Electricity generation from hydropower in United Kingdom
United Kingdom: Electricity generation from hydropower was 5.55 terawatt-hours in 2025. ◆ Volatile
Electricity generation from hydropower in United Kingdom, 1920–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for electricity generation from hydropower in United Kingdom is 5.55 terawatt-hours, measured in 2025.
Compared with earlier readings it is down 3.6% on the previous year and down 11.9% over ten years.
Over the whole period, electricity generation from hydropower in United Kingdom peaked at 6.88 terawatt-hours in 2020 and was at its lowest, 0.01 terawatt-hours, in 1921.
That places United Kingdom 66th out of 214 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 |
|---|---|---|---|---|
| 1920s | 0.0365 terawatt-hours | 0.01 terawatt-hours | 0.136 terawatt-hours | 10 |
| 1930s | 0.5902 terawatt-hours | 0.32 terawatt-hours | 0.988 terawatt-hours | 10 |
| 1940s | 1.02 terawatt-hours | 0.719 terawatt-hours | 1.33 terawatt-hours | 10 |
| 1950s | 2.09 terawatt-hours | 1.04 terawatt-hours | 2.75 terawatt-hours | 10 |
| 1960s | 3.95 terawatt-hours | 3.12 terawatt-hours | 4.88 terawatt-hours | 10 |
| 1970s | 3.99 terawatt-hours | 3.37 terawatt-hours | 4.54 terawatt-hours | 10 |
| 1980s | 4.45 terawatt-hours | 3.95 terawatt-hours | 4.88 terawatt-hours | 10 |
| 1990s | 4.73 terawatt-hours | 3.4 terawatt-hours | 5.35 terawatt-hours | 10 |
| 2000s | 4.7 terawatt-hours | 3.23 terawatt-hours | 5.23 terawatt-hours | 10 |
| 2010s | 5.41 terawatt-hours | 3.59 terawatt-hours | 6.3 terawatt-hours | 10 |
| 2020s | 5.8 terawatt-hours | 5.42 terawatt-hours | 6.88 terawatt-hours | 6 |
Countries ranked near United Kingdom
More energy & mining data for United Kingdom
- Fuel imports 8.2% (2025)
- Ores and metals imports 3.3% (2025)
- Ores and metals exports 5.7% (2025)
- Gas production 299.32 terawatt-hours (2025)
- Fossil fuel production per person, by fuel 4,304 kilowatt-hours per person (2025)
- Fossil fuel production by fuel 299.32 terawatt-hours (2025)
- Gas production per person 4,304 kilowatt-hours per person (2025)
- Fuel exports 7.1% (2025)
- Electric power transmission and distribution losses 9.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 49.5% (2023)
Frequently asked questions
- What is electricity generation from hydropower in United Kingdom?
- Electricity generation from hydropower in United Kingdom was 5.55 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest electricity generation from hydropower recorded in United Kingdom?
- The highest recorded value was 6.88 terawatt-hours in 2020.
- What is the lowest electricity generation from hydropower recorded in United Kingdom?
- The lowest recorded value was 0.01 terawatt-hours in 1921.
- How does United Kingdom rank for electricity generation from hydropower?
- United Kingdom ranks 66th out of 214 countries with data for 2025.
- Is electricity generation from hydropower rising or falling in United Kingdom?
- Over the last ten years it is down 11.9%. The long-run trend across the full record is volatile.
- Where does this United Kingdom data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity generation from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 106 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours.