakone-Yumoto |
| Hokuhoku Line | Hokuetsu Express | |
| Asanogawa Line | Hokuriku Railroad | |
| Ibara Line (Sōja – Kiyone) | Ibara Railway | All Ibara Railway trains are DMU, electrification is used by JR West |
| Kita-Matsue Line | Ichibata Electric Railway | |
| Taisha Line | |
| Iga Line | Iga Railway | Was operated by Kintetsu until 2007 |
| Daiyūzan Line | Izuhakone Railway | |
| Sunzu Line | |
| Izu Kyūkō Line | Izukyū | |
| Jōmō Line | Jomo Electric Railway | |
| Joshin Line | Jōshin Electric Railway | |
| Inokashira Line | Keio Corporation | |
| Domyoji Line | Kintetsu Railway | |
| Gose Line | |
| Minami Osaka Line | |
| Nagano Line | |
| Yoshino Line | |
| Ao Line | Kobe Electric Railway | |
| Arima Line | |
| Kobe Kosoku Line | |
| Kōen-Toshi Line | |
| Sanda Line | |
| Kōnan Line | Kōnan Railway | |
| Ōwani Line | |
| Airport Line | Meitetsu | |
| Bisai Line | |
| Chikkō Line | |
| Chita New Line | |
| Gamagōri Line | |
| Hashima Line | |
| Hiromi Line | |
| Inuyama Line | |
| Kakamigahara Line | |
| Komaki Line | |
| Kōwa Line | |
| Mikawa Line | |
| Nagoya Main Line | |
| Nishio Line | |
| Seto Line | |
| Takehana Line | |
| Toyokawa Line | |
| Tokoname Line | |
| Toyota Line | |
| Tsushima Line | |
| Tsukuba Express (Akihabara – Moriya) | Metropolitan Intercity Railway Company | Dead section between Moriya – Miraidaira, 20 kV, 50 Hz electrified north of the dead section |
| Mizuma Line | Mizuma Railway | |
| Nagano Line | Nagano Electric Railway | |
| Aonami Line | Nagoya Rinkai Rapid Transit | |
| Airport Line | Nankai Electric Railway | Concurrent with JR Kansai Airport Line within Sky Gate Bridge R |
| Kada Line | |
| Koya Line | |
| Nankai Main Line | |
| Takashinohama Line | |
| Tanagawa Line | |
| Wakayamako Line | |
| Kaizuka Line | Nishi-Nippon Railroad | |
| Nanao Line (Nanao – Wakuraonsen) | Noto Railway | The rest of Noto Railway Nanao Line is not electrified, and the only electrified section is concurrent with another same named line of JR West above |
| Enoshima Line | Odakyu Electric Railway | |
| Odawara Line | |
| Tama Line | |
| Main Line | Ohmi Railway | |
| Taga Line | |
| Yōkaichi Line | |
| Ikawa Line (Abt Ichishiro – Nagashima Dam) | Ōigawa Railway | The electrified section is an abt rack section, rest sections of Ikawa Line are not electrified |
| Ōigawa Main Line | |
| Nagareyama Line | Ryutetsu | |
| Atsugi Line | Sagami Railway | Freight line |
| Izumino Line | |
| Shin-Yokohama Line | |
| Sotetsu Main Line | |
| Saitama Rapid Railway Line | Saitama Railway Corporation | |
| Sangi Line | Sangi Railway | |
| Chichibu Line | Seibu Railway | |
| Haijima Line | |
| Ikebukuro Line | |
| Kokubunji Line | |
| Sayama Line | |
| Seibuen Line | |
| Shinjuku Line | |
| Tamagawa Line | |
| Tamako Line | |
| Toshima Line | |
| Yūrakuchō Line | |
| Semboku Rapid Railway Line | Semboku Rapid Railway | |
| Sendai Subway Namboku Line | Sendai City Transportation Bureau | |
| Kita-Shinano Line | Shinano Railway | Was a part of Shin'etsu Main Line until 2015 |
| Shinano Railway Line | Was a part of Shin'etsu Main Line until 1997 |
| Daishi Line | Tobu Railway | |
Isesaki Line
| |
| Kameido Line | |
| Kinugawa Line | |
| Kiryū Line | |
| Koizumi Line | |
| Nikkō Line | |
| Ogose Line | |
| Sano Line | |
| Tōjō Line | |
| Urban Park Line | |
| Utsunomiya Line | |
| Chiyoda Line | Tokyo Metro | |
| Fukutoshin Line | |
| Hanzomon Line | |
| Hibiya Line | |
| Namboku Line | |
| Tozai Line | |
