Lenovo 30G9: $14 a year to run

This model (Computers) uses 66 kWh of electricity a year, which costs about $14 a year and $140 over 10 years at 21.0¢/kWh.

Energy use
66 kWh
per year
Running cost per year
$14
21.0¢/kWh
Running cost over 10 years
$140
Efficiency rank
1,626 / 1,748

Product details

TypeWorkstation
Available sinceMay 12, 2023

Compared with the average model (Computers), this one costs about $9 more a year.

More efficient alternatives

Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology