Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
ASRock CL25FFB
The ASRock CL25FFB's certified consumption is 40 kWh per year, which prices out to about $7.47 at the national average rate — your hours of use scale that directly. Compared with the median certified computer monitor, it uses 12% less electricity — rank 456 out of 1482. Where you live moves the bill from $4.90 a year in North Dakota to $18 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$7.47/yr
- Per month
- $0.62
- Per day
- 2¢
- Certified use
- 40 kWh/yr
- Screen size
- 24.5 in
- Panel
- IPS LCD
- On-mode power
- 12.68 W
- Sleep-mode power
- 0.13 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $6.90 | |
| Alaska | 27.4¢ | $11 | |
| Arizona | 15.5¢ | $6.14 | |
| Arkansas | 14.2¢ | $5.61 | |
| California | 35.3¢ | $14 | |
| Colorado | 16.5¢ | $6.56 | |
| Connecticut | 32.2¢ | $13 | |
| Delaware | 18.8¢ | $7.45 | |
| District of Columbia | 25.4¢ | $10 | |
| Florida | 15.4¢ | $6.10 | |
| Georgia | 15.4¢ | $6.09 | |
| Hawaiipriciest | 46.6¢ | $18 | |
| Idaho | 12.7¢ | $5.04 | |
| Illinois | 20.5¢ | $8.12 | |
| Indiana | 17.9¢ | $7.10 | |
| Iowa | 13.9¢ | $5.50 | |
| Kansas | 15.8¢ | $6.26 | |
| Kentucky | 15.0¢ | $5.96 | |
| Louisiana | 14.4¢ | $5.73 | |
| Maine | 28.4¢ | $11 | |
| Maryland | 22.1¢ | $8.75 | |
| Massachusetts | 29.4¢ | $12 | |
| Michigan | 21.4¢ | $8.48 | |
| Minnesota | 16.4¢ | $6.50 | |
| Mississippi | 16.8¢ | $6.65 | |
| Missouri | 14.0¢ | $5.55 | |
| Montana | 13.9¢ | $5.51 | |
| Nebraska | 13.3¢ | $5.27 | |
| Nevada | 14.3¢ | $5.67 | |
| New Hampshire | 27.2¢ | $11 | |
| New Jersey | 23.5¢ | $9.33 | |
| New Mexico | 15.2¢ | $6.01 | |
| New York | 29.4¢ | $12 | |
| North Carolina | 16.3¢ | $6.44 | |
| North Dakotacheapest | 12.3¢ | $4.90 | |
| Ohio | 19.5¢ | $7.73 | |
| Oklahoma | 13.3¢ | $5.28 | |
| Oregon | 15.8¢ | $6.26 | |
| Pennsylvania | 21.5¢ | $8.51 | |
| Rhode Island | 28.3¢ | $11 | |
| South Carolina | 17.1¢ | $6.76 | |
| South Dakota | 14.5¢ | $5.76 | |
| Tennessee | 14.9¢ | $5.92 | |
| Texas | 17.0¢ | $6.74 | |
| Utah | 13.3¢ | $5.27 | |
| Vermont | 24.6¢ | $9.74 | |
| Virginia | 17.4¢ | $6.89 | |
| Washington | 14.4¢ | $5.69 | |
| West Virginia | 16.1¢ | $6.37 | |
| Wisconsin | 19.2¢ | $7.62 | |
| Wyoming | 14.7¢ | $5.82 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Samsung F24T450FZN | 40 | $7.46 |
| Acer UT272Umost efficient | 40 | $7.47 |
| AOpen 27UT2Umost efficient | 40 | $7.47 |
| ASUS PA278QVmost efficient | 40 | $7.48 |
| ASUS VZ24E | 40 | $7.48 |
| Lenovo A16240WT0 | 40 | $7.48 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.63
- Per year
- $7.53
40 kWh/yr × 18.8¢/kWh = $7.53/yr
Prefilled with this model's certified 40 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 ASRock CL25FFB use?
- ENERGY STAR certifies the ASRock CL25FFB at 40 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 ASRock CL25FFB cost to run per month?
- About $0.62 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $7.47 a year. Your state's rate moves this up or down; see the table above.
- Is the ASRock CL25FFB energy efficient?
- It uses 12% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
- What does the ASRock CL25FFB cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $4.90 a year in North Dakota (12.3¢/kWh) and $18 in Hawaii (46.6¢/kWh).