Technology contracts in small power

OneCo West's Energy department has recently won several exciting and technologically demanding contracts for the delivery of automation and electrical solutions for small power plants. Holsfossen Power StationHolsfossen Power Station is owned and operated by Eidsiva Vannkraft AS.

OneCo West's Energy department has recently won several exciting and technologically demanding contracts for the delivery of automation and electrical solutions for small power plants.

Holsfossen power station
Holsfossen Power Station is owned and operated by Eidsiva Vannkraft AS.
The power plant utilises a drop of 23.9 m in Holsfossen. The existing plant was built in 1913-1914 and was last remodelled in 1930. Today, the power plant appears very worn and unreliable, and Eidsiva Vannkraft AS wanted to carry out a complete renovation of Holsfossen power plant.
The refurbishment plan includes a new intake, replacement and increase in the dimension of the inlet pipe, new mechanical and electrical equipment and a new power station building. Of the existing power plant, only the threshold dam will be retained.
Holsfossen power station is located in Gausdal municipality, about 20 kilometres north of Lillehammer.
The plant consists of 1x2500kVA Kaplan turbine with associated 690V, 2500kVA synchronous generator.

The scope of delivery for OneCo includes the control system, 22kV appliance system, substation and generator transformer, auxiliary system, HS/LS installation and commissioning of the system. It must be possible to operate the plant from an external control centre via the IEC-60870-5-104 protocol. Commissioning of the plant is planned for autumn 2013.

New Haukeland Power Station
The new Haukland power station is located in Moi in Lund municipality, Rogaland county. The power station's intake reservoir, where the intake pipe starts, is called Stemmevatn. The end customer is Dalane Kraft AS.
The plant consists of 1 x 5500kVA Francis turbine with 1 x 6.6kV synchronous generator that can be regulated for island operation.

In addition to automation and installation, the scope of delivery for OneCo also includes complete installation of lighting and heating in the substation and delivery of a new main transformer. It will also be possible to operate the plant from a remote control centre via the IEC-60870-5-104 protocol. Commissioning of the plant is planned for autumn 2013.

Storelvvatn Power Station
A new Storelvvatnet power station will be built in Fauske municipality. The contractor is SKS Produksjon AS. Storelvvatnet power plant will utilise the catchment areas for the Rupsi and Storelvvatnet intake reservoirs, as well as a smaller stream intake, all of which are included in the licence for Lomi power plant. The plant consists of 1x5000kVA Francis turbine with 6.6kV synchronous generator

The scope of delivery for OneCo includes a control system, 24kV appliance system, complete 110VDC auxiliary system, main earth, installation, station and generator transformer, distribution boards. The system must also be able to be operated from a remote control centre via IEC-60870-5-104 protocol. Commissioning of the plant is planned for autumn 2013.