Image: Bosko Janusevic Hydro
By ESS news
Norsk Hydro has approved the construction of the Illvatn pumped storage project in Luster, Western Norway, the company’s largest hydropower development in more than 20 years, which will add 107 GWh of annual storage.
The system will add approximately 107 GWh of annual energy production and increase flexibility in Hydro’s Fortun energy operations. Hydro has not provided figures on the capacity in kW or MW.
The project involves the construction of an 8 km tunnel to connect a lower reservoir called Fivlemyrane at 1,018 meters above sea level with the Illvatn reservoir at 1,382 meters, and the new pumped storage power station will be built in Sogn. The permitted water level minimums at Illvatn will be reduced to increase available reservoir capacity, and the facility is expected to come into service in 2030.
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