Cost to run appliances in Tennessee
Electricity in Tennessee averages 13.87¢ per kWh.
That's about 24% less than the U.S. average (18.19¢), ranking 9 of 51 from cheapest. The most recent month, July 2026, averaged 13.71¢.
| Appliance (typical use) | Per hour | Per month |
|---|---|---|
| Heating | ||
| Space heater | $0.21 | $49.93 |
| Oil-filled radiator | $0.21 | $49.93 |
| Baseboard heater | $0.21 | $49.93 |
| Electric blanket | 1¢ | $3.33 |
| Heated mattress pad | 1¢ | $3.00 |
| Electric fireplace | $0.21 | $24.97 |
| Heat pump (whole house) | $0.49 | $117 |
| Holiday | ||
| LED Christmas lights (10 strands) | 1¢ | $1.75 |
| Incandescent Christmas lights (10 strands) | 6¢ | $9.99 |
| Inflatable yard decoration | 2¢ | $3.74 |
| Home | ||
| Hot tub | 3¢ | $24.97 |
| Dehumidifier | 7¢ | $24.97 |
| Humidifier | 1¢ | $4.16 |
| Sump pump | $0.11 | $3.33 |
| Kitchen | ||
| Air fryer | $0.21 | $3.12 |
| Electric oven | $0.42 | $12.48 |
| Slow cooker | 3¢ | $6.66 |
| Instant Pot (electric pressure cooker) | $0.14 | $2.08 |
| Microwave | $0.15 | $1.14 |
| Coffee maker | $0.14 | $1.04 |
| Refrigerator | 1¢ | $5.99 |
| Chest freezer | 1¢ | $3.99 |
| Dishwasher | $0.25 | $7.49 |
| Laundry | ||
| Clothes dryer | $0.42 | $12.48 |
| Washing machine | 7¢ | $2.08 |
| Electric water heater | $0.62 | $56.17 |
| Cooling | ||
| Window air conditioner | $0.12 | $29.96 |
| Central air conditioner | $0.49 | $117 |
| Ceiling fan | 1¢ | $1.66 |
| Electronics | ||
| TV | 1¢ | $2.08 |
| Gaming PC | 6¢ | $6.66 |
| PlayStation 5 | 3¢ | $2.50 |
| Xbox Series X | 2¢ | $2.00 |
| Wi-Fi router | 0¢ | $1.00 |
| Car | ||
| EV charging (Level 2) | $1.00 | $59.92 |
Rates are average residential prices from the U.S. Energy Information Administration, January–July 2026 (EIA Electric Power Monthly). Your bill's rate may differ, so enter your own in the calculator.