Hydropower generation by region in Greece
Greece: Hydropower generation by region was 3.45 terawatt-hours in 2025. ▲ Rising
Hydropower generation by region in Greece, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Greece recorded 3.45 terawatt-hours for hydropower generation by region in 2025.
That represents a change of down 3.6% on the previous year and down 43.4% over ten years.
Over the whole period, hydropower generation by region in Greece peaked at 7.47 terawatt-hours in 2010 and was at its lowest, 0.801 terawatt-hours, in 1965.
That places Greece 47th out of 79 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 61 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.52 terawatt-hours | 0.801 terawatt-hours | 2.06 terawatt-hours | 5 |
| 1970s | 2.49 terawatt-hours | 1.88 terawatt-hours | 3.57 terawatt-hours | 10 |
| 1980s | 2.87 terawatt-hours | 1.9 terawatt-hours | 3.56 terawatt-hours | 10 |
| 1990s | 3.2 terawatt-hours | 1.77 terawatt-hours | 4.59 terawatt-hours | 10 |
| 2000s | 4.02 terawatt-hours | 2.1 terawatt-hours | 5.86 terawatt-hours | 10 |
| 2010s | 5.21 terawatt-hours | 3.96 terawatt-hours | 7.47 terawatt-hours | 10 |
| 2020s | 3.99 terawatt-hours | 3.34 terawatt-hours | 5.9 terawatt-hours | 6 |
Countries ranked near Greece
- 44 United Kingdom 5.09 terawatt-hours compare
- 45 Slovenia 3.99 terawatt-hours compare
- 46 South Korea 3.81 terawatt-hours compare
- 48 Latvia 2.96 terawatt-hours compare
- 49 Slovakia 2.96 terawatt-hours compare
- 50 Azerbaijan 2.84 terawatt-hours compare
More energy & mining data for Greece
- Fuel imports 26.2% (2024)
- Ores and metals imports 4.2% (2024)
- Ores and metals exports 8.4% (2024)
- Gas production 0.0303 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 3.01 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.0303 terawatt-hours (2024)
- Gas production per person 3.01 kilowatt-hours per person (2024)
- Fuel exports 30.2% (2024)
- Electric power transmission and distribution losses 9.8% (2024)
- Share of dietary energy supply from carbohydrates vs gdp per capita 45.19 (2023)
Frequently asked questions
- What is hydropower generation by region in Greece?
- Hydropower generation by region in Greece was 3.45 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 Greece?
- The highest recorded value was 7.47 terawatt-hours in 2010.
- What is the lowest hydropower generation by region recorded in Greece?
- The lowest recorded value was 0.801 terawatt-hours in 1965.
- How does Greece rank for hydropower generation by region?
- Greece ranks 47th out of 79 countries with data for 2025.
- Is hydropower generation by region rising or falling in Greece?
- Over the last ten years it is down 43.4%. The long-run trend across the full record is rising.
- Where does this Greece 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.