DC residential rate
District of Columbia electricity cost calculator
This calculator uses District of Columbia's residential electricity price of 25.41 cents per kWh as the default. Replace it with your own utility rate for a bill-level estimate.
In the same EIA table, District of Columbia's residential rate was 21.32 cents per kWh for the prior-year month, which is 4.09 cents/kWh higher than the prior-year month.
How to use this state rate
A state average is a useful planning baseline for comparing appliances, but it can be different from the delivered rate on a household bill. Utility territory, time-of-use pricing, taxes, and fixed charges can change the final bill.
When this page is most useful
- Comparing whether an appliance is expensive to run in District of Columbia versus the national default.
- Estimating seasonal devices like space heaters, window air conditioners, and dehumidifiers.
- Building a first-pass budget before replacing the default with your own utility bill rate.
Example monthly costs in District of Columbia
| Appliance | Usage assumption | Estimated kWh | Estimated cost |
|---|---|---|---|
| Space heater | 1,500 W for 4 hr/day | 180.0 kWh/mo | $45.74/mo |
| Window air conditioner | 900 W for 8 hr/day | 216.0 kWh/mo | $54.89/mo |
| Dehumidifier | 500 W for 8 hr/day | 120.0 kWh/mo | $30.49/mo |
| EV charging | 7,200 W for 2 hr/day | 432.0 kWh/mo | $109.77/mo |
Next step
If you know the appliance watts, use the calculator on this page. If you only have a nameplate, label, or smart plug reading, start with the appliance electricity measurement guide before comparing costs.
Source: U.S. Energy Information Administration Electric Power Monthly, Table 5.6.A. State source period: April 2026 preliminary monthly residential average. Site data refreshed: 2026-06-29. Monthly EIA values are preliminary and household bills can include fixed charges, taxes, and utility-specific pricing.