Rehabilitation and Repair

Landsvirkjun awards ANDRITZ Hydro hydroelectric stator uprate contract

Landsvirkjun awards ANDRITZ Hydro hydroelectric stator uprate contract
Sultartangi hydropower plant (photo courtesy Landsvirkjun)

Landsvirkjun, the National Power Company of Iceland, has awarded a contract to ANDRITZ Hydro to uprate the second generator stator at the 130 MW Sultartangi hydroelectric station.

The scope of supply includes uprating the generator from 75 MVA to 80 MVA by changing the complete stator. The stator will be pre-stacked and wound in four pieces at the Austrian generator workshop Weiz, and the stator joints will be closed at the erection bay by ANDRITZ Hydro site specialists. The works also includes the complete dismantling, reassembling and commissioning of the generating unit.

The Sultartangi Power Station, located at the Southern Region of Iceland, was put into commercial operation in 1999. The station uses water from the River Tungnaá and the River Thjórsás, as the two rivers are joined in the Sultartangalón Reservoir above the station. Average annual electricity production at the station is 1,020 GWh.

ANDRITZ Hydro commissioned the uprate of the first generator stator at the site in September 2021.

Landsvirkjun operates 19 power stations in total, consisting of 15 hydropower stations (40 units), three geothermal power stations (5 units) and one wind power field (two windmills). The company’s otal installed power capacity is 2,148 MW, with an entire generation capacity of about 14 TWh/year.

ANDRITZ Hydro also has worked on Landsvirkjun’s greenfield hydropower projects Karahnjukar and HPP Búrfell Extension.