V = volt (spenning)
A = ampere (strøm)
W = watt (effekt)
kV = kilovolt (1000 volt)
kW = kilowatt (1.000 watt)
kWh = kilowattime (energi)
MW = megawatt (1.000 kW)
MWh = megawattime (1.000 kWh)
GW = gigawatt (1.000.000 kW)
GWh = gigawattime (1 mill. kWh)
TW = terrawatt (1.000.000.000 kW)
TWh = terrawattime (1 mrd. kWh)