| # | Plant | Region | MW |
|---|---|---|---|
| 1 | Okutataragi | Kyoto | 1,932 |
| 2 | Okumino | Gifu | 1,500 |
| 3 | Okawachi | Hyogo | 1,280 |
| 4 | Shin Takasegawa | Nagano | 1,280 |
| 5 | Okuyoshino | Wakayama | 1,206 |
| 6 | Matanogawa | Tottori | 1,200 |
| 7 | Omarugawa | Miyazaki | 1,200 |
| 8 | Tamahara | Gunma | 1,200 |
| 9 | Shin Toyone | Shizuoka | 1,125 |
| 10 | Imaichi | Tochigi | 1,050 |
| 11 | Okukiyotsu | Niigata | 1,000 |
| 12 | Shimogo | Fukushima | 1,000 |
| 13 | Shiobara | Tochigi | 900 |
| 14 | Kazunogawa | Yamanashi | 800 |
| 15 | Okuyahagi Daini | Gifu | 780 |
| 16 | Numappara | Tochigi | 675 |
| 17 | Azumi | Nagano | 623 |
| 18 | Nabara | Hiroshima | 620 |
| 19 | Hongawa | Ehime | 615 |
| 20 | Tenzan | Saga Prefecture | 600 |
| 21 | Okutadami | Niigata | 560 |
| 22 | Ohira | Kumamoto | 500 |
| 23 | Kannagawa | Nagano | 470 |
| 24 | Kisenyama | Kyoto | 466 |
| 25 | Daini Numazawa | Fukushima | 460 |
| 26 | Tagokura | Niigata | 400 |
| 27 | Ikehara | Mie | 350 |
| 28 | Sakuma | Shizuoka | 350 |
| 29 | Shin Nariwagawa | Okayama | 303 |
| 30 | Mazegawa Daiichi | Gifu | 288 |
| 31 | Tedorigawa Daiichi | Ishikawa | 250 |
| 32 | Midono | Nagano | 245 |
| 33 | Yagisawa | Niigata | 240 |
| 34 | Nagano | Fukui | 220 |
| 35 | Miboro | Gifu | 215 |
| 36 | Niikappu | Hokkaido | 200 |
| 37 | Takami | Hokkaido | 200 |
| 38 | Otori | Niigata | 182 |
| 39 | Shinanogawa | Niigata | 181 |
| 40 | Hitotsuse | Miyazaki | 180 |
| 41 | Jozankei | Hokkaido | 120 |
| 42 | Hatanagi No.2 | Shizuoka | 86 |
| 43 | Yokoyama | Gifu | 70 |
| 44 | Mazegawa No.2 | Gifu | 66 |
| 45 | Tadami | Niigata | 65 |
| 46 | Ikawa | Shizuoka | 62 |
| 47 | Yahagi No.1 | Gifu | 61 |
| 48 | Oshirakawa | Fukui | 59 |
| 49 | Takisato | Hokkaido | 57 |
| 50 | Hoheiko | Hokkaido | 52 |
| 51 | Uryu | Chiba | 51 |
| 52 | Okuniikappu | Hokkaido | 44 |
| 53 | Tokachi | Hokkaido | 40 |
| 54 | Tomura | Hokkaido | 40 |
| 55 | Nokanan | Hokkaido | 30 |
WRI Global Power Plant Database (CC BY 4.0).
This page contains 55 positive-capacity records totalling 27,749 MW. Lifecycle labels, capacity scope and capacity-quality provenance are kept separate so a source-backed capacity is not mistaken for a verified operating status.
| Status | Records |
|---|---|
| Not Reported | 1 |
| Operating | 54 |
| Quality label | Records |
|---|---|
| current source verified gem operating units 2026 | 3 |
| legacy source record not current verified | 6 |
| source verified gem tracker location 2026 | 45 |
| source verified wikidata p2109 strict match | 1 |
Unknown upstream labels remain unclassified; they are never guessed. Download the exact records used here: CSV · JSON with limitations.
