Hydropower generation by region in Iceland
Iceland: Hydropower generation by region was 13.16 terawatt-hours in 2025. ◆ Volatile
Hydropower generation by region in Iceland, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, hydropower generation by region in Iceland stood at 13.16 terawatt-hours.
That represents a change of down 3.3% on the previous year and down 4.5% over ten years.
Over the whole period, hydropower generation by region in Iceland peaked at 14.23 terawatt-hours in 2023 and was at its lowest, 0.6239 terawatt-hours, in 1966.
That places Iceland 32nd out of 79 countries with data for 2025, putting it in the middle of the range.
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 | 0.6952 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
- 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 43.61 (2023)
Frequently asked questions
- What is hydropower generation by region in Iceland?
- Hydropower generation by region in Iceland was 13.16 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest hydropower generation by region recorded in Iceland?
- The highest recorded value was 14.23 terawatt-hours in 2023.
- What is the lowest hydropower generation by region recorded in Iceland?
- The lowest recorded value was 0.6239 terawatt-hours in 1966.
- How does Iceland rank for hydropower generation by region?
- Iceland ranks 32nd out of 79 countries with data for 2025.
- Is hydropower generation by region 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) – with major processing by Our World in Data, published as part of Hydropower generation by region. 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
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.