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Reactor TrackerUkraine

Khmelnitski-4

VVER-1000 (V-392B) · 1,035 MWe · Suspended

Current state

StatusSuspended
DesignVVER-1000 (V-392B) (PWR)
Net capacity1,035 MWe
CountryUkraine
VendorRosatom lineage/Energoatom
Owner / operatorEnergoatom
Construction start1987
Original COD target—
Current COD estimate—
Schedule slippage—

Notes

Verified 2026-09-22: unit 4 is ~28% complete (WNA Ukraine profile). Completion plan still under government review; no construction restart as of 2026-09-22. Status remains suspended. WNA lists Khmelnitski 3 as suspended in its under-construction table.

Milestone log

  • 2026-06-16 — Listed as under construction in the WNA world table (source)
  • 2025-02-11 — Verkhovna Rada approved purchase of Russian-made equipment from Bulgaria for completion of Khmelnitski units 3 and 4 (source)
  • 2025-02 — Ukraine's government weighing two options to complete units 3 and 4 (Bulgarian VVER equipment vs alternative supply chains, incl. AP1000 components from cancelled US VC Summer project) (source)

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

NNN coverage

On the VVER-1000 design

Sources

  1. https://world-nuclear.org/information-library/current-and-future-generation/plans-for-new-reactors-worldwide
  2. https://world-nuclear.org/information-library/country-profiles/countries-t-z/ukraine
  3. https://www.ukrinform.net/rubric-economy/4110127-experts-weigh-two-options-to-complete-khmelnytskyi-npp-moe-shmyhal.html
  4. https://www.kyivpost.com/post/73444