Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
ASUS MB14AC
At the standardized usage ENERGY STAR assumes, the ASUS MB14AC consumes 15 kWh a year — about $2.90 at the U.S. average electricity rate ($0.24 a month). That puts it in the most efficient tenth of every certified computer monitor — 66% less electricity than the median, ranked 10 of 1482. The same unit costs $1.90 a year in North Dakota but $7.19 in Hawaii — electricity rates, not the appliance, make the difference.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$2.90/yr
- Per month
- $0.24
- Per day
- 1¢
- Certified use
- 15 kWh/yr
- Screen size
- 14 in
- Panel
- TFT LCD
- On-mode power
- 4.8 W
- Sleep-mode power
- 0.13 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $2.68 | |
| Alaska | 27.4¢ | $4.22 | |
| Arizona | 15.5¢ | $2.39 | |
| Arkansas | 14.2¢ | $2.18 | |
| California | 35.3¢ | $5.44 | |
| Colorado | 16.5¢ | $2.55 | |
| Connecticut | 32.2¢ | $4.97 | |
| Delaware | 18.8¢ | $2.90 | |
| District of Columbia | 25.4¢ | $3.92 | |
| Florida | 15.4¢ | $2.37 | |
| Georgia | 15.4¢ | $2.37 | |
| Hawaiipriciest | 46.6¢ | $7.19 | |
| Idaho | 12.7¢ | $1.96 | |
| Illinois | 20.5¢ | $3.16 | |
| Indiana | 17.9¢ | $2.76 | |
| Iowa | 13.9¢ | $2.14 | |
| Kansas | 15.8¢ | $2.43 | |
| Kentucky | 15.0¢ | $2.32 | |
| Louisiana | 14.4¢ | $2.23 | |
| Maine | 28.4¢ | $4.38 | |
| Maryland | 22.1¢ | $3.40 | |
| Massachusetts | 29.4¢ | $4.54 | |
| Michigan | 21.4¢ | $3.30 | |
| Minnesota | 16.4¢ | $2.53 | |
| Mississippi | 16.8¢ | $2.58 | |
| Missouri | 14.0¢ | $2.16 | |
| Montana | 13.9¢ | $2.14 | |
| Nebraska | 13.3¢ | $2.05 | |
| Nevada | 14.3¢ | $2.20 | |
| New Hampshire | 27.2¢ | $4.20 | |
| New Jersey | 23.5¢ | $3.63 | |
| New Mexico | 15.2¢ | $2.34 | |
| New York | 29.4¢ | $4.54 | |
| North Carolina | 16.3¢ | $2.51 | |
| North Dakotacheapest | 12.3¢ | $1.90 | |
| Ohio | 19.5¢ | $3.01 | |
| Oklahoma | 13.3¢ | $2.05 | |
| Oregon | 15.8¢ | $2.43 | |
| Pennsylvania | 21.5¢ | $3.31 | |
| Rhode Island | 28.3¢ | $4.36 | |
| South Carolina | 17.1¢ | $2.63 | |
| South Dakota | 14.5¢ | $2.24 | |
| Tennessee | 14.9¢ | $2.30 | |
| Texas | 17.0¢ | $2.62 | |
| Utah | 13.3¢ | $2.05 | |
| Vermont | 24.6¢ | $3.79 | |
| Virginia | 17.4¢ | $2.68 | |
| Washington | 14.4¢ | $2.21 | |
| West Virginia | 16.1¢ | $2.48 | |
| Wisconsin | 19.2¢ | $2.96 | |
| Wyoming | 14.7¢ | $2.26 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| ASUS MQ16FCmost efficient | 15 | $2.88 |
| Lenovo A25160WX0most efficient | 16 | $2.96 |
| ASUS MB166 | 16 | $2.97 |
| MSI PRO MP161 E2most efficient | 15 | $2.83 |
| EIZO FlexScan FLTmost efficient | 15 | $2.75 |
| LG 29BN650 | 16 | $3.06 |
Run your own numbers
Your rate, your numbers
- Per day
- 1¢
- Per month
- $0.24
- Per year
- $2.82
15 kWh/yr × 18.8¢/kWh = $2.82/yr
Prefilled with this model's certified 15 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 MB14AC use?
- ENERGY STAR certifies the ASUS MB14AC at 15 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 MB14AC cost to run per month?
- About $0.24 a month at the U.S. average residential rate (18.8¢/kWh) — 1¢ a day, or $2.90 a year. Your state's rate moves this up or down; see the table above.
- Is the ASUS MB14AC energy efficient?
- It uses 66% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
- What does the ASUS MB14AC cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $1.90 a year in North Dakota (12.3¢/kWh) and $7.19 in Hawaii (46.6¢/kWh).