Lenovo 30JQ: $5 a year to run
This model (Computers) uses 25 kWh of electricity a year, which costs about $5 a year and $52 over 10 years at 21.0¢/kWh.
Energy use
25 kWh
per year
Running cost per year
$5
21.0¢/kWh
Running cost over 10 years
$52
Efficiency rank
1,325 / 1,748
Product details
| Type | Workstation |
|---|---|
| Available since | June 19, 2025 |
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Lenovo 30GR | 23 | $5 |
| Lenovo 30J5 | 22 | $5 |
| Lenovo 30FR | 21 | $4 |
| Lenovo 30HA | 21 | $4 |
| DELL FCT2250 | 20 | $4 |
| HP FCWF001MT-700 | 19 | $4 |
| HP HP Z2 Tower G1i Workstation | 19 | $4 |
| DELL Precision 3680 Tower | 17 | $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