The entry portal to the power plant is built of in situ concrete. (Photo: Hydro)
Middyr power plant is located in Odda Municipality in Hordaland County.
Ownership: 4.79 %
Production: 4 GWh
Power: 1.5 MW
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.