Primary energy from hydropower in Iceland
Iceland: Primary energy from hydropower was 13.16 terawatt-hours in 2025. ◆ Volatile
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
The most recent figure for primary energy from hydropower in Iceland is 13.16 terawatt-hours, measured in 2025.
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 economy & growth data for Iceland
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP 1.96 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 2.48 Percent per annum (2029)
- Foreign direct investment, net outflows (BoP, current US$), gaps -851.71 million BoP, current US$ (2025)
- Foreign direct investment, net outflows (BoP, current US$), per unit -0.0221 BoP, current US$ per US$ of GDP (2025)
- Foreign direct investment, net outflows (BoP, current US$), per capita -2,170 BoP, current US$ per person (2025)
- Foreign direct investment, net inflows (BoP, current US$), gaps filled -201.70 million BoP, current US$ (2025)
- Foreign direct investment, net inflows (BoP, current US$), annual -107.12 % change on previous year (2025)
- Foreign direct investment, net inflows (BoP, current US$), per unit -0.0052 BoP, current US$ per US$ of GDP (2025)
- Foreign direct investment, net inflows (BoP, current US$), per capita -514.02 BoP, current US$ per person (2025)
- Total reserves (includes gold, current US$), annual growth rate 20.76 % change on previous year (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.