The average new side-by-side refrigerator uses 636 kWh a year — about $116 a year or $9.64 a month at the U.S. average of 18.19¢/kWh.
At 18.19¢/kWh — U.S. average, Jan–Aug 2026 (EIA).
| Period | kWh | Cost |
|---|---|---|
| Per hour (avg) | 0.073 | $0.01 |
| Per day | 1.74 | $0.32 |
| Per month | 53 | $9.64 |
| Per year | 636 | $116 |
| Type | kWh/yr | Per year |
|---|---|---|
| French door | 557 | $101 |
| Top freezer | 366 | $66.58 |
| Side-by-side | 636 | $116 |
| Freezerless | 284 | $51.66 |
| Mini fridge | 257 | $46.75 |
| Wine cooler | 178 | $32.38 |
| Chest freezer | 263 | $47.84 |
| Upright freezer | 450 | $81.86 |
| Compact freezer | 259 | $47.11 |
| State | ¢/kWh | Per month | Per year |
|---|---|---|---|
| Hawaii | 46.41 | $24.60 | $295 |
| California | 32.58 | $17.27 | $207 |
| Maine | 30.23 | $16.02 | $192 |
| Massachusetts | 30.19 | $16.00 | $192 |
| U.S. average | 18.19 | $9.64 | $116 |
| Utah | 13.19 | $6.99 | $83.89 |
| Idaho | 13.02 | $6.90 | $82.81 |
| Nebraska | 12.92 | $6.85 | $82.17 |
| North Dakota | 12.46 | $6.60 | $79.25 |
636 kWh × 18.19¢ = $116 a year; ÷ 12 = $9.64 a month. The kWh figure comes from the federal test behind the EnergyGuide label, so it already includes the compressor cycling on and off.
Prices are EIA's U.S. average for Jan–Aug 2026; choose your state in the calculator.
The full method, material data and tips are on the main refrigerator cost calculator page.