Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
DELL P2225Hf
The DELL P2225Hf's certified consumption is 33 kWh per year, which prices out to about $6.13 at the national average rate — your hours of use scale that directly. That's 28% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (164 of 1482). Where you live moves the bill from $4.02 a year in North Dakota to $15 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$6.13/yr
- Per month
- $0.51
- Per day
- 2¢
- Certified use
- 33 kWh/yr
- Screen size
- 21.5 in
- Panel
- TN LCD
- On-mode power
- 10.07 W
- Sleep-mode power
- 0.3 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.67 | |
| Alaska | 27.4¢ | $8.91 | |
| Arizona | 15.5¢ | $5.04 | |
| Arkansas | 14.2¢ | $4.61 | |
| California | 35.3¢ | $11 | |
| Colorado | 16.5¢ | $5.39 | |
| Connecticut | 32.2¢ | $11 | |
| Delaware | 18.8¢ | $6.12 | |
| District of Columbia | 25.4¢ | $8.28 | |
| Florida | 15.4¢ | $5.01 | |
| Georgia | 15.4¢ | $5.01 | |
| Hawaiipriciest | 46.6¢ | $15 | |
| Idaho | 12.7¢ | $4.14 | |
| Illinois | 20.5¢ | $6.67 | |
| Indiana | 17.9¢ | $5.83 | |
| Iowa | 13.9¢ | $4.52 | |
| Kansas | 15.8¢ | $5.14 | |
| Kentucky | 15.0¢ | $4.89 | |
| Louisiana | 14.4¢ | $4.70 | |
| Maine | 28.4¢ | $9.26 | |
| Maryland | 22.1¢ | $7.19 | |
| Massachusetts | 29.4¢ | $9.59 | |
| Michigan | 21.4¢ | $6.97 | |
| Minnesota | 16.4¢ | $5.34 | |
| Mississippi | 16.8¢ | $5.46 | |
| Missouri | 14.0¢ | $4.56 | |
| Montana | 13.9¢ | $4.53 | |
| Nebraska | 13.3¢ | $4.33 | |
| Nevada | 14.3¢ | $4.66 | |
| New Hampshire | 27.2¢ | $8.87 | |
| New Jersey | 23.5¢ | $7.67 | |
| New Mexico | 15.2¢ | $4.94 | |
| New York | 29.4¢ | $9.59 | |
| North Carolina | 16.3¢ | $5.29 | |
| North Dakotacheapest | 12.3¢ | $4.02 | |
| Ohio | 19.5¢ | $6.35 | |
| Oklahoma | 13.3¢ | $4.34 | |
| Oregon | 15.8¢ | $5.14 | |
| Pennsylvania | 21.5¢ | $6.99 | |
| Rhode Island | 28.3¢ | $9.22 | |
| South Carolina | 17.1¢ | $5.56 | |
| South Dakota | 14.5¢ | $4.73 | |
| Tennessee | 14.9¢ | $4.87 | |
| Texas | 17.0¢ | $5.54 | |
| Utah | 13.3¢ | $4.33 | |
| Vermont | 24.6¢ | $8.00 | |
| Virginia | 17.4¢ | $5.66 | |
| Washington | 14.4¢ | $4.68 | |
| West Virginia | 16.1¢ | $5.23 | |
| Wisconsin | 19.2¢ | $6.26 | |
| Wyoming | 14.7¢ | $4.78 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Samsung S24R65*FD | 33 | $6.15 |
| DELL P2426Hb | 33 | $6.12 |
| XITRIX XPN-WFPV2413 | 33 | $6.15 |
| Acer EK221Q | 33 | $6.16 |
| AOC 195LM00003 | 33 | $6.16 |
| AOpen 22CV1Q | 33 | $6.16 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.52
- Per year
- $6.21
33 kWh/yr × 18.8¢/kWh = $6.21/yr
Prefilled with this model's certified 33 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 DELL P2225Hf use?
- ENERGY STAR certifies the DELL P2225Hf at 33 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 DELL P2225Hf cost to run per month?
- About $0.51 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.13 a year. Your state's rate moves this up or down; see the table above.
- Is the DELL P2225Hf 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 DELL P2225Hf cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $4.02 a year in North Dakota (12.3¢/kWh) and $15 in Hawaii (46.6¢/kWh).