HP GT24: $26 a year to run

This model (Computers) uses 122 kWh of electricity a year, which costs about $26 a year and $256 over 10 years at 21.0¢/kWh.

Energy use
122 kWh
per year
Running cost per year
$26
21.0¢/kWh
Running cost over 10 years
$256
Efficiency rank
1,742 / 1,748

Product details

TypeDesktop
Available sinceMarch 30, 2026

Compared with the average model (Computers), this one costs about $21 more a year.

More efficient alternatives

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