| Yūrakuchō Line | |
| Toei Mita Line | Tokyo Metropolitan Bureau of Transportation | |
| Rinkai Line | Tokyo Waterfront Area Rapid Transit | |
| Den-en-toshi Line | Tokyu Railway | |
| Ikegami Line | |
| Kodomonokuni Line | |
| Meguro Line | |
| Ōimachi Line | |
| Tamagawa Line | |
| Tōyoko Line | |
| Fujikoshi Line | Toyama Chihō Railway | |
| Kamidaki Line | |
| Main Line | |
| Tateyama Line | |
| Tōyō Rapid Railway Line | Toyo Rapid Railway | |
| Atsumi Line | Toyohashi Railroad | |
| Kamiiida Line | Transportation Bureau City of Nagoya | |
| Nagoya Municipal Subway Sakura-dōri Line | |
| Nagoya Municipal Subway Tsurumai Line | |
| Bessho Line | Uedadentetsu | |
| Kishigawa Line | Wakayama Electric Railway | |
| Miyafuku Line | Willer Trains | All trains of Willer Trains are DMU, JR West run EMU through trains in both lines |
| Miyazu Line (Miyazu – Amanohashidate) |
| Aizu Kinugawa Line | Yagan Railway | |
| Minatomirai Line | Yokohama Minatomirai Railway | |
| Yōrō Line | Yoro Railway | Was operated by Kintetsu until 2007 | |
| Name | Operator | Gauge | Notes |
|---|
| Chitose Line | JR Hokkaido | 1,067 mm | Include Chitose Airport branch |
| Hakodate Main Line (Hakodate – Shin-Hakodate-Hokuto, Otaru – Asahikawa) | Shin-Hakodate-Hokuto – Otaru section is not electrified |
| Kaikyō Line (Naka-Oguni – Shin-nakaoguni signal base) | Dead section within Shin-nakaoguni signal base, 25 kV electrified north of dead section, only freight trains and Train Suite Shikishima cruise train may run after 2016 |
| Muroran Main Line (Muroran – Higashi-Muroran – Numanohata) | Oshamambe – Higashi-Muroran, and Numanohata – Iwamizawa section is not electrified |
| Sasshō Line | All non-electrified sections are abandoned in 2020 |
| Sōya Main Line (Asahikawa – Kita-Asahikawa Freight Terminal) | Only for dead mileage purpose of Hakodate Main Line trains, and for freight trains, passenger trains of Sōya Main Line are using DMUs, as the rest of line is not electrified |
| Akita Shinkansen | JR East | 1,435 mm | Mini-Shinkansen, concurrent with Tazawako Line (nearly all line) and Ōu Main Line (Ōmagari – Akita) |
| Banetsu West Line (Kōriyama – Kitakata) | 1,067 mm | As of 2022, no EMUs are running west of Aizu-Wakamatsu, Aizu-Wakamatsu – Kitakata electrification is therefore planned to be abandoned,[2] the rest of line are not electrified |
| Jōban Line (Fujishiro – Iwanuma) | Dead section between Toride – Fujishiro, 1,500 V electrified south of the dead section |
| Mito Line (Otabayashi – Tomobe) | Dead section between Oyama – Otabayashi, 1500 V electrified near the Oyama Station |
| Oga Line (within Oga Station, for charging purpose) | While not de jure considered electrified line, all trains are using battery EMU |
| Ōu Main Line | mixed 1,067 mm and 1,435 mm in different sections (see the line article) | except the mainly-freight transport Tsuchizaki – Akita Port section which is not electrifiedConcurrent with Yamagata Shinkansen (Fukushima – Shinjō) and Akita Shinkansen (Ōmagari – Akita) |
| Senzan Line | 1,067 mm | |
| Tazawako Line | 1,435 mm | Concurrent with Akita Shinkansen (nearly all line) |
| Tōhoku Main Line (Takaku – Morioka) | 1,067 mm | Except Senseki-Tōhoku Line connection (Matsushima – Takagimachi) which is not electrified, dead section between Kuroiso – Takaku, 1500 V electrified south of the dead section |
| Tsugaru Line (Aomori – Shin-nakaoguni signal base) | Tsugaru Line trains north of Kanita are using DMUs, the electrification north of Kanita is for Kaikyō Line trains (see above) |
