HP HSN-I45C-3: $2 a year to run
This model (Computers) uses 12 kWh of electricity a year, which costs about $2 a year and $25 over 10 years at 21.0¢/kWh.
Energy use
12 kWh
per year
Running cost per year
$2
21.0¢/kWh
Running cost over 10 years
$25
Efficiency rank
464 / 1,748
Product details
| Type | Notebook |
|---|---|
| Battery capacity (Wh) | 56.0 |
| Available since | March 24, 2022 |
Compared with the average model (Computers), this one saves about $3 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Acer A3SP14-31PT | 12 | $2 |
| ASUS BR1104FTA | 12 | $2 |
| DELL Dell Pro Education 11 PE11260 2-in-1 | 12 | $2 |
| HP HSN-I48C | 12 | $2 |
| HP 14-fm | 12 | $2 |
| Lenovo 21Y2 | 12 | $2 |
| Lenovo 21V7 | 12 | $2 |
| Lenovo Lenovo V15 G4 AMN | 12 | $2 |
- 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