Data through June 2026
Running cost · Computer Monitors · ENERGY STAR certified
AOC 24B3CA2
At the standardized usage ENERGY STAR assumes, the AOC 24B3CA2 consumes 46 kWh a year — about $8.43 at the U.S. average electricity rate ($0.70 a month). That's close to the middle of the certified pack — about 2% above the median computer monitor, ranked 816 of 1530. Where you live moves the bill from $6.03 a year in Nevada to $24 in Hawaii.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$8.43/yr
- Per month
- $0.70
- Per day
- 2¢
- Certified use
- 46 kWh/yr
- Screen size
- 23.8 in
- Panel
- IPS LCD
- On-mode power
- 14.55 W
- Sleep-mode power
- 0.24 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $7.54 | |
| Alaska | 28.2¢ | $13 | |
| Arizona | 15.2¢ | $6.98 | |
| Arkansas | 14.1¢ | $6.49 | |
| California | 34.7¢ | $16 | |
| Colorado | 17.1¢ | $7.88 | |
| Connecticut | 24.3¢ | $11 | |
| Delaware | 19.3¢ | $8.87 | |
| District of Columbia | 24.4¢ | $11 | |
| Florida | 15.1¢ | $6.94 | |
| Georgia | 16.4¢ | $7.52 | |
| Hawaiipriciest | 52.7¢ | $24 | |
| Idaho | 14.4¢ | $6.61 | |
| Illinois | 19.9¢ | $9.15 | |
| Indiana | 17.5¢ | $8.05 | |
| Iowa | 15.9¢ | $7.32 | |
| Kansas | 15.7¢ | $7.22 | |
| Kentucky | 14.3¢ | $6.56 | |
| Louisiana | 13.5¢ | $6.20 | |
| Maine | 29.6¢ | $14 | |
| Maryland | 21.8¢ | $10 | |
| Massachusetts | 29.6¢ | $14 | |
| Michigan | 23.0¢ | $11 | |
| Minnesota | 17.5¢ | $8.06 | |
| Mississippi | 14.9¢ | $6.84 | |
| Missouri | 16.2¢ | $7.46 | |
| Montana | 15.1¢ | $6.96 | |
| Nebraska | 13.3¢ | $6.09 | |
| Nevadacheapest | 13.1¢ | $6.03 | |
| New Hampshire | 27.0¢ | $12 | |
| New Jersey | 24.9¢ | $11 | |
| New Mexico | 15.1¢ | $6.92 | |
| New York | 29.5¢ | $14 | |
| North Carolina | 14.7¢ | $6.78 | |
| North Dakota | 14.1¢ | $6.49 | |
| Ohio | 19.2¢ | $8.82 | |
| Oklahoma | 14.3¢ | $6.59 | |
| Oregon | 16.3¢ | $7.50 | |
| Pennsylvania | 21.7¢ | $9.99 | |
| Rhode Island | 29.2¢ | $13 | |
| South Carolina | 15.6¢ | $7.15 | |
| South Dakota | 15.4¢ | $7.06 | |
| Tennessee | 14.1¢ | $6.47 | |
| Texas | 15.9¢ | $7.33 | |
| Utah | 13.4¢ | $6.15 | |
| Vermont | 24.4¢ | $11 | |
| Virginia | 17.2¢ | $7.92 | |
| Washington | 14.9¢ | $6.86 | |
| West Virginia | 15.4¢ | $7.10 | |
| Wisconsin | 19.6¢ | $8.99 | |
| Wyoming | 15.2¢ | $7.01 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| ASUS VY279 | 46 | $8.43 |
| MSI PRO MAX 271QPHW E14 | 46 | $8.43 |
| Lenovo A25238FT1 | 46 | $8.43 |
| LG 24BP750C | 46 | $8.44 |
| LG 24BP75CP | 46 | $8.44 |
| LG 24MP750C | 46 | $8.44 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.70
- Per year
- $8.44
46 kWh/yr × 18.3¢/kWh = $8.44/yr
Prefilled with this model's certified 46 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 AOC 24B3CA2 use?
- ENERGY STAR certifies the AOC 24B3CA2 at 46 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 AOC 24B3CA2 cost to run per month?
- About $0.70 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $8.43 a year. Your state's rate moves this up or down; see the table above.
- Is the AOC 24B3CA2 energy efficient?
- It uses 2% more electricity than the median certified computer monitor.
- What does the AOC 24B3CA2 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $6.03 a year in Nevada (13.1¢/kWh) and $24 in Hawaii (52.7¢/kWh).