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Hydro overtook coal on Slovenia's grid in 2018.

Today hydro supplies 27% and coal 15%.

Hydro share
27%
ahead since 2018
Clean share
79%
in 2025
Total output
15TWh
a year
Per person
7,010kWh
a year
Compare SloveniaSee it on the map
Slovenia · mix since 2000
20002025
WindSolarOtherHydroNuclearGasCoal
Slovenia's electricity is cleaner than the world average. 183 grams of CO2e a kilowatt-hour against a world figure of 458 — 60% below.

What this grid depends on

Three measures that say more about a country than how much power it makes. Open “what this means” on any of them if the term is new.

Carbon intensity
183g CO₂e per kWh

Cleaner than 8 in 10 grids worldwide.

What this means

How much planet-warming gas is released to make one unit of electricity. Two countries can generate exactly the same amount and one of them be ten times dirtier doing it. Lower is better.

Electricity exported
4% of what it makes

Slovenia generates a surplus and sells it on.

What this means

The share of what this country generates that is sold abroad rather than used at home. A country can only export if it produces more than it needs, which usually means plentiful hydro, nuclear or wind.

Energy independence
41out of 100 · Dependent

More of its fuel is bought in than produced at home.

What this means

How much of what this grid runs on the country can supply itself. Sun, wind and water count fully, because nobody can cut them off; coal, gas and oil only as far as the country digs them up. A high score is not the same as a good grid: mining your own coal scores well, importing uranium scores badly.

Also true of Slovenia

Slovenia gets next to none of its electricity from wind, in a region built on it.

49% of grids in Europe draw more than a tenth of their power from wind.

Slovenia has taken the carbon out of its electricity fast.

317 grams of CO2e a kilowatt-hour in 2015, 183 in 2025.

Slovenia has no dominant fuel at all.

Its largest single source supplies just 39% of the grid.

Slovenia’s neighbours

Figures are for 2025, the most recent year reported for Slovenia. Generation shares are a percentage of electricity generated, not of energy used. How this is calculated.