How much does a toaster oven cost to run in Washington?
$2.78 a month
- A day of use
- $0.09
- An hour of running
- $0.18
- A year
- $33.33
1,225 W, 30 minutes a day, at Washington’s average rate of 14.9¢ per kWh (EIA, June 2026). How we calculate this
Change the watts, hours or rate
What it costs at other usage levels
| Use | A day | A month | A year |
|---|---|---|---|
| 30 minutes a day typical | $0.09 | $2.78 | $33.33 |
| 1 hour a day | $0.18 | $5.56 | $66.67 |
| 2 hours a day | $0.37 | $11.11 | $133.33 |
| 4 hours a day | $0.73 | $22.22 | $266.67 |
| 8 hours a day | $1.46 | $44.44 | $533.33 |
| 24 hours a day | $4.38 | $133.33 | $1,599.99 |
A typical model draws about 1,225 W (Virginia Cooperative Extension).
Washington compared with other states
Washington’s residential rate is the 13th cheapest of 51 states and DC, 3.4¢ below the US average of 18.3¢ (−19%). Washington’s rate is up 2.0¢ from June 2025 (13.0¢, +15.0%).
Ways to spend less
- Use it instead of the full oven for small dishes.
- Keep the door closed while it cooks.
- Switch it off a few minutes early; it keeps cooking with the heat inside.
Questions
How much does it cost to run a toaster oven per hour?
About $0.18 an hour in Washington. A toaster oven at 1,225 W uses 1.23 kWh per hour, and at Washington’s average of 14.9¢ per kWh that comes to $0.18.
How much does a toaster oven add to your electric bill?
Used 30 minutes a day, about $2.78 a month in Washington, or $33.33 a year.
How much does it cost to run a toaster oven 24 hours a day?
Running nonstop, a toaster oven would use 29.4 kWh a day and cost $4.38 a day, or $133.33 over an average month in Washington.
How many watts does a toaster oven use?
A typical model draws about 1,225 W (Virginia Cooperative Extension). Check the label on yours: cost scales directly with watts, so a 20% lower wattage means a 20% lower bill.
Why does a toaster oven cost more or less to run in Washington than elsewhere?
Washington’s residential rate is the 13th cheapest of 51 states and DC, 3.4¢ below the US average of 18.3¢ (−19%). Washington’s rate is up 2.0¢ from June 2025 (13.0¢, +15.0%). The appliance uses the same energy everywhere; only the price per kWh changes.
Sources
- Virginia Cooperative Extension: Estimating appliance and home electronic energy use (reproduces U.S. Department of Energy sample wattages)
- Penn State EGEE 102: Typical range of power consumption (wattage)
- U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A: average price of electricity to ultimate customers, residential, June 2026 Figures transcribed from republications of this table on September 26, 2026; pending direct verification from the EIA API.
- Carrier page: June 2026 residential average price, citing EIA Electric Power Monthly Table 5.6.A
Usage assumptions (hours a day, season) are ours and listed on the methodology page. Found an error? Tell us.