Share of primary energy from hydropower in Slovenia

Slovenia: Share of primary energy from hydropower was 5.8% in 2025. ▲ Rising

Latest (2025)
5.8%
Change on year
down 22.9%
World rank
18th
of 79 countries
All-time high
8.2%
in 2014
All-time low
3.9%
in 2003
Years of data
36
1990–2025

Share of primary energy from hydropower in Slovenia, 1990–2025

024681990200720251990: 4.6 %1991: 5.7 %1992: 5.8 %1993: 4.9 %1994: 5.2 %1995: 4.7 %1996: 5 %1997: 4.1 %1998: 4.6 %1999: 5.1 %2000: 5.3 %2001: 5 %2002: 4.3 %2003: 3.9 %2004: 5.2 %2005: 4.3 %2006: 4.4 %2007: 4 %2008: 4.5 %2009: 5.9 %2010: 5.6 %2011: 4.5 %2012: 5.1 %2013: 6.2 %2014: 8.2 %2015: 5.4 %2016: 6 %2017: 5 %2018: 6.1 %2019: 5.9 %2020: 6.9 %2021: 6.6 %2022: 4.7 %2023: 7.5 %2024: 7.5 %2025: 5.8 %

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.

Analysis

The most recent figure for share of primary energy from hydropower in Slovenia is 5.8%, measured in 2025.

Compared with earlier readings it is down 22.9% on the previous year and up 7.0% over ten years.

Over the whole period, share of primary energy from hydropower in Slovenia peaked at 8.2% in 2014 and was at its lowest, 3.9%, in 2003.

Slovenia ranks 18th of 79 countries on this measure, in the top quarter.

The long-run direction has been consistently rising across the 36 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 5.0% 4.1% 5.8% 10
2000s 4.7% 3.9% 5.9% 10
2010s 5.8% 4.5% 8.2% 10
2020s 6.5% 4.7% 7.5% 6

Countries ranked near Slovenia

  1. 15 Vietnam 7.8% compare
  2. 16 Portugal 6.8% compare
  3. 17 Croatia 6.1% compare
  4. 19 Chile 4.9% compare
  5. 20 Pakistan 4.6% compare
  6. 21 North Macedonia 4.4% compare

See the full ranking of 82 places →

More energy & mining data for Slovenia

All data for Slovenia →

Frequently asked questions

What is share of primary energy from hydropower in Slovenia?
Share of primary energy from hydropower in Slovenia was 5.8% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest share of primary energy from hydropower recorded in Slovenia?
The highest recorded value was 8.2% in 2014.
What is the lowest share of primary energy from hydropower recorded in Slovenia?
The lowest recorded value was 3.9% in 2003.
How does Slovenia rank for share of primary energy from hydropower?
Slovenia ranks 18th out of 79 countries with data for 2025.
Is share of primary energy from hydropower rising or falling in Slovenia?
Over the last ten years it is up 7.0%. The long-run trend across the full record is rising.
Where does this Slovenia data come from?
The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from hydropower. 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

Indicator
Share of primary energy from hydropower
Unit
%
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,680 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.