Why did my electric bill go up?
Four short steps: your two bills (optional), the season, changes at home and the bill itself. You get the possible causes, sorted by how strong the evidence is, and a way to check each one.
Four short steps. At the end you get the possible causes, sorted by how strong the evidence is, and how to check each one. Nothing you type leaves this page.
The usual reasons a bill rises
- More use. Heating and cooling are the largest loads in most homes, so a cold or hot month shows up on the bill. Compare with the same month last year.
- A longer billing period. A 35-day bill covers 5 more days than a 30-day one; compare kWh per day.
- Higher prices. Across the U.S. the average residential price was 18.16¢ in August 2026, +3.4% from August 2025 (EIA). Your own price also depends on your plan, tiers and time-of-use hours.
- Fixed charges, taxes and credits. A new customer charge or the end of a credit raises the bill without any change in use.
- An estimated reading. The next actual reading corrects it.
If your bill doubled in one month
A bill that doubles almost always has a cause you can find on the bill itself. If the kWh doubled, look for heat: electric heat in the first cold month, a heat pump on backup ("aux" or "emergency") heat, or a space heater. If the kWh stayed about the same, look at the price per kWh, a new fixed charge or the end of a credit. If the bill covers more days or was estimated last time, compare kWh per day. In winter, see why bills jump in winter, with what electric heat and backup strips cost in your state.
Have two bills? The bill checker splits the change into exact dollar amounts. To size up one appliance, use the appliance cost calculator.