Primary energy from hydropower in Iceland
Iceland: Primary energy from hydropower was 13.16 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
13.16 terawatt-hours
Change on year
down 3.3%
World rank
33rd
of 80 countries
All-time high
14.23 terawatt-hours
in 2023
All-time low
0.6239 terawatt-hours
in 1966
Years of data
61
1965–2025
Primary energy from hydropower in Iceland, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, primary energy from hydropower in Iceland stood at 13.16 terawatt-hours.
Compared with earlier readings it is down 3.3% on the previous year and down 4.5% over ten years.
Over the whole period, primary energy from hydropower in Iceland peaked at 14.23 terawatt-hours in 2023 and was at its lowest, 0.6239 terawatt-hours, in 1966.
Iceland ranks 33rd of 80 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Primary energy from hydropower in Iceland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0.6407 terawatt-hours | — |
| 1966 | 0.6239 terawatt-hours | -2.6% |
| 1967 | 0.6645 terawatt-hours | +6.5% |
| 1968 | 0.6869 terawatt-hours | +3.4% |
| 1969 | 0.8601 terawatt-hours | +25.2% |
| 1970 | 1.41 terawatt-hours | +64.3% |
| 1971 | 1.54 terawatt-hours | +9.0% |
| 1972 | 1.7 terawatt-hours | +10.6% |
| 1973 | 2.18 terawatt-hours | +28.1% |
| 1974 | 2.26 terawatt-hours | +3.5% |
| 1975 | 2.21 terawatt-hours | -2.3% |
| 1976 | 2.35 terawatt-hours | +6.5% |
| 1977 | 2.52 terawatt-hours | +7.2% |
| 1978 | 2.6 terawatt-hours | +3.4% |
| 1979 | 2.82 terawatt-hours | +8.2% |
| 1980 | 3.05 terawatt-hours | +8.3% |
| 1981 | 3.08 terawatt-hours | +1.0% |
| 1982 | 3.41 terawatt-hours | +10.5% |
| 1983 | 3.59 terawatt-hours | +5.3% |
| 1984 | 3.74 terawatt-hours | +4.2% |
| 1985 | 3.66 terawatt-hours | -2.0% |
| 1986 | 3.84 terawatt-hours | +4.9% |
| 1987 | 3.91 terawatt-hours | +1.9% |
| 1988 | 4.16 terawatt-hours | +6.4% |
| 1989 | 4.21 terawatt-hours | +1.2% |
| 1990 | 4.15 terawatt-hours | -1.4% |
| 1991 | 4.15 terawatt-hours | +0.0% |
| 1992 | 4.3 terawatt-hours | +3.6% |
| 1993 | 4.46 terawatt-hours | +3.6% |
| 1994 | 4.51 terawatt-hours | +1.1% |
| 1995 | 4.68 terawatt-hours | +3.7% |
| 1996 | 4.76 terawatt-hours | +1.8% |
| 1997 | 5.2 terawatt-hours | +9.2% |
| 1998 | 5.62 terawatt-hours | +8.0% |
| 1999 | 6.04 terawatt-hours | +7.6% |
| 2000 | 6.35 terawatt-hours | +5.1% |
| 2001 | 6.57 terawatt-hours | +3.5% |
| 2002 | 6.97 terawatt-hours | +6.1% |
| 2003 | 7.08 terawatt-hours | +1.6% |
| 2004 | 7.13 terawatt-hours | +0.7% |
| 2005 | 7.02 terawatt-hours | -1.6% |
| 2006 | 7.29 terawatt-hours | +3.9% |
| 2007 | 8.39 terawatt-hours | +15.2% |
| 2008 | 12.43 terawatt-hours | +48.1% |
| 2009 | 12.28 terawatt-hours | -1.2% |
| 2010 | 12.59 terawatt-hours | +2.5% |
| 2011 | 12.51 terawatt-hours | -0.7% |
| 2012 | 12.34 terawatt-hours | -1.4% |
| 2013 | 12.86 terawatt-hours | +4.3% |
| 2014 | 12.87 terawatt-hours | +0.1% |
| 2015 | 13.78 terawatt-hours | +7.1% |
| 2016 | 13.47 terawatt-hours | -2.3% |
| 2017 | 14.06 terawatt-hours | +4.4% |
| 2018 | 13.81 terawatt-hours | -1.7% |
| 2019 | 13.46 terawatt-hours | -2.5% |
| 2020 | 13.16 terawatt-hours | -2.3% |
| 2021 | 13.8 terawatt-hours | +4.9% |
| 2022 | 14.2 terawatt-hours | +2.8% |
| 2023 | 14.23 terawatt-hours | +0.2% |
| 2024 | 13.6 terawatt-hours | -4.4% |
| 2025 | 13.16 terawatt-hours | -3.3% |
Iceland compared with similar countries
- Iceland's 13.16 terawatt-hours is above the median for high income countries, which is 3.45 terawatt-hours, 3.8× the median. (47 countries reporting)
- Iceland's 13.16 terawatt-hours is above the median for Europe & Central Asia, which is 3.99 terawatt-hours, 3.3× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Primary energy from hydropower in Iceland 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 |
|---|---|---|---|
| 1970 | +64.3% | 0.8601 terawatt-hours | 1.41 terawatt-hours |
| 2008 | +48.1% | 8.39 terawatt-hours | 12.43 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.6952 terawatt-hours | 0.6239 terawatt-hours | 0.8601 terawatt-hours | 5 |
| 1970s | 2.16 terawatt-hours | 1.41 terawatt-hours | 2.82 terawatt-hours | 10 |
| 1980s | 3.67 terawatt-hours | 3.05 terawatt-hours | 4.21 terawatt-hours | 10 |
| 1990s | 4.79 terawatt-hours | 4.15 terawatt-hours | 6.04 terawatt-hours | 10 |
| 2000s | 8.15 terawatt-hours | 6.35 terawatt-hours | 12.43 terawatt-hours | 10 |
| 2010s | 13.18 terawatt-hours | 12.34 terawatt-hours | 14.06 terawatt-hours | 10 |
| 2020s | 13.69 terawatt-hours | 13.16 terawatt-hours | 14.23 terawatt-hours | 6 |
Countries ranked near Iceland
More energy & mining data for Iceland
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, annual growth rate -4.9 % 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 0.0002 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 (2024)
- Fuel imports 9.0% (2025)
Frequently asked questions
- What is primary energy from hydropower in Iceland?
- Primary energy from hydropower in Iceland was 13.16 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest primary energy from hydropower recorded in Iceland?
- The highest recorded value was 14.23 terawatt-hours in 2023.
- What is the lowest primary energy from hydropower recorded in Iceland?
- The lowest recorded value was 0.6239 terawatt-hours in 1966.
- How does Iceland rank for primary energy from hydropower?
- Iceland ranks 33rd out of 80 countries with data for 2025.
- Is primary energy from hydropower rising or falling in Iceland?
- Over the last ten years it is down 4.5%. The long-run trend across the full record is volatile.
- Where does this Iceland data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.