ASUS FA401: $4 a year to run
This model (Computers) uses 21 kWh of electricity a year, which costs about $4 a year and $43 over 10 years at 21.0¢/kWh.
Energy use
21 kWh
per year
Running cost per year
$4
21.0¢/kWh
Running cost over 10 years
$43
Efficiency rank
1,249 / 1,748
Product details
| Type | Notebook |
|---|---|
| Battery capacity (Wh) | 73.0 |
| Available since | July 1, 2025 |
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Lenovo 1) ThinkBook 14 G6 IRL | 20 | $4 |
| Lenovo Legion 5 15AHP10 | 20 | $4 |
| dynabook PNL10* | 20 | $4 |
| dynabook PML20* | 20 | $4 |
| DELL PW514261 | 20 | $4 |
| HP HSN-Q38C-6 | 20 | $4 |
| Lenovo 21RH | 20 | $4 |
| MSI 824142424971 | 20 | $4 |
- 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