Tsuruga Unit 2

Tsuruga 2 is Japan Atomic Power's 1,108 MWe (net) PWR. In November 2024 it became the first reactor refused restart under Japan's post-Fukushima rules because an active fault under the reactor building could not be ruled out; JAPC is running additional fault surveys to reapply.

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

Current state

Notes

years offline to 2026-10-11.

Timeline

• 2011-05-07 — Tsuruga 2 entered an outage. (source)
• 2015-11-05 — JAPC applied for the NRA conformity review. (source)
• 2024-08-28 — The NRA adopted a draft report finding the unit does not meet standards. (source)
• 2024-11-13 — The NRA formally ruled Tsuruga 2 cannot restart, the first such refusal. (source)
• 2025 — JAPC began additional fault surveys, expected to take about two years, with a view to reapplying. (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. Nuclear Power in Japan — World Nuclear Association, checked 2026-10-11
3. Tsuruga 2 non-compliant with safety standards, regulator rules — World Nuclear News, checked 2026-10-11