The entry portal to the power plant is built of in situ concrete. (Photo: Hydro)
Ownership: 4.79 %
Production: 4 GWh
Power: 1.5 MW
Middyr power plant is located in Odda Municipality in Hordaland County. The power plant is located beside Lake Middyrvatnet, 1240 metres above sea level and is the highest power plant in this area.
Middyr power plant is part of the Røldal-Suldal system, which was originally developed in the 1960s to secure power for Hydro's aluminium production in Karmøy.
The Røldal-Suldal facility currently includes the power plants Kvanndal, Middyr, Novle, Røldal, Svandalsflona, Suldal I and Suldal II, plus Vasstøl.
Middyr power plant uses a height of fall of 56 metres from the regulating reservoir Lake Nupstjødn and down to the intake at the power plant.
The power plant has a Francis turbine with an installed capacity of 1.5 MW and an annual average production of 4 GWh.
Norsk Hydro is the operator of Middyr power plant and responsible for daily operation.