Lenovo 83F9: $2 a year to run
This model (Computers) uses 9 kWh of electricity a year, which costs about $2 a year and $20 over 10 years at 21.0¢/kWh.
Energy use
9 kWh
per year
Running cost per year
$2
21.0¢/kWh
Running cost over 10 years
$20
Efficiency rank
189 / 1,748
Product details
| Type | Desktop |
|---|---|
| Available since | November 27, 2023 |
Compared with the average model (Computers), this one saves about $3 a year.
- 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