Takahama Unit 2

Takahama 2 is a 780 MWe (net) Kansai Electric PWR that restarted in September 2023 after a 12-year halt, completing the return of all seven Kansai reactors cleared under the post-Fukushima rules. It is operating and resumed commercial operation after an inspection in July 2026.

Background: Palisades fuel loading: Holtec restart timeline and what comes next · NRC reactor licensing process, explained

Current state

Timeline

• 2011-11-25 — Takahama 2 entered an outage. (source)
• 2016-04-20 — The NRA officially approved Takahama 1 and 2. (source)
• 2023-09-15 — Kansai restarted Takahama 2, Japan's 12th post-Fukushima restart. (source)
• 2023-10-16 — The unit resumed commercial operation. (source)
• 2025-11-04 — The NRA approved its long-term facility management plan. (source)
• 2026-07-16 — Takahama 2 restarted commercial operation after a periodic inspection. (source)

The timeline is append-only: corrections are added as new entries. Stated targets appear in the current-state table, never as milestones.

Related units

• Genkai Unit 3 Restarted · Japan
• Genkai Unit 4 Restarted · Japan
• Hamaoka Unit 3 Cancelled · Japan
• Hamaoka Unit 4 Cancelled · Japan
• Higashidori Unit 1 (Tohoku Electric) Under review · Japan
• Ikata Unit 3 Restarted · Japan
• Kashiwazaki-Kariwa Unit 6 Restarted · Japan
• Kashiwazaki-Kariwa Unit 7 Approved · Japan

See all 45 units in the Nuclear Plant Restarts Tracker →

Sources

1. Current Status of Nuclear Power Plants in Japan as of August 7, 2026 — Japan Atomic Industrial Forum (JAIF) (primary), checked 2026-10-11
2. Current Status of Nuclear Power Plants in Japan as of March 14, 2019 — Japan Atomic Industrial Forum (JAIF) (primary), checked 2026-10-11
3. Nuclear Power in Japan — World Nuclear Association, checked 2026-10-11
4. Takahama No. 2 nuclear reactor restarted after 12-year halt — EUCI (Kyodo), checked 2026-10-11
5. Restarted Takahama-1 Now Operating Beyond 40 Years, the Second Case in Japan — JAIF, checked 2026-10-11