| Uetsu Main Line (Majima – Akita) | 1,435 mm | Except freight-only Sakata – Sakatakō, dead section between Murakami – Majima, 1,500 V electrified southwest of the dead section |
| Yamagata Shinkansen | Mini-Shinkansen, concurrent with Ōu Main Line (Fukushima – Shinjō) |
| Abukuma Express Line | 20 kV AC 50 Hz | AbukumaExpress | 1,067 mm | |
| Aoimori Railway Line | Aoimori Railway | formerly part of Tohoku Main Line until 2010 |
| Iwate Galaxy Railway Line | IGR Iwate Galaxy Railway | formerly part of Tohoku Main Line until 2002 |
| Tsukuba Express (Miraidaira – Tsukuba) | Metropolitan Intercity Railway Company | Dead section between Moriya – Miraidaira, 1,500 V electrified south of the dead section |
| Sendai Airport Line | Sendai Airport Transit | |
| South Hokkaido Railway Line (Satsukari – Goryōkaku) | South Hokkaido Railway | Dead section between Kikonai – Satsukari, 25 kV electrified west of dead section, passenger trains (except Train Suite Shikishima cruise train) are using DMU, while freight trains are drag by electric locomotivesformerly part of Esashi Line until 2016 | |
| Name | Operator | Gauge | Notes |
|---|
| Hokuriku Main Line (Minami-Imajō – Kanazawa) | JR West | 1,067 mm | Dead section between Tsuruga – Minami-Imajō, 1500 V electrified southwest of the dead section |
| Nanao Line (within Tsubata) | Dead section between Tsubata – Naka-Tsubata, 1500 V electrified north of the dead section |
| Chikuhō Main Line (Orio – Keisen) | JR Kyushu | Wakamatsu – Orio, and Keisen – Haruda sections are not electrified, but for the first non-electrified section, all trains are using battery EMUs since 2016 |
| Hōhi Main Line (Kumamoto – Higo-Ōzu, Shimogōri signal base – Ōita) | The second electrified section is a dead mileage purpose section for Nippō Main Line trains, Hōhi Main Line trains east of Higo-Ōzu are DMUs, as Higo-Ōzu – Shimogōri is not electrified |
| Kagoshima Main Line | |
| Kashii Line (within Kashii Station, for charging purpose) | While not de jure considered electrified line, all trains are using battery EMU |
| Miyazaki Kūkō Line | |
| Nagasaki Main Line (Tosu – Hizen-Hama) | South of the Hizen-Hama, the main route was electrified during 1976–2022, abandoned due to opening of the Nishi Kyushu Shinkansen, now being demolished, the old route (Nagayo branch) was never electrified |
| Nichinan Line (Minami-Miyazaki – Tayoshi) | The rest of Nichinan Line is not electrified |
| Nippō Main Line | |
| Ōmura Line (Haiki – Huis Ten Bosch) | The line south of Huis Ten Bosch is not electrified |
| San'yō Main Line (within Moji Station) | Dead section between Shimonoseki – Moji (at Kyushu gate of Kanmon Railway Tunnel), 1500 V electrified north of the dead section (see above) |
| Sasaguri Line | |
| Sasebo Line | |
| Ainokaze Toyama Railway Line | Ainokaze Toyama Railway | was a part of Hokuriku Main Line until 2015 |
| Nihonkai Hisui Line (Ichiburi – Echigo Oshiage Hisui Kaigan) | Echigo Tokimeki Railway | Dead section between Echigo Oshiage Hisui Kaigan – Kajiyashiki, 1500 V electrified east of the dead section, was a part of Hokuriku Main Line until 2015 |
| Hisatsu Orange Railway Line | Hisatsu Orange Railway | was a part of Kagoshima Main Line until 2004, except the 36plus3 limited express and freight trains, all other passenger trains are using DMUs |
| IR Ishikawa Railway Line | IR Ishikawa Railway | was a part of Hokuriku Main Line until 2015 | |
