Explaining a unit of electricity

May 28th, 2010 by Gavin Lanoe

Guernsey Electricity Ltd. charges for electricity in units.  One unit is equivalent to using 1000 watts of power (one kilowatt) for one hour.  This is expressed as a kilowatt hour or kW.h.  If a piece of equipment uses 500 watts it would use 1 kW.h in two hours.  (500 watts x 2 hours = 1 [...]