Data through June 2026
Running cost · Computer Monitors · ENERGY STAR certified
BenQ GW2480-B
At the standardized usage ENERGY STAR assumes, the BenQ GW2480-B consumes 32 kWh a year — about $5.92 at the U.S. average electricity rate ($0.49 a month). That's 28% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (168 of 1530). Where you live moves the bill from $4.23 a year in Nevada to $17 in Hawaii.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$5.92/yr
- Per month
- $0.49
- Per day
- 2¢
- Certified use
- 32 kWh/yr
- Screen size
- 23.8 in
- Panel
- IPS LCD
- On-mode power
- 10.2 W
- Sleep-mode power
- 0.2 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $5.30 | |
| Alaska | 28.2¢ | $9.11 | |
| Arizona | 15.2¢ | $4.90 | |
| Arkansas | 14.1¢ | $4.56 | |
| California | 34.7¢ | $11 | |
| Colorado | 17.1¢ | $5.53 | |
| Connecticut | 24.3¢ | $7.86 | |
| Delaware | 19.3¢ | $6.23 | |
| District of Columbia | 24.4¢ | $7.88 | |
| Florida | 15.1¢ | $4.88 | |
| Georgia | 16.4¢ | $5.28 | |
| Hawaiipriciest | 52.7¢ | $17 | |
| Idaho | 14.4¢ | $4.64 | |
| Illinois | 19.9¢ | $6.42 | |
| Indiana | 17.5¢ | $5.66 | |
| Iowa | 15.9¢ | $5.15 | |
| Kansas | 15.7¢ | $5.07 | |
| Kentucky | 14.3¢ | $4.61 | |
| Louisiana | 13.5¢ | $4.36 | |
| Maine | 29.6¢ | $9.56 | |
| Maryland | 21.8¢ | $7.05 | |
| Massachusetts | 29.6¢ | $9.56 | |
| Michigan | 23.0¢ | $7.43 | |
| Minnesota | 17.5¢ | $5.66 | |
| Mississippi | 14.9¢ | $4.81 | |
| Missouri | 16.2¢ | $5.24 | |
| Montana | 15.1¢ | $4.89 | |
| Nebraska | 13.3¢ | $4.28 | |
| Nevadacheapest | 13.1¢ | $4.23 | |
| New Hampshire | 27.0¢ | $8.72 | |
| New Jersey | 24.9¢ | $8.06 | |
| New Mexico | 15.1¢ | $4.86 | |
| New York | 29.5¢ | $9.53 | |
| North Carolina | 14.7¢ | $4.76 | |
| North Dakota | 14.1¢ | $4.56 | |
| Ohio | 19.2¢ | $6.20 | |
| Oklahoma | 14.3¢ | $4.63 | |
| Oregon | 16.3¢ | $5.27 | |
| Pennsylvania | 21.7¢ | $7.02 | |
| Rhode Island | 29.2¢ | $9.44 | |
| South Carolina | 15.6¢ | $5.02 | |
| South Dakota | 15.4¢ | $4.96 | |
| Tennessee | 14.1¢ | $4.54 | |
| Texas | 15.9¢ | $5.15 | |
| Utah | 13.4¢ | $4.32 | |
| Vermont | 24.4¢ | $7.89 | |
| Virginia | 17.2¢ | $5.56 | |
| Washington | 14.9¢ | $4.82 | |
| West Virginia | 15.4¢ | $4.99 | |
| Wisconsin | 19.6¢ | $6.32 | |
| Wyoming | 15.2¢ | $4.92 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Lenovo D20215FT0 | 32 | $5.93 |
| ASUS VA249QG | 32 | $5.92 |
| ASUS VU279Hmost efficient | 32 | $5.92 |
| Acer B196L | 32 | $5.94 |
| Acer V247Y | 32 | $5.94 |
| ViewSonic VS18891 | 32 | $5.90 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.49
- Per year
- $5.87
32 kWh/yr × 18.3¢/kWh = $5.87/yr
Prefilled with this model's certified 32 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.
Questions, answered with the data
- How much electricity does the BenQ GW2480-B use?
- ENERGY STAR certifies the BenQ GW2480-B at 32 kWh per year. The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.
- How much does the BenQ GW2480-B cost to run per month?
- About $0.49 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $5.92 a year. Your state's rate moves this up or down; see the table above.
- Is the BenQ GW2480-B energy efficient?
- It uses 28% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
- What does the BenQ GW2480-B cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $4.23 a year in Nevada (13.1¢/kWh) and $17 in Hawaii (52.7¢/kWh).