was installed, but Krafla was only able to operate at 60 megawatts in 1999, after the renovations were finished, which mainly consisted of renewing the steam gathering system in order to meet the standards for the double pressure inlet to the turbines and the control and safety system in general. The two companies which were in charge of the engineering of the Krafla geothermal power station since very early in its developing process were Mannvit and Verkís. Gallery See also Geothermal power in Iceland List of largest power stations in the world Renewable energy in Iceland References External links Krafla Power Station (Mannvit Engineering website) – Krafla volcano, crater lake and geothermal power station (duration: 1m29s) Geothermal power stations in Iceland