Server Farms

The computing power required to mine bitcoins has drawn companies to Washington for the state's cheap, hydroelectric generated power.
May 25, 2014   Gizmodo
Seattle’s Office of Sustainability & Environment (OSE) is looking to an unusual source for energy: the area’s data centers.
Jan 27, 2014   Next City
Internet server farms suck up enormous amounts of energy keeping all those mainframes cool. So Facebook has announced it will build in Northern Sweden and use only the natural air to chill their facility.
Oct 27, 2011   The Telegraph