Every ENERGY STAR certified ZGA fridge in the EPA data, with yearly running cost.
Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.
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| Rank | Model | Energy | Cost |
|---|---|---|---|
| #30 of 349, under 18 cu ft | ZGA ZRT10ASLOPR | 297 kWh | $54 at 18.16¢/kWh/yr |
| #198 of 349, under 18 cu ft | ZGA ZRT15ASLOPR | 333 kWh | $60 at 18.16¢/kWh/yr |
| #115 of 393, 18+ cu ft | ZGA ZRT18ASLOPR | 367 kWh | $67 at 18.16¢/kWh/yr |
| #289 of 393, 18+ cu ft | ZGA ZRT25ASLOPR | 425 kWh | $77 at 18.16¢/kWh/yr |
Grouped by type and size band, cheapest to run first. Each rank is by yearly cost within the model's own type and size band.