HS Orka is a privately-owned Icelandic energy company that produces electricity and hot water mainly from geothermal sources, mainly on the Reykjanes Peninsula. It is the third largest electricity producer in Iceland, after Landsvirkjun and Orka Nátturinnar. HS Orka operates two geothermal power plants: Svartsengi and Reykjanes, as well as a small hydropower station, Brú. As of 2022, its total installed electrical capacity is 215 MW, and 190 MWth geothermal hot water power.