Primary energy from low-carbon energy in Iceland
Iceland: Primary energy from low-carbon energy was 69.81 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
69.81 terawatt-hours
Change on year
down 5.4%
World rank
40th
of 80 countries
All-time high
74.52 terawatt-hours
in 2023
All-time low
0.6239 terawatt-hours
in 1966
Years of data
61
1965–2025
Primary energy from low-carbon energy 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
Iceland recorded 69.81 terawatt-hours for primary energy from low-carbon energy in 2025.
That represents a change of down 5.4% on the previous year and up 9.1% over ten years.
Over the whole period, primary energy from low-carbon energy in Iceland peaked at 74.52 terawatt-hours in 2023 and was at its lowest, 0.6239 terawatt-hours, in 1966.
Iceland ranks 40th 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 low-carbon energy 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 | 0.8791 terawatt-hours | +28.0% |
| 1970 | 1.53 terawatt-hours | +74.5% |
| 1971 | 1.66 terawatt-hours | +8.2% |
| 1972 | 1.92 terawatt-hours | +15.6% |
| 1973 | 2.42 terawatt-hours | +26.2% |
| 1974 | 2.32 terawatt-hours | -4.4% |
| 1975 | 2.39 terawatt-hours | +3.2% |
| 1976 | 2.54 terawatt-hours | +6.3% |
| 1977 | 2.68 terawatt-hours | +5.6% |
| 1978 | 2.79 terawatt-hours | +4.0% |
| 1979 | 3.28 terawatt-hours | +17.5% |
| 1980 | 3.5 terawatt-hours | +6.9% |
| 1981 | 4.32 terawatt-hours | +23.3% |
| 1982 | 5 terawatt-hours | +15.8% |
| 1983 | 5.31 terawatt-hours | +6.2% |
| 1984 | 5.47 terawatt-hours | +3.1% |
| 1985 | 5.38 terawatt-hours | -1.7% |
| 1986 | 5.97 terawatt-hours | +11.0% |
| 1987 | 6.26 terawatt-hours | +4.9% |
| 1988 | 6.62 terawatt-hours | +5.8% |
| 1989 | 6.79 terawatt-hours | +2.5% |
| 1990 | 6.98 terawatt-hours | +2.9% |
| 1991 | 6.82 terawatt-hours | -2.3% |
| 1992 | 6.61 terawatt-hours | -3.2% |
| 1993 | 7.01 terawatt-hours | +6.0% |
| 1994 | 7.11 terawatt-hours | +1.4% |
| 1995 | 7.61 terawatt-hours | +7.1% |
| 1996 | 8.25 terawatt-hours | +8.4% |
| 1997 | 8.98 terawatt-hours | +8.8% |
| 1998 | 12.2 terawatt-hours | +35.8% |
| 1999 | 17.46 terawatt-hours | +43.2% |
| 2000 | 19.64 terawatt-hours | +12.5% |
| 2001 | 21.12 terawatt-hours | +7.6% |
| 2002 | 21.31 terawatt-hours | +0.9% |
| 2003 | 21.13 terawatt-hours | -0.8% |
| 2004 | 21.95 terawatt-hours | +3.9% |
| 2005 | 23.6 terawatt-hours | +7.5% |
| 2006 | 33.6 terawatt-hours | +42.4% |
| 2007 | 44.21 terawatt-hours | +31.6% |
| 2008 | 52.82 terawatt-hours | +19.5% |
| 2009 | 57.82 terawatt-hours | +9.5% |
| 2010 | 57.26 terawatt-hours | -1.0% |
| 2011 | 59.53 terawatt-hours | +4.0% |
| 2012 | 64.45 terawatt-hours | +8.3% |
| 2013 | 65.37 terawatt-hours | +1.4% |
| 2014 | 65.32 terawatt-hours | -0.1% |
| 2015 | 63.98 terawatt-hours | -2.1% |
| 2016 | 64.31 terawatt-hours | +0.5% |
| 2017 | 65.94 terawatt-hours | +2.5% |
| 2018 | 74.13 terawatt-hours | +12.4% |
| 2019 | 73.86 terawatt-hours | -0.4% |
| 2020 | 72.99 terawatt-hours | -1.2% |
| 2021 | 72.16 terawatt-hours | -1.1% |
| 2022 | 73.61 terawatt-hours | +2.0% |
| 2023 | 74.52 terawatt-hours | +1.2% |
| 2024 | 73.8 terawatt-hours | -1.0% |
| 2025 | 69.81 terawatt-hours | -5.4% |
Iceland compared with similar countries
- Iceland's 69.81 terawatt-hours is below the median for high income countries, which is 70.73 terawatt-hours, 99% of the median. (47 countries reporting)
- Iceland's 69.81 terawatt-hours is above the median for Europe & Central Asia, which is 68.4 terawatt-hours, 1.0× the median. (39 countries reporting)
Biggest year-on-year movements
Years where Primary energy from low-carbon energy 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 | +74.5% | 0.8791 terawatt-hours | 1.53 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.699 terawatt-hours | 0.6239 terawatt-hours | 0.8791 terawatt-hours | 5 |
| 1970s | 2.35 terawatt-hours | 1.53 terawatt-hours | 3.28 terawatt-hours | 10 |
| 1980s | 5.46 terawatt-hours | 3.5 terawatt-hours | 6.79 terawatt-hours | 10 |
| 1990s | 8.9 terawatt-hours | 6.61 terawatt-hours | 17.46 terawatt-hours | 10 |
| 2000s | 31.72 terawatt-hours | 19.64 terawatt-hours | 57.82 terawatt-hours | 10 |
| 2010s | 65.41 terawatt-hours | 57.26 terawatt-hours | 74.13 terawatt-hours | 10 |
| 2020s | 72.81 terawatt-hours | 69.81 terawatt-hours | 74.52 terawatt-hours | 6 |
Countries ranked near Iceland
More climate change data for Iceland
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 16.80 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 462.45 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 110.24 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 352.21 kt (2050)
- Emissions from livestock — Emissions 0.416 kt (2050)
- Emissions from livestock — Emissions 12.58 kt (2050)
- Emissions from crops — Emissions (CO2eq) 92.86 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 92.86 kt (2050)
- Emissions from crops — Emissions 0.3504 kt (2050)
- Synthetic Fertilizers — Emissions (CO2eq) 92.72 kt (2050)
Frequently asked questions
- What is primary energy from low-carbon energy in Iceland?
- Primary energy from low-carbon energy in Iceland was 69.81 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 low-carbon energy recorded in Iceland?
- The highest recorded value was 74.52 terawatt-hours in 2023.
- What is the lowest primary energy from low-carbon energy recorded in Iceland?
- The lowest recorded value was 0.6239 terawatt-hours in 1966.
- How does Iceland rank for primary energy from low-carbon energy?
- Iceland ranks 40th out of 80 countries with data for 2025.
- Is primary energy from low-carbon energy rising or falling in Iceland?
- Over the last ten years it is up 9.1%. 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 low-carbon energy. 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.