dynabook Computers: energy use and running cost
The average model uses 24 kWh a year, which costs $5 a year at 21.0¢/kWh.
Most efficient models
| Model | kWh/year | Cost/year |
|---|---|---|
| dynabook PDS10 | 7 | $2 |
| dynabook Dynabook Chromebook C11 | 8 | $2 |
| dynabook PQU40* | 8 | $2 |
| dynabook PAC10* | 9 | $2 |
| dynabook PPE40* | 10 | $2 |
| dynabook PQU30* | 10 | $2 |
| dynabook PPE20* | 10 | $2 |
| dynabook PZA40* | 10 | $2 |
| dynabook PPE30* | 10 | $2 |
| dynabook PZA20* | 11 | $2 |
| dynabook WLM10* | 11 | $2 |
| dynabook PDA60* | 11 | $2 |
| dynabook PZA30* | 11 | $2 |
| dynabook PNM35U | 12 | $2 |
| dynabook WLL10* | 12 | $2 |
| dynabook PZA10* | 12 | $2 |
| dynabook PNM33U | 12 | $2 |
| dynabook PNL33U | 12 | $3 |
| dynabook PQU10* | 12 | $3 |
| dynabook PNL35U | 12 | $3 |
| dynabook PDA40* | 13 | $3 |
| dynabook PDA30* | 13 | $3 |
| dynabook PSY20U | 13 | $3 |
| dynabook PCR40* | 14 | $3 |
| dynabook PCR30* | 14 | $3 |
| dynabook PDA50* | 14 | $3 |
| dynabook BHM13U | 15 | $3 |
| dynabook DLM13U | 16 | $3 |
| dynabook DLL13 | 16 | $3 |
| dynabook BHL13U | 16 | $3 |
| dynabook PFR1# | 17 | $3 |
| dynabook PSY24U | 17 | $3 |
| dynabook PSY2#* | 17 | $4 |
| dynabook PSY28U | 18 | $4 |
| dynabook PMM30* | 19 | $4 |
| dynabook CED10* | 19 | $4 |
| dynabook PMM20* | 20 | $4 |
| dynabook PNL20* | 20 | $4 |
| dynabook PNM10* | 20 | $4 |
| dynabook PNM20* | 20 | $4 |
| dynabook PML30* | 20 | $4 |
| dynabook PML20* | 20 | $4 |
| dynabook PNL10* | 20 | $4 |
- 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