Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
ASUS BE249QFK
At the standardized usage ENERGY STAR assumes, the ASUS BE249QFK consumes 32 kWh a year — about $6.00 at the U.S. average electricity rate ($0.50 a month). Only a handful of certified computer monitors do better: it ranks 146 of 1482 and undercuts the median by 29%. Where you live moves the bill from $3.93 a year in North Dakota to $15 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$6.00/yr
- Per month
- $0.50
- Per day
- 2¢
- Certified use
- 32 kWh/yr
- Screen size
- 23.8 in
- Panel
- IPS LCD
- On-mode power
- 10 W
- Sleep-mode power
- 0.21 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.55 | |
| Alaska | 27.4¢ | $8.71 | |
| Arizona | 15.5¢ | $4.93 | |
| Arkansas | 14.2¢ | $4.51 | |
| California | 35.3¢ | $11 | |
| Colorado | 16.5¢ | $5.27 | |
| Connecticut | 32.2¢ | $10 | |
| Delaware | 18.8¢ | $5.99 | |
| District of Columbia | 25.4¢ | $8.10 | |
| Florida | 15.4¢ | $4.90 | |
| Georgia | 15.4¢ | $4.90 | |
| Hawaiipriciest | 46.6¢ | $15 | |
| Idaho | 12.7¢ | $4.05 | |
| Illinois | 20.5¢ | $6.52 | |
| Indiana | 17.9¢ | $5.70 | |
| Iowa | 13.9¢ | $4.42 | |
| Kansas | 15.8¢ | $5.03 | |
| Kentucky | 15.0¢ | $4.79 | |
| Louisiana | 14.4¢ | $4.60 | |
| Maine | 28.4¢ | $9.05 | |
| Maryland | 22.1¢ | $7.03 | |
| Massachusetts | 29.4¢ | $9.38 | |
| Michigan | 21.4¢ | $6.81 | |
| Minnesota | 16.4¢ | $5.22 | |
| Mississippi | 16.8¢ | $5.34 | |
| Missouri | 14.0¢ | $4.46 | |
| Montana | 13.9¢ | $4.43 | |
| Nebraska | 13.3¢ | $4.23 | |
| Nevada | 14.3¢ | $4.55 | |
| New Hampshire | 27.2¢ | $8.68 | |
| New Jersey | 23.5¢ | $7.50 | |
| New Mexico | 15.2¢ | $4.83 | |
| New York | 29.4¢ | $9.38 | |
| North Carolina | 16.3¢ | $5.18 | |
| North Dakotacheapest | 12.3¢ | $3.93 | |
| Ohio | 19.5¢ | $6.21 | |
| Oklahoma | 13.3¢ | $4.24 | |
| Oregon | 15.8¢ | $5.03 | |
| Pennsylvania | 21.5¢ | $6.84 | |
| Rhode Island | 28.3¢ | $9.02 | |
| South Carolina | 17.1¢ | $5.44 | |
| South Dakota | 14.5¢ | $4.63 | |
| Tennessee | 14.9¢ | $4.76 | |
| Texas | 17.0¢ | $5.41 | |
| Utah | 13.3¢ | $4.23 | |
| Vermont | 24.6¢ | $7.82 | |
| Virginia | 17.4¢ | $5.54 | |
| Washington | 14.4¢ | $4.58 | |
| West Virginia | 16.1¢ | $5.12 | |
| Wisconsin | 19.2¢ | $6.12 | |
| Wyoming | 14.7¢ | $4.68 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Acer EV206HQL | 32 | $6.00 |
| DELL P2426Ht | 32 | $5.99 |
| Lenovo H22195HE0 | 32 | $5.99 |
| Acer B227Q | 32 | $5.99 |
| DELL E2225HM | 32 | $5.99 |
| DELL E2026Hf | 32 | $5.99 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.50
- Per year
- $6.03
32 kWh/yr × 18.8¢/kWh = $6.03/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 ASUS BE249QFK use?
- ENERGY STAR certifies the ASUS BE249QFK 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 ASUS BE249QFK cost to run per month?
- About $0.50 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.00 a year. Your state's rate moves this up or down; see the table above.
- Is the ASUS BE249QFK energy efficient?
- It uses 29% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
- What does the ASUS BE249QFK cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $3.93 a year in North Dakota (12.3¢/kWh) and $15 in Hawaii (46.6¢/kWh).