Slovenia
power plants.
Slovenia has 59 operating power plants in the catalog, 3,495 MW in all. The catalog also marks 1 plant as Retired, with 125 MW of capacity. Its operating fleet leans on coal, which accounts for 36.3% of operating capacity (1,267 MW), with hydro a distant second at 30.6%. The largest operating plant in the catalog is Sostanj Power Station (1,029 MW, recorded start year 1977).
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: .
Slovenia 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 Slovenia
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Slovenia
This table includes 2 of the 6 operating plants with a recorded start year of 2023, 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 Slovenia get its electricity?
Across the 59 operating plants in the catalog, Slovenia's capacity is led by coal at 36.3% (1,267 MW), then hydro at 30.6% and nuclear at 20.8%. These are installed-capacity shares, not live generation.
What is the largest power plant in Slovenia?
The largest operating plant in the catalog for Slovenia is Sostanj Power Station, a coal facility with 1,029 MW of capacity and a recorded start year of 1977.
How many power plants does Slovenia have?
The catalog tracks 59 operating power plants in Slovenia, with 3,495 MW in all. It also marks 1 plant as Retired, with 125 MW of capacity.
Can I see Slovenia's power grid on a map?
Yes. Open nrgmap at app.nrgmap.com and search Slovenia 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.