Slovakia
power plants.
Slovakia has 259 operating power plants in the catalog, 6,908 MW in all. The catalog also marks 2 plants as Retired, with 1,132 MW of capacity. Its operating fleet leans on nuclear, which accounts for 35.8% of operating capacity (2,471 MW), with hydro a distant second at 31.8%. The largest operating plant in the catalog is Mochovce Nuclear Power Plant (1,471 MW, recorded start year 1998).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Slovakia electricity mix
Operating installed capacity by fuel. Each row gives megawatts and its share of the operating total.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest plants in Slovakia
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Slovakia
This table includes 10 of the 27 operating plants with a recorded start year of 2025, largest first. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
Where does Slovakia get its electricity?
Across the 259 operating plants in the catalog, Slovakia's capacity is led by nuclear at 35.8% (2,471 MW), then hydro at 31.8% and natural gas at 15%. These are installed-capacity shares, not live generation.
What is the largest power plant in Slovakia?
The largest operating plant in the catalog for Slovakia is Mochovce Nuclear Power Plant, a nuclear facility with 1,471 MW of capacity and a recorded start year of 1998.
How many power plants does Slovakia have?
The catalog tracks 259 operating power plants in Slovakia, with 6,908 MW in all. It also marks 2 plants as Retired, with 1,132 MW of capacity.
Can I see Slovakia's power grid on a map?
Yes. Open nrgmap at app.nrgmap.com and search Slovakia to fly to it. Every tracked plant is a marker sized by capacity and coloured by fuel, with the national fuel mix in the side panel.