Slovenia's alternative and nuclear energy (% of total energy use) was 33.14% in 2024, the latest year in the World Bank's World Development Indicators. That is down 0.31 percentage points from 33.45% in 2014.
Key figures
| Value | Year | |
|---|---|---|
| Latest | 33.14% | 2024 |
| Five years earlier | 28.64% | 2019 |
| Ten years earlier | 33.45% | 2014 |
| Highest | 33.45% | 2014 |
| Lowest | 22.87% | 2003 |
| Average since 2015 | 29.84% | 2015–2024 |
| First recorded | 25.53% | 1990 |
What the numbers say
In 2024, Slovenia's alternative and nuclear energy (% of total energy use) rose 0.53 percentage points on 2023 (from 32.61% to 33.14%).
Across the 30 yearly changes before that (1994 to 2023), the average change was +0.29 percentage points and a typical year strayed about 2.33 percentage points from that (the standard deviation). This year's change was 0.1 standard deviations above that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.
On record, the biggest yearly rise was 6.91 percentage points in 2014 and the biggest yearly fall was 5.45 percentage points in 2015. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.
From 2015 to 2024 the straight-line trend is upward, about 0.49 percentage points a year. A straight line explains 47% of the movement over 10 observed years.
Worked out from the yearly values above. How the checks work: standard deviation, z-scores and straight-line trends.
How it compares
In 2024, Slovenia had the 14th highest value of the 149 economies reporting that year. Higher is not always better: for some indicators the lowest value is the one to aim for. See the full ranking.
| Value | Year | |
|---|---|---|
| Slovenia | 33.14% | 2024 |
| World | 11.16% | 2024 |
| Europe & Central Asia | 16.76% | 2024 |
| High income | 14.59% | 2024 |
Closest to Slovenia in the 2024 ranking
- Finland — 11th of 149: 36.6%
- Albania — 12th of 149: 34.39%
- Slovak Republic — 13th of 149: 33.33%
- El Salvador — 15th of 149: 33.03%
- Bulgaria — 16th of 149: 29.92%
- Armenia — 17th of 149: 25.53%
What this measures
Clean energy is noncarbohydrate energy that does not produce carbon dioxide when generated. It includes hydropower and nuclear, geothermal, and solar power, among others. This is the share of total energy supply that is non-fossil.
Limitations: The IEA makes these estimates in consultation with national statistical offices, oil companies, electric utilities, and national energy experts. The IEA occasionally revises its time series to reflect political changes, and energy statistics undergo continual changes in coverage or methodology as more detailed energy accounts become available. Breaks in series are therefore unavoidable.
Regional and income-group figures are computed by the World Bank as a weighted average.
All 35 values
| Year | Alternative and nuclear energy (% of total energy use) |
|---|---|
| 2024 | 33.14 |
| 2023 | 32.61 |
| 2022 | 28.17 |
| 2021 | 29.48 |
| 2020 | 33.05 |
| 2019 | 28.64 |
| 2018 | 28.24 |
| 2017 | 28.84 |
| 2016 | 28.25 |
| 2015 | 28 |
| 2014 |
Alternative and nuclear energy (% of total energy use) in nearby economies
- Albania — 34.39% (2024)
- Armenia — 25.53% (2024)
- Austria — 18.72% (2024)
- Azerbaijan — 1.76% (2024)
- Belarus — 15.36% (2024)
- Belgium — 20.99% (2024)
- Bosnia and Herzegovina — 7.59% (2024)
- Bulgaria — 29.92% (2024)
- Croatia — 10.32% (2024)
More environment data for Slovenia
- Rural population — 937,832 (2025)
- Rural population (% of total population) — 44.01% (2025)
- Urban population — 1.19 million (2025)
- Urban population (% of total population) — 55.99% (2025)
- Rural population growth (annual %) — -0.36% (2025)
- Urban population growth (annual %) — 0.59% (2025)
- Agricultural land (sq. km) — 6,114 (2024)
- Surface area (sq. km) — 20,480 (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e) — 17.34 (2024)
- Total greenhouse gas emissions per capita excluding LULUCF (t CO2e/capita)
Reading data like this
Questions people ask
- What is Slovenia's alternative and nuclear energy (% of total energy use)?
- 33.14% in 2024, according to the World Bank (World Development Indicators).
- How has it changed since 1990?
- It is up 7.61 percentage points from 25.53% in 1990. The highest value was 33.45% in 2014 and the lowest 22.87% in 2003.
- How does Slovenia rank?
- 14th highest of 149 economies with data for 2024.
- Is the latest change in alternative and nuclear energy (% of total energy use) unusual for Slovenia?
- In 2024, Slovenia's alternative and nuclear energy (% of total energy use) rose 0.53 percentage points on 2023 (from 32.61% to 33.14%). Across the 30 yearly changes before that (1994 to 2023), the average change was +0.29 percentage points and a typical year strayed about 2.33 percentage points from that (the standard deviation). This year's change was 0.1 standard deviations above that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.
Source
World Bank, World Development Indicators, indicator EG.USE.COMM.CL.ZS, licensed CC BY 4.0. Original source: IEA Energy Statistics Data Browser, International Energy Agency (IEA), uri: https://www.iea.org/data-and-statistics/data-tools/energy-statistics-data-browser, publisher: International Energy Agency (IEA), date accessed: 2025-03-25 Figures are fetched from the World Bank API and refreshed monthly; see the series on data.worldbank.org. The full definition and method are in the World Bank's metadata glossary. Comparisons use the same World Bank release.
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