Lenovo 13GN: $7 a year to run
This model (Computers) uses 33 kWh of electricity a year, which costs about $7 a year and $69 over 10 years at 21.0¢/kWh.
Energy use
33 kWh
per year
Running cost per year
$7
21.0¢/kWh
Running cost over 10 years
$69
Efficiency rank
1,400 / 1,748
Product details
| Type | Desktop |
|---|---|
| Available since | August 29, 2025 |
Compared with the average model (Computers), this one costs about $2 more a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| COMPUMAX 1046-800-0001 | 33 | $7 |
| COMPUMAX 1051-800-0001 | 32 | $7 |
| Acer Veriton Vero N4730GT | 32 | $7 |
| ELO ESY00G2 | 32 | $7 |
| Lenovo 12TD | 32 | $7 |
| Framework FRAMPA0000 | 32 | $7 |
| ASUS PN42 | 32 | $7 |
| Lenovo 13K5 | 31 | $7 |
- 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