Most homes use both natural gas and electric energy.
Electric energy is measured in kilowatt hours , or kwh .
A kwh measures power used over time. A therm contains 100,000 Btu of heat energy. Even if you have NSP electric service, you might or might not have NSP natural gas service, which depends on where you live. You can lower your energy bill by making wise energy decisions that shrink your energy use. Wise energy decisions help lower the number of kwh or th you use, and you probably will notice the results on your monthly NSP energy bill.