Tjørhom power station | Agder Energi

Tjørhom power station

Tjørhom power station is a hydroelectric facility at Tjørhom in Sirdal Municipality.

Key numbers


Tjørhom power station lies in Sirdal Municipality in Vest-Agder. The municipality has a population of 1,831, and covers an area of 1,554 km², approximately 11% of which is water. Tjørhom is one of seven power stations in the municipality.

The power station, which is dug 300 metres into the mountains, makes use of the 158-metre drop between the Gravatn reservoir and Tjørhomvatn.

Gravatn is dammed to an elevation of between 660 and 625 m a.s.l.

Tunnel length 3100m
Vertical drop 158m
Operating since 1973
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Number Aggregates in operation at the station:2
Agder Engergi owns 12.2% of power plant
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Every second runs the 84m³ water through the plant. Enough to fill 8.4 ten-liter buckets of water every hundredth of a second.

Power producting:

Tjørhom power station supplies 62 GWh to Agder Energi per year, equivalent to 0.76% of the 8200 GWh generated by the group in an average year.
This makes Tjørhom power station the 28th biggest power station in the Agder Energi group.
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Agder Energi’s share of generation covers the annual consumption of approximately 3100 households.

Wikipedia, Agder Energi’s own data.