 Nord-Trøndelag is the only county that managed to create a fully vertical integrated power company that controlled the entire power grid and all production facilities throughout the entire country, and was wholly owned by the county municipality.The last purchase was Statkrafts ownership in the powerplants in Indre Namdal in 2004.On 5 October 2009, NTE and Østfold Energi announced that they, through their 50–50% joint venture Norsk Vannkraftproduksjon had bought the power stations Siso and Laksola from Elkem for NOK 4.3 billion.