With the default inputs (Electricity used this month 900; Electricity rate 18.34; Fixed monthly charge $15; Taxes and fees 5%; State U.S. average (18.34¢/kWh)), this calculator returns Estimated Monthly Bill $189.06, Energy Charge $165.06 and Fixed Charges $15.00.
Every row is computed with this page's own calculator. Change the inputs above to model your own numbers.
| Monthly usage | Estimated Monthly Bill | Energy Charge |
|---|---|---|
| 300 kWh | $73.52 | $55.02 |
| 500 kWh | $112.04 | $91.70 |
| 750 kWh | $160.18 | $137.55 |
| 900 kWh | $189.06 | $165.06 |
| 1,200 kWh | $246.83 | $220.08 |
| 1,500 kWh | $304.61 | $275.10 |
| 2,000 kWh | $400.89 | $366.80 |
Enter the electricity consumed during the month in kilowatt-hours, followed by the electricity rate in cents per kWh. Add the fixed monthly customer charge and the applicable percentage for taxes and fees. A state selection can supply a reference electricity rate.
The calculator separates the result into the energy charge, fixed charges, and taxes and fees. It also reports the estimated monthly bill, annual cost, and all-in rate. The all-in rate represents the total bill divided by electricity use, making it useful when evaluating the cost of appliances or electric vehicle charging.
The default rate is the U.S. average residential electricity price of 18.34 cents per kWh for June 2026. Actual utility pricing may differ by provider, service plan, and billing period.
Most residential bills combine a usage-based energy charge with a fixed monthly customer charge. Some utilities use tiered or time-of-use rates, which this calculator approximates with one average electricity rate.
The default example uses 900 kWh of electricity for the month at 18.34 cents per kWh. It includes a $15 fixed monthly charge and 5% for taxes and fees. The selected state option is U.S. average (18.34¢/kWh).
Multiplying the monthly consumption by the rate produces Energy Charge: $165.06. Adding the monthly customer amount gives Fixed Charges: $15.00. Applying the entered percentage produces Taxes and Fees: $9.00.
The final results are Estimated Monthly Bill: $189.06, All-in Rate: 21.01¢/kWh, and Annual Cost: $2,268.76. The annual figure extends the monthly estimate across a full year with the same assumptions.
When a bill uses tiered rates, an average rate can provide a practical approximation. For time-of-use service, a single rate does not capture differences between peak and off-peak consumption.
Utility bills can contain adjustments that are not represented by these inputs. Tiered pricing, time-of-use rates, credits, minimum bills, and charges calculated using another method may cause the statement total to differ. Among states, June 2026 residential averages ranged from 13.11 cents in Nevada to 52.72 cents in Hawaii, but individual plans can vary.
To estimate the cost of operating a specific device, use the Electricity Cost Calculator. To explore how electricity costs compare with potential solar production savings, use the Solar Savings Calculator.