Annual change in primary energy use in Iceland
Iceland: Annual change in primary energy use was -4.24 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy use in Iceland, 1966–2025
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 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 218 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.
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
- 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
- Fuel imports 9.0% (2025)
- Ores and metals imports 7.9% (2025)
- Ores and metals exports 36.2% (2025)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 1.5% (2025)
- Electric power transmission and distribution losses 2.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 43.6% (2023)
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); Smil (2017); 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 218 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); Smil (2017); 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.
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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.