Home Energy Costs in the United States

United States home energy

Home energy costs in the United States can look very different from one household to another. Electricity prices vary by state, utility and rate plan, while the amount a home uses depends on climate, equipment, insulation, occupancy and how the household operates that equipment. HomeBillLab separates those pieces so you can work from transparent inputs rather than a single national average.

Start with your own bill when possible. A state average is useful for context, but the rate on your utility bill is the better input for estimating your home. The U.S. Energy Information Administration notes that electricity prices vary by locality because of factors such as generation resources, fuel costs and regulation.

What do you want to estimate?

Air conditioning

Estimate cooling costs and understand the difference between room-AC and central-system efficiency ratings.

Explore air conditioning →

Hot water

Compare electric, heat-pump and gas water-heating scenarios or use annual EnergyGuide data.

Explore hot water →

Calculators

Go directly to the U.S. electricity, appliance, cooling, heating and hot-water calculators.

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How HomeBillLab approaches U.S. running costs

  1. Use the physical quantity first. Electricity is usually measured in kilowatt-hours (kWh), while natural gas is commonly billed in therms or other utility-specific units.
  2. Use the rate that actually applies. HomeBillLab calculators keep rate inputs visible so an average benchmark is not confused with a household tariff.
  3. Match the method to the equipment. A resistance heater can be estimated directly from electrical input and runtime; a heat pump requires an efficiency assumption or tested energy data; appliances with EnergyGuide information can often be estimated from annual kWh.
  4. Keep fixed charges separate. When the question is what one appliance costs to run, fixed customer charges are normally not assigned to that appliance unless the calculator explicitly says otherwise.

Official U.S. sources used across this section

Reviewed: 27 September 2026. Country pages are refreshed when important federal source definitions, test methods or benchmark datasets change.