At 1000 kWh a 75 bill credit kicks in dropping your average rate to 75kWh. LPG 1L 69 kWh of energy. The kilowatt-hour is a composite unit of energy equal to one kilowatt kW of power sustained for one hour.
However the latest stats show that the average UK household in 2017 used 3374 kWh.
Enter the average power consumption of the device in watts. IC The initial capital investment or Capex is the total cost of the entire installation which according to AWEA American Wind Energy Association is about 13 million for a 1-MW 1000 kW turbine. This could be marked on the device in the owners manual or in the technical specifications. A kilowatt hour kWh is a unit used to measure energy usage.