More than 100 years
 |
- Steigbachwerk, Immenstadt, Germany, 175 m. start 1880, 270 kW. 145 years old.
- Ames Hydroelectric Generating Plant, constructed in 1890, 135 years old.
- Appleton Powerhouse, USA, 2.2MW, constructed in 1901, 124 years old. [1]
- Keokuk Energy Center (Lock and Dam No. 19), Iowa, USA, 142MW, constructed in 1910. 115 years old.
- Pharping Hydropower Station, Nepal, 500kW, constructed in 1911, 114 years old.
- Big Quinnesec Falls, USA, 4.4 MW, constructed in 1914, 111 years old. [1]
- Brule power station, Wisconsin, USA, 5.3 MW, constructed in 1919, 106 years old. [1]
- Fala Hydro Power Plant, Slovenia, constructed in 1918, 107 years old.