| name | image | status | type | Area (m²) | date Commissioned | date Opened | date Start construction | Website | Height (m) | Country | continent | Maximum discharge (m³/day) | lake | Installed capacity (w) | latitude (°) | Length (m) | longitude (°) | Turbines | volume (m³) | administrative división | city | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marathon Dam |  | Operational | Gravity | 2,450,000 | 1929 | 1926 | website | 54 | Greece | Europe | Lake Marathon | 38.1666679382 | 285 | 23.8999996185 | Attica | Marathon, Greece | Map |