How much does an electric blanket cost to run in Tennessee?
$3.42 a month while in use, November to March
- A day of use
- $0.11
- An hour of running
- $0.01
- A year (season only)
- $17.00
100 W, 8 hours a night at full power (double size), November to March, at Tennessee’s average rate of 14.1¢ 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 in use | A year |
|---|---|---|---|
| 1 hour a day | $0.01 | $0.43 | $2.12 |
| 2 hours a day | $0.03 | $0.86 | $4.25 |
| 4 hours a day | $0.06 | $1.71 | $8.50 |
| 8 hours a day typical | $0.11 | $3.42 | $17.00 |
| 24 hours a day | $0.34 | $10.27 | $50.99 |
Models range from 60 W to 100 W (Virginia Cooperative Extension). We use 100 W, double-size figure from the source.
Tennessee compared with other states
Tennessee’s residential rate is the 5th cheapest of 51 states and DC, 4.3¢ below the US average of 18.3¢ (−23%). Tennessee’s rate is up 0.3¢ from June 2025 (13.8¢, +1.8%).
Ways to spend less
- Warm the bed for 30 minutes before you get in, then switch it off or to low. Saves about $3.21 a month in season.
- Use the timer so it doesn't run all night.
- Pair it with a lower thermostat setting overnight; that is where the real saving is.
Questions
How much does it cost to run an electric blanket per hour?
About $0.01 an hour in Tennessee. An electric blanket at 100 W uses 0.100 kWh per hour, and at Tennessee’s average of 14.1¢ per kWh that comes to $0.01.
How much does an electric blanket add to your electric bill?
Used 8 hours a night at full power (double size), November to March, about $3.42 a month while it is in use in Tennessee, or $17.00 a year across the November to March season.
How much does it cost to run an electric blanket 24 hours a day?
Running nonstop, an electric blanket would use 2.40 kWh a day and cost $0.34 a day, or $10.27 over an average month in Tennessee.
How many watts does an electric blanket use?
Models range from 60 W to 100 W (Virginia Cooperative Extension). We use 100 W, double-size figure from the source. Check the label on yours: cost scales directly with watts, so a 20% lower wattage means a 20% lower bill.
Why does an electric blanket cost more or less to run in Tennessee than elsewhere?
Tennessee’s residential rate is the 5th cheapest of 51 states and DC, 4.3¢ below the US average of 18.3¢ (−23%). Tennessee’s rate is up 0.3¢ from June 2025 (13.8¢, +1.8%). 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.