CountryNuclear power in Belgium
Belgium has 2 reactors operating with 2,056 MW net installed capacity, 33.1 % of its electricity. 6 shut down. First reactor connected in 1962.
Belgium ranks 20th among the 32 countries with operating reactors, both by net capacity and by number of reactors. Its first reactor, BR3 3, started operating in 1962, 64 years ago. All 2 operating units are PWR. The highest-capacity plant in operation is Tihange, with 1,030 MW net, and the oldest unit still in service is Doel 4, operating since 1985. In total, 6 units have been permanently shut down, the last 3 of them in 2025.
PWR reactors in Belgium · Rankings
Electricity generation mix
Share of electricity generation, 2025 (closest earlier year; 2026 has no data) · Ember
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- DOEL 4: planned outage of 1,026 MW · Planned maintenance · Nord Pool
- DOEL 4: planned outage of 1,026 MW · Planned maintenance · Nord Pool
- TIHANGE 3: Planned outage of 1,030 MW · Planned maintenance · Nord Pool
- TIHANGE 3: Planned outage of 1,000 MW · Planned maintenance · Nord Pool
- TIHANGE 3: Scheduled outage, 1,030 MW unavailable · ENTSO-E
- TIHANGE 3: Planned outage of 1,030 MW · Planned maintenance · Nord Pool
- TIHANGE 3: Scheduled outage, 1,030 MW unavailable · ENTSO-E
- TIHANGE 3: derate to 950 MW (92% of 1,030 MW), scheduled · Planned maintenance · Nord Pool
Plants
| Plant | Units | Types | Status today | MWe operating |
|---|---|---|---|---|
| Tihange | 3 | PWR | operating2 shut down | 1,030 |
| Doel | 4 | PWR | operating3 shut down | 1,026 |
| BR3 | 1 | PWR | shut down | — |
Data: IAEA PRIS · Global Energy Monitor · Wikipedia · updated on Sep 17, 2026