HP HSN-I65C-4: $4 a year to run
This model (Computers) uses 20 kWh of electricity a year, which costs about $4 a year and $42 over 10 years at 21.0¢/kWh.
Energy use
20 kWh
per year
Running cost per year
$4
21.0¢/kWh
Running cost over 10 years
$42
Efficiency rank
1,225 / 1,748
Product details
| Type | Notebook |
|---|---|
| Battery capacity (Wh) | 68.0 |
| Available since | January 30, 2026 |
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| ASUS UM5606K | 20 | $4 |
| DELL Dell Pro Precision 5 14S PW514265 | 20 | $4 |
| dynabook PNM20* | 20 | $4 |
| dynabook PNM10* | 20 | $4 |
| Acer N25C1 | 20 | $4 |
| DELL DA14250 | 20 | $4 |
| Lenovo 21L7 | 20 | $4 |
| dynabook PMM20* | 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