dynabook PAC10*: $2 a year to run

This model (Computers) uses 9 kWh of electricity a year, which costs about $2 a year and $19 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
$19
Efficiency rank
161 / 1,748

Product details

TypeNotebook
Battery capacity (Wh)58.0
Available sinceNovember 2, 2026

Compared with the average model (Computers), this one saves about $3 a year.

More efficient alternatives

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