Gateway Computers: energy use and running cost
The average model uses 24 kWh a year, which costs $5 a year at 21.0¢/kWh.
Most efficient models
| Model | kWh/year | Cost/year |
|---|---|---|
| Gateway CBO311-2H | 7 | $2 |
| Gateway CBO314-1H | 8 | $2 |
| Gateway N24P2 | 8 | $2 |
| Gateway CBO314-2H | 9 | $2 |
| Gateway AL15-36P | 13 | $3 |
- Refrigerators
- Freezers
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Water heaters
- Electric cooktops and ranges
- Televisions
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology