Lenovo 13CA: $3 a year to run
This model (Computers) uses 15 kWh of electricity a year, which costs about $3 a year and $31 over 10 years at 21.0¢/kWh.
Energy use
15 kWh
per year
Running cost per year
$3
21.0¢/kWh
Running cost over 10 years
$31
Efficiency rank
841 / 1,748
Product details
| Type | Desktop |
|---|---|
| Available since | February 15, 2025 |
Compared with the average model (Computers), this one saves about $2 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| AOpen AOPEN Chromebox Commercial 5 | 14 | $3 |
| Apple A3238 | 14 | $3 |
| Microsoft 2104 | 14 | $3 |
| Acer CXM1 | 14 | $3 |
| Acer D26U11 | 14 | $3 |
| AOpen AOPEN Chromebox Mini 3 | 12 | $2 |
| ASUS VM31 | 11 | $2 |
| Ace Computers VS-DMX300 | 10 | $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