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Reactor TrackerJapan

Ohma-1

ABWR · 1,325 MWe · Suspended

Current state

StatusSuspended
DesignABWR (BWR)
Net capacity1,325 MWe
CountryJapan
VendorHitachi-GE
Owner / operatorJ-Power
Construction start2010
Original COD target
Current COD estimate
Schedule slippage

Notes

Construction paused post-Fukushima; full-MOX ABWR. Verified 2026-08-09 against the current WNA reactor table, IAEA PRIS, and WNN reporting.

Milestone log

  • 2026-06-16Listed as under construction in the WNA world table (source)

The milestone log is append-only: corrections are recorded as new entries, never rewrites. Full history via /api/v1/changes.

Sources

  1. https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide
  2. https://pris.iaea.org/pris/