302 tracked · by stage: Under review 146 · Operating 118 · EDA 12 · Construction 9 · MOU 6 · In operation 4 · updated 2026-10-24
| Project | Stage | Technology | Source |
|---|---|---|---|
| Kashiwazaki-Kariwa Unit 6 halted by control rod withdrawal alarm after January 21 restart, restart targeted for February 9 | Operating | Restart | 📎 Power Limited DB |
| Kashiwazaki-Kariwa Restart begins after control rod alarm issue resolved, targeting return to commercial operation on March 18 | Operating | Restart | 📎 Power Limited DB |
| Takahama Nuclear Power Plant Unit 1, Fukui Prefecture Kansai Electric Restarts Takahama Unit 1 (780 MWe PWR) After Over 12 Years, Plans Return to Commercial Operati | In operation | Large Nuclear Plant (PWR) | 📎 World Nuclear News |
| Mutsu, Aomori Pref. Japan’s first off-site spent fuel dry interim storage facility begins operation with NRA approval, allowing st | In operation | Dry interim storage facility for spent nuclear fuel | 📎 World Nuclear News |
| Mihama and Takahama Nuclear Power Plants in Fukui Prefecture Kansai Electric Power completes containment reinforcement, seismic upgrades and fire protection improvements f | In operation | Large Nuclear Plant (PWR) | 📎 World Nuclear News |
| Oarai, Ibaraki JAEA restarted 30 MW HTTR on July 30, 2021 after passing review under new safety standards; plans hydrogen pro | In operation | High-Temperature Gas Reactor (HTGR) | 📎 World Nuclear News |
| Ikata 52 unused fuel assemblies from Ikata Units 1 and 2 to be reassembled at Springfields Fuels in the UK for use i | Operating | Large Nuclear Plant | 📎 Power Limited DB |
| Kashiwazaki-Kariwa Unit 6 grid connection in January 2026, commercial operation targeted for March | Operating | Restart | 📎 Power Limited DB |
| Kashiwazaki-Kariwa Units 6 and 7 restart approved, ¥100 billion in regional investment pledged over the next decade | Operating | Restart | 📎 Power Limited DB |
| Mihama Mihama Unit 3, an 826MW PWR, scheduled to restart June 23 and reach full-power operation July 27 | Operating | Restart | 📎 Power Limited DB |
| UK (new nuclear plant market) / Japan (Fukushima decommissioning and treatment) Operation/Planning/Announcement/Approval | 2012 | Operating | Restart | 📎 Power Limited DB |
| Japan (National) Operation/Planning/Approval/Restart | 2012 | Operating | Restart | 📎 Power Limited DB |
| Japan (National) Start/Announcement | 2012, 2006, October 2010 | Operating | Large Nuclear Plant | 📎 Power Limited DB |
| Shimane 789 MW BWR scheduled for commercial operation in January 2025 following December restart | Construction | Restart | 📎 Power Limited DB |
| Tokai Backup safety facility completion delayed to September 2024; court ruling pending after continued-operation ap | Construction | Restart | 📎 Power Limited DB |