Electricity production by source in Slovenia
Slovenia: Electricity production by source was 2.18 terawatt-hours in 2025. ▼ Falling
Electricity production by source in Slovenia, 1990–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, electricity production by source in Slovenia stood at 2.18 terawatt-hours. That is the lowest value across all 36 years on record.
The figure is down 37.7% on the previous year and down 50.2% over ten years.
Over the whole period, electricity production by source in Slovenia peaked at 5.48 terawatt-hours in 2007 and was at its lowest, 2.18 terawatt-hours, in 2025.
That places Slovenia 50th out of 211 countries with data for 2025, putting it in the top quarter.
The long-run direction has been consistently falling across the 36 years of available data.
Electricity production by source in Slovenia, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1990 | 3.89 terawatt-hours | — |
| 1991 | 3.62 terawatt-hours | -6.9% |
| 1992 | 4.64 terawatt-hours | +28.2% |
| 1993 | 4.69 terawatt-hours | +1.1% |
| 1994 | 4.61 terawatt-hours | -1.7% |
| 1995 | 4.6 terawatt-hours | -0.2% |
| 1996 | 4.46 terawatt-hours | -3.0% |
| 1997 | 4.71 terawatt-hours | +5.6% |
| 1998 | 4.98 terawatt-hours | +5.7% |
| 1999 | 4.48 terawatt-hours | -10.0% |
| 2000 | 4.61 terawatt-hours | +2.9% |
| 2001 | 4.92 terawatt-hours | +6.7% |
| 2002 | 5.3 terawatt-hours | +7.7% |
| 2003 | 5.11 terawatt-hours | -3.6% |
| 2004 | 5.19 terawatt-hours | +1.6% |
| 2005 | 5.27 terawatt-hours | +1.5% |
| 2006 | 5.43 terawatt-hours | +3.0% |
| 2007 | 5.48 terawatt-hours | +0.9% |
| 2008 | 5.33 terawatt-hours | -2.7% |
| 2009 | 5.13 terawatt-hours | -3.8% |
| 2010 | 5.29 terawatt-hours | +3.1% |
| 2011 | 5.31 terawatt-hours | +0.4% |
| 2012 | 5.14 terawatt-hours | -3.2% |
| 2013 | 4.87 terawatt-hours | -5.3% |
| 2014 | 3.76 terawatt-hours | -22.8% |
| 2015 | 4.38 terawatt-hours | +16.5% |
| 2016 | 5.01 terawatt-hours | +14.4% |
| 2017 | 4.82 terawatt-hours | -3.8% |
| 2018 | 4.62 terawatt-hours | -4.1% |
| 2019 | 4.48 terawatt-hours | -3.0% |
| 2020 | 4.36 terawatt-hours | -2.7% |
| 2021 | 3.85 terawatt-hours | -11.7% |
| 2022 | 3.13 terawatt-hours | -18.7% |
| 2023 | 3.14 terawatt-hours | +0.3% |
| 2024 | 3.5 terawatt-hours | +11.5% |
| 2025 | 2.18 terawatt-hours | -37.7% |
Slovenia compared with similar countries
- Slovenia's 2.18 terawatt-hours is above the median for Europe & Central Asia, which is 0.33 terawatt-hours, 6.6× the median. (51 countries reporting)
Biggest year-on-year movements
Years where Electricity production by source in Slovenia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2025 | -37.7% | 3.5 terawatt-hours | 2.18 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 4.47 terawatt-hours | 3.62 terawatt-hours | 4.98 terawatt-hours | 10 |
| 2000s | 5.18 terawatt-hours | 4.61 terawatt-hours | 5.48 terawatt-hours | 10 |
| 2010s | 4.77 terawatt-hours | 3.76 terawatt-hours | 5.31 terawatt-hours | 10 |
| 2020s | 3.36 terawatt-hours | 2.18 terawatt-hours | 4.36 terawatt-hours | 6 |
Countries ranked near Slovenia
More energy & mining data for Slovenia
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -2.87 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.9% (2024)
Frequently asked questions
- What is electricity production by source in Slovenia?
- Electricity production by source in Slovenia was 2.18 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest electricity production by source recorded in Slovenia?
- The highest recorded value was 5.48 terawatt-hours in 2007.
- What is the lowest electricity production by source recorded in Slovenia?
- The lowest recorded value was 2.18 terawatt-hours in 2025.
- How does Slovenia rank for electricity production by source?
- Slovenia ranks 50th out of 211 countries with data for 2025.
- Is electricity production by source rising or falling in Slovenia?
- Over the last ten years it is down 50.2%. The long-run trend across the full record is falling.
- Where does this Slovenia data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity production by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 36 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours.