Belarus Country

Nuclear power in Belarus

Belarus has 2 reactors operating with 2,220 MW net installed capacity, 36.6 % of its electricity. First reactor connected in 2021.

Belarus ranks 19th among the 32 countries with operating reactors by net capacity, and 20th by number of reactors. Its first reactor, Astravets 1, started operating in 2021, 5 years ago, and is still in service. All 2 operating units are PWR. That operating capacity is enough to supply about 6,990,000 households.

PWR reactors in Belarus · Rankings

View on the map

Electricity generation mix

Latest year2025
  1. Gas56.2%
  2. Nuclear37.4%
  3. Other fossil3.7%
  4. Bioenergy1.2%
  5. Hydro0.7%
  6. Wind0.5%
  7. Solar0.3%

Share of electricity generation, 2025 (closest earlier year; 2026 has no data) · Ember

% of generation
02550751002014201620182020202220242025

Click a source to show or hide it on the chart

Share of electricity generation by source. Share of electricity generation, 2025 (closest earlier year; 2026 has no data) · Ember. Gas 56.2%, Nuclear 37.4%, Other fossil 3.7%, Bioenergy 1.2%, Hydro 0.7%, Wind 0.5%, Solar 0.3%

Plants

PlantUnitsTypesStatus todayMWe operating
Astravets2PWR2 operating2,220

Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026