CountryNuclear power in Ukraine
Ukraine has 15 reactors operating with 13,107 MW net installed capacity, 55.8 % of its electricity. 2 under construction. 4 shut down. First reactor connected in 1978.
Ukraine ranks 7th among the 32 countries with operating reactors by net capacity, and 8th by number of reactors. Its first reactor, Chernobyl 1, started operating in 1978, 48 years ago. All 15 operating units are PWR. The highest-capacity plant in operation is Zaporizhzhia, with 5,700 MW net, and the oldest unit still in service is Rivne 1, operating since 1981. There are 2 units under construction at Khmelnitski.
LWGR reactors in Ukraine · PWR reactors in Ukraine · Rankings
Electricity generation mix
Share of electricity generation, 2022 (closest earlier year; 2026 has no data) · Ember
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Plants
| Plant | Units | Types | Status today | MWe operating |
|---|---|---|---|---|
| Zaporizhzhia | 6 | PWR | 6 operating | 5,700 |
| South Ukraine | 3 | PWR | 3 operating | 2,850 |
| Rivne | 4 | PWR | 4 operating | 2,657 |
| Khmelnitski | 4 | PWR | 2 operating2 under construction | 1,900 |
| Chernobyl | 4 | LWGR | 4 shut down | — |
Data: IAEA PRIS · Global Energy Monitor · Wikipedia · updated on Sep 17, 2026