LG 16Z90U-*.*******: $4 a year to run
This model (Computers) uses 17 kWh of electricity a year, which costs about $4 a year and $35 over 10 years at 21.0¢/kWh.
Energy use
17 kWh
per year
Running cost per year
$4
21.0¢/kWh
Running cost over 10 years
$35
Efficiency rank
1,052 / 1,748
Product details
| Type | Notebook |
|---|---|
| Battery capacity (Wh) | 77.0 |
| Available since | December 26, 2025 |
Compared with the average model (Computers), this one saves about $2 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| ASUS B3605CCA | 17 | $3 |
| ASUS M5506W | 17 | $3 |
| dynabook PSY24U | 17 | $3 |
| Lenovo 21WV | 17 | $3 |
| Lenovo 21SC | 17 | $3 |
| Lenovo 1) ThinkBook 14 G9 IRL | 17 | $3 |
| ASUS FA707N | 17 | $3 |
| ASUS M1807H | 17 | $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