Ownership: 4.79 %
Production: 960 GWh
Power: 169 MW
Suldal I power plant is located in the village of Nesflaten in Suldal Municipality, Rogaland County and was commissioned in 1965.
Suldal I and Suldal II are the two lowest power plants in 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.
Suldal I gets water from Lake Røldalsvannet, located about 300 metres above the power plant's intake. The plant is equipped with two Francis turbines with a total installed capacity of 169 MW. Average annual production is 960 GWh.
Norsk Hydro is the operator of Suldal I power plant and responsible for daily operation.