Hydropower generation by region in Greece
Greece: Hydropower generation by region was 3.45 terawatt-hours in 2025. ▲ Rising
Latest (2025)
3.45 terawatt-hours
Change on year
down 3.6%
World rank
48th
of 80 countries
All-time high
7.47 terawatt-hours
in 2010
All-time low
0.801 terawatt-hours
in 1965
Years of data
61
1965–2025
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.
The figure is 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 48th out of 80 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.
Hydropower generation by region in Greece, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0.801 terawatt-hours | — |
| 1966 | 1.73 terawatt-hours | +116.0% |
| 1967 | 1.66 terawatt-hours | -4.0% |
| 1968 | 1.37 terawatt-hours | -17.6% |
| 1969 | 2.06 terawatt-hours | +50.2% |
| 1970 | 2.64 terawatt-hours | +28.3% |
| 1971 | 2.65 terawatt-hours | +0.6% |
| 1972 | 2.68 terawatt-hours | +0.9% |
| 1973 | 2.22 terawatt-hours | -17.0% |
| 1974 | 2.35 terawatt-hours | +5.6% |
| 1975 | 2.02 terawatt-hours | -14.1% |
| 1976 | 1.88 terawatt-hours | -6.7% |
| 1977 | 1.92 terawatt-hours | +2.3% |
| 1978 | 2.99 terawatt-hours | +55.5% |
| 1979 | 3.57 terawatt-hours | +19.3% |
| 1980 | 3.4 terawatt-hours | -4.5% |
| 1981 | 3.41 terawatt-hours | +0.1% |
| 1982 | 3.56 terawatt-hours | +4.5% |
| 1983 | 2.34 terawatt-hours | -34.3% |
| 1984 | 2.86 terawatt-hours | +22.3% |
| 1985 | 2.81 terawatt-hours | -2.0% |
| 1986 | 3.23 terawatt-hours | +15.3% |
| 1987 | 2.78 terawatt-hours | -14.1% |
| 1988 | 2.37 terawatt-hours | -14.9% |
| 1989 | 1.9 terawatt-hours | -19.7% |
| 1990 | 1.77 terawatt-hours | -6.9% |
| 1991 | 3.1 terawatt-hours | +75.2% |
| 1992 | 2.2 terawatt-hours | -28.9% |
| 1993 | 2.28 terawatt-hours | +3.6% |
| 1994 | 2.6 terawatt-hours | +13.9% |
| 1995 | 3.53 terawatt-hours | +35.8% |
| 1996 | 4.35 terawatt-hours | +23.2% |
| 1997 | 3.88 terawatt-hours | -10.7% |
| 1998 | 3.72 terawatt-hours | -4.3% |
| 1999 | 4.59 terawatt-hours | +23.5% |
| 2000 | 3.69 terawatt-hours | -19.6% |
| 2001 | 2.1 terawatt-hours | -43.2% |
| 2002 | 2.8 terawatt-hours | +33.5% |
| 2003 | 4.77 terawatt-hours | +70.2% |
| 2004 | 4.67 terawatt-hours | -2.0% |
| 2005 | 5.02 terawatt-hours | +7.4% |
| 2006 | 5.86 terawatt-hours | +16.9% |
| 2007 | 2.59 terawatt-hours | -55.8% |
| 2008 | 3.31 terawatt-hours | +27.8% |
| 2009 | 5.35 terawatt-hours | +61.6% |
| 2010 | 7.47 terawatt-hours | +39.6% |
| 2011 | 4.01 terawatt-hours | -46.3% |
| 2012 | 4.39 terawatt-hours | +9.5% |
| 2013 | 6.35 terawatt-hours | +44.5% |
| 2014 | 4.48 terawatt-hours | -29.4% |
| 2015 | 6.1 terawatt-hours | +36.2% |
| 2016 | 5.54 terawatt-hours | -9.1% |
| 2017 | 3.96 terawatt-hours | -28.5% |
| 2018 | 5.74 terawatt-hours | +44.9% |
| 2019 | 4 terawatt-hours | -30.4% |
| 2020 | 3.34 terawatt-hours | -16.4% |
| 2021 | 5.9 terawatt-hours | +76.6% |
| 2022 | 3.86 terawatt-hours | -34.7% |
| 2023 | 3.82 terawatt-hours | -1.0% |
| 2024 | 3.58 terawatt-hours | -6.1% |
| 2025 | 3.45 terawatt-hours | -3.6% |
Greece compared with similar countries
- Greece's 3.45 terawatt-hours is above the median for high income countries, which is 3.45 terawatt-hours, 1.0× the median. (47 countries reporting)
- Greece's 3.45 terawatt-hours is below the median for Europe & Central Asia, which is 3.99 terawatt-hours, 86% of the median. (39 countries reporting)
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
- 45 United Kingdom 5.09 terawatt-hours compare
- 46 Slovenia 3.99 terawatt-hours compare
- 47 South Korea 3.81 terawatt-hours compare
- 49 Latvia 2.96 terawatt-hours compare
- 50 Slovakia 2.96 terawatt-hours compare
- 51 Azerbaijan 2.84 terawatt-hours compare
More economy & growth data for Greece
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP 1.67 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 1.25 Percent per annum (2029)
- Foreign direct investment, net outflows (BoP, current US$), gaps 2.22 billion BoP, current US$ (2024)
- Foreign direct investment, net outflows (BoP, current US$), per unit 0.0087 BoP, current US$ per US$ of GDP (2024)
- Foreign direct investment, net outflows (BoP, current US$), per capita 213.34 BoP, current US$ per person (2024)
- Foreign direct investment, net inflows (BoP, current US$), gaps filled 6.74 billion BoP, current US$ (2024)
- Foreign direct investment, net inflows (BoP, current US$), annual 42.78 % change on previous year (2024)
- Foreign direct investment, net inflows (BoP, current US$), per unit 0.0263 BoP, current US$ per US$ of GDP (2024)
- Foreign direct investment, net inflows (BoP, current US$), per capita 647.98 BoP, current US$ per person (2024)
- Total reserves (includes gold, current US$), annual growth rate 57.98 % change on previous year (2025)
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 48th out of 80 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.