Electric Power Industry in Nontechnical Language, 2nd Edition

kilowatt (kW) = 1,000 (one thousand) watts
megawatt (MW) = 1,000,000 (one million) watts
gigawatt (GW) = 1,000,000,000 (one billion) watts
terawatt (TW) = 1,000,000,000,000 (one trillion) watts
gigawatt (GW) = 1,000,000 (one million) kilowatts
thousand gigawatts = 1,000,000,000 (one billion) kilowatts
kilowatt-hours (kWh) = 1,000 (one thousand) watt-hours
megawatt-hours (MWh) = 1,000,000 (one million) watt-hours
gigawatt-hours (GWh) = 1,000,000,000 (one billion) watt-hours
terawatt-hours (TWh) = 1,000,000,000,000 (one trillion) watt-hours
gigawatt-hours (GWh) = 1,000,000 (one million) kilowatt-hours
thousand gigawatt-hours = 1,000,000,000 (one billion) kilowatt-hours
U.S. dollar = 1,000 (one thousand) mills
U.S. cent = 10 (ten) mills