Water supply and sewerage services in Leeds are provided by Yorkshire Water, part of the Kelda Group. Prior to 1973 water and sewerage services had been provided by the Leeds Corporation. Leeds City Council has a target of 11MW of renewable energy from onshore wind by 2010 and an aspirational target of 75MW by 2020. There are currently no operational wind farms in Leeds, but a planning application by Banks Renewables Ltd for five turbines at Hook Moor near Micklefield was approved in 2011.