List of longest running hydroelectric power plants

This is a list of oldest hydroelectric power plants that are in operation.

More than 100 years

Steigbachwerk, Immenstadt, Germany, 175 m. start 1880, 270 kW. 144 years old.
Ames Hydroelectric Generating Plant, constructed in 1890, 134 years old.
Appleton Powerhouse, USA, 2.2MW, constructed in 1901, 123 years old.^[1]
Big Quinnesec Falls, USA, 4.4 MW, constructed in 1914, 110 years old. ^[1]
Brule powerstation, Wisconsin, USA, 5.3 MW, constructed in 1919, 105 years old. ^[1]
Fala Hydro Power Plant, Slovania, constructed in 1918, 106 years old.
Pharping Hydropower Station, Nepal, 500kW, constructed in 1911, 113 years old.