Annual change in primary energy use in Iceland
Iceland: Annual change in primary energy use was -4.24 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
-4.24 terawatt-hours
Change on year
down 2,750.6%
World rank
189th
of 219 countries
All-time high
10.93 terawatt-hours
in 2006
All-time low
-5.01 terawatt-hours
in 2020
Years of data
60
1966–2025
Annual change in primary energy use in Iceland, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, annual change in primary energy use in Iceland stood at -4.24 terawatt-hours.
That represents a change of down 2,750.6% on the previous year and down 820.6% over ten years.
Over the whole period, annual change in primary energy use in Iceland peaked at 10.93 terawatt-hours in 2006 and was at its lowest, -5.01 terawatt-hours, in 2020.
That places Iceland 189th out of 219 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy use in Iceland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.4018 terawatt-hours | — |
| 1967 | -0.152 terawatt-hours | -137.8% |
| 1968 | 0.4111 terawatt-hours | -370.5% |
| 1969 | -0.3376 terawatt-hours | -182.1% |
| 1970 | 0.7729 terawatt-hours | -328.9% |
| 1971 | 0.6452 terawatt-hours | -16.5% |
| 1972 | 0.7135 terawatt-hours | +10.6% |
| 1973 | 1.58 terawatt-hours | +122.0% |
| 1974 | -0.638 terawatt-hours | -140.3% |
| 1975 | -0.3776 terawatt-hours | -40.8% |
| 1976 | 0.1833 terawatt-hours | -148.5% |
| 1977 | 0.4617 terawatt-hours | +151.9% |
| 1978 | 0.4995 terawatt-hours | +8.2% |
| 1979 | 0.4449 terawatt-hours | -10.9% |
| 1980 | -0.235 terawatt-hours | -152.8% |
| 1981 | 0.8201 terawatt-hours | -449.0% |
| 1982 | 0.0677 terawatt-hours | -91.7% |
| 1983 | 0.2984 terawatt-hours | +340.6% |
| 1984 | 0.639 terawatt-hours | +114.2% |
| 1985 | -0.0634 terawatt-hours | -109.9% |
| 1986 | 0.7836 terawatt-hours | -1336.3% |
| 1987 | 0.6218 terawatt-hours | -20.7% |
| 1988 | 0.6833 terawatt-hours | +9.9% |
| 1989 | 0.7203 terawatt-hours | +5.4% |
| 1990 | 0.6522 terawatt-hours | -9.5% |
| 1991 | -0.5593 terawatt-hours | -185.8% |
| 1992 | 0.268 terawatt-hours | -147.9% |
| 1993 | 0.6488 terawatt-hours | +142.1% |
| 1994 | 0.1152 terawatt-hours | -82.2% |
| 1995 | 0.9326 terawatt-hours | +709.7% |
| 1996 | 1.04 terawatt-hours | +11.2% |
| 1997 | 1.2 terawatt-hours | +15.2% |
| 1998 | 3.52 terawatt-hours | +194.9% |
| 1999 | 5.71 terawatt-hours | +61.9% |
| 2000 | 2.55 terawatt-hours | -55.4% |
| 2001 | 1.07 terawatt-hours | -57.8% |
| 2002 | 0.6515 terawatt-hours | -39.4% |
| 2003 | -0.3654 terawatt-hours | -156.1% |
| 2004 | 1.56 terawatt-hours | -528.2% |
| 2005 | 1.36 terawatt-hours | -12.9% |
| 2006 | 10.93 terawatt-hours | +701.8% |
| 2007 | 10.86 terawatt-hours | -0.6% |
| 2008 | 9.6 terawatt-hours | -11.6% |
| 2009 | 4.33 terawatt-hours | -54.9% |
| 2010 | -4.51 terawatt-hours | -204.2% |
| 2011 | 2.12 terawatt-hours | -147.1% |
| 2012 | 4.84 terawatt-hours | +127.8% |
| 2013 | 1.44 terawatt-hours | -70.3% |
| 2014 | 0.1625 terawatt-hours | -88.7% |
| 2015 | -0.4611 terawatt-hours | -383.7% |
| 2016 | 1.55 terawatt-hours | -436.7% |
| 2017 | 2.78 terawatt-hours | +78.8% |
| 2018 | 9.31 terawatt-hours | +235.4% |
| 2019 | -2.31 terawatt-hours | -124.8% |
| 2020 | -5.01 terawatt-hours | +116.8% |
| 2021 | 0.8196 terawatt-hours | -116.3% |
| 2022 | 3.7 terawatt-hours | +350.9% |
| 2023 | 1.04 terawatt-hours | -71.9% |
| 2024 | -0.1489 terawatt-hours | -114.3% |
| 2025 | -4.24 terawatt-hours | +2750.6% |
Iceland compared with similar countries
- Iceland's -4.24 terawatt-hours is below the median for high income countries, which is 0.031 terawatt-hours. (75 countries reporting)
- Iceland's -4.24 terawatt-hours is below the median for Europe & Central Asia, which is 0.5721 terawatt-hours. (50 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy use 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 |
|---|---|---|---|
| 2025 | -2750.6% | -0.1489 terawatt-hours | -4.24 terawatt-hours |
| 1986 | +1336.3% | -0.0634 terawatt-hours | 0.7836 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0809 terawatt-hours | -0.3376 terawatt-hours | 0.4111 terawatt-hours | 4 |
| 1970s | 0.4289 terawatt-hours | -0.638 terawatt-hours | 1.58 terawatt-hours | 10 |
| 1980s | 0.4336 terawatt-hours | -0.235 terawatt-hours | 0.8201 terawatt-hours | 10 |
| 1990s | 1.35 terawatt-hours | -0.5593 terawatt-hours | 5.71 terawatt-hours | 10 |
| 2000s | 4.26 terawatt-hours | -0.3654 terawatt-hours | 10.93 terawatt-hours | 10 |
| 2010s | 1.49 terawatt-hours | -4.51 terawatt-hours | 9.31 terawatt-hours | 10 |
| 2020s | -0.6422 terawatt-hours | -5.01 terawatt-hours | 3.7 terawatt-hours | 6 |
Countries ranked near Iceland
- 186 Lithuania -2.86 terawatt-hours compare
- 187 Estonia -2.95 terawatt-hours compare
- 188 Malta -4.03 terawatt-hours compare
- 190 New Caledonia -4.33 terawatt-hours compare
- 191 South Africa -4.34 terawatt-hours compare
- 192 Azerbaijan -4.34 terawatt-hours compare
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)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per capita 0.0002 terawatt-hours per person (2025)
- Fuel imports 9.0% (2025)
- Ores and metals imports 7.9% (2025)
Frequently asked questions
- What is annual change in primary energy use in Iceland?
- Annual change in primary energy use in Iceland was -4.24 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest annual change in primary energy use recorded in Iceland?
- The highest recorded value was 10.93 terawatt-hours in 2006.
- What is the lowest annual change in primary energy use recorded in Iceland?
- The lowest recorded value was -5.01 terawatt-hours in 2020.
- How does Iceland rank for annual change in primary energy use?
- Iceland ranks 189th out of 219 countries with data for 2025.
- Is annual change in primary energy use rising or falling in Iceland?
- Over the last ten years it is down 820.6%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Annual change in primary energy use. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.