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.
The figure is 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.
Iceland ranks 32nd of 79 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.
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
- External balance on goods and services as a percent of GDP -2.3% (2025)
- Inflation of consumer prices 4.1% (2025)
- GDP per capita 58,910 constant 2015 US$ (2025)
- Share of manufacturing in gross domestic product (GDP) 8.5% (2025)
- Gross domestic product (GDP) 23.12 billion constant 2015 US$ (2025)
- GDP per capita in international and market dollars 58,910 constant 2015 US$ (2025)
- DEC alternative conversion factor 128.44 LCU per US$ (2025)
- Net secondary income (Net current transfers from abroad) -52.84 billion current LCU (2024)
- Net secondary income (Net current transfers from abroad) -383.05 million current US$ (2024)
- Taxes less subsidies on products 498.69 billion current LCU (2025)
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.