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EIA prices updated through 2026-05

Understand your home’s electricity costs.

Accurate starting points, editable assumptions, and formulas you can inspect. No account, no mystery score.

Calculate my cost Why is my bill high?
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  • Official U.S. data
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Cooling
Devices
Heating
Charging
Estimated monthly cost$187/month Replace with your inputs
1,080 kWh home use

Quick estimate

What does it cost to run?

Live result
Estimated monthly cost$33.19180.0 kWh per month
$1.11 per day$398 per year
Detailed calculator

Runs in your browser. Nothing is stored.

Transparent mathEvery result shows the formula.

51 current state prices2026-05 EIA residential averages.

Built for real billsUse your own kWh and all-in price.

Calculator lab

Start with the question you have.

Each tool is designed around the inputs found on an appliance label, EnergyGuide label, vehicle specification, or electric bill.

Appliance cost

Watts, runtime, and your price per kWh.

Calculate

Air conditioner

BTU, EER, cycling, and cooling days.

Calculate

EV charging

Miles, efficiency, losses, and local price.

Calculate

Space heater

High-wattage heating cost by runtime.

Calculate

Pool pump

Pump wattage and daily schedule.

Calculate

Monthly bill

Household kWh, fixed fees, and state price.

Calculate
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Electricity prices by state

Your location can change the answer by 3×.

The latest 2026-05 residential average ranged from 12.35¢ per kWh in Idaho to 52.00¢ in Hawaii. Use state data as a starting point, then replace it with the all-in price from your own bill.

2026-05 U.S. residential average18.44¢/kWh
Compare all states
High-price examplesEstimated 1,000 kWh
01Hawaii52.00¢/kWh$520.0002California33.25¢/kWh$332.5003New York29.93¢/kWh$299.3004Rhode Island29.46¢/kWh$294.60
Latest monthly averages can be seasonal. Energy charges only; fixed fees and plan-specific adjustments are not included.

Appliance library

See what each device can add.

Every guide opens with realistic starting assumptions, then gives you an editable calculator and state-by-state context.

Space Heater1,500 W starting input$33.19/moWindow Air Conditioner1,000 W starting input$44.26/moRefrigerator150 W starting input$6.64/moElectric Clothes Dryer3,000 W starting input$8.30/moGaming PC500 W starting input$11.06/moPool Pump1,100 W starting input$48.68/moHome EV Charger7,200 W starting input$59.75/moDishwasher1,800 W starting input$4.98/mo
Browse all appliance guides

Bill suddenly higher?

Separate usage from price.

Compare two bills to see whether the larger change came from kilowatt-hours, the all-in price, or both—then get a focused checklist for what to inspect.

  • Compare amount due and kWh
  • Calculate the all-in price change
  • Prioritize the next checks
Analyze two bills

Plain-English guides

Learn the method, not just the answer.

View guide library
01 · Energy basics

How to Calculate Electricity Cost

A four-step method for converting an appliance label into daily, monthly, and yearly electricity cost.

7 min read 02 · Electric bills

How to Find Your Electricity Rate on a Bill

Utility bills can show several rates and fees. One division gives you a practical price for estimating what the billed energy actually cost.

5 min read 03 · Energy basics

What Is a Kilowatt-Hour?

A kilowatt-hour (kWh) measures energy used over time. It is the unit most U.S. electric utilities use to bill household consumption.

8 min read