Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
DELL P2226Hb
The DELL P2226Hb's certified consumption is 31 kWh per year, which prices out to about $5.78 at the national average rate — your hours of use scale that directly. That puts it in the most efficient tenth of every certified computer monitor — 32% less electricity than the median, ranked 120 of 1482. Where you live moves the bill from $3.79 a year in North Dakota to $14 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$5.78/yr
- Per month
- $0.48
- Per day
- 2¢
- Certified use
- 31 kWh/yr
- Screen size
- 21.5 in
- Panel
- IPS LCD
- On-mode power
- 9.8 W
- Sleep-mode power
- 0.1 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.34 | |
| Alaska | 27.4¢ | $8.40 | |
| Arizona | 15.5¢ | $4.75 | |
| Arkansas | 14.2¢ | $4.35 | |
| California | 35.3¢ | $11 | |
| Colorado | 16.5¢ | $5.08 | |
| Connecticut | 32.2¢ | $9.90 | |
| Delaware | 18.8¢ | $5.77 | |
| District of Columbia | 25.4¢ | $7.80 | |
| Florida | 15.4¢ | $4.72 | |
| Georgia | 15.4¢ | $4.72 | |
| Hawaiipriciest | 46.6¢ | $14 | |
| Idaho | 12.7¢ | $3.90 | |
| Illinois | 20.5¢ | $6.28 | |
| Indiana | 17.9¢ | $5.50 | |
| Iowa | 13.9¢ | $4.26 | |
| Kansas | 15.8¢ | $4.84 | |
| Kentucky | 15.0¢ | $4.61 | |
| Louisiana | 14.4¢ | $4.43 | |
| Maine | 28.4¢ | $8.72 | |
| Maryland | 22.1¢ | $6.78 | |
| Massachusetts | 29.4¢ | $9.04 | |
| Michigan | 21.4¢ | $6.57 | |
| Minnesota | 16.4¢ | $5.03 | |
| Mississippi | 16.8¢ | $5.15 | |
| Missouri | 14.0¢ | $4.30 | |
| Montana | 13.9¢ | $4.27 | |
| Nebraska | 13.3¢ | $4.08 | |
| Nevada | 14.3¢ | $4.39 | |
| New Hampshire | 27.2¢ | $8.36 | |
| New Jersey | 23.5¢ | $7.22 | |
| New Mexico | 15.2¢ | $4.65 | |
| New York | 29.4¢ | $9.04 | |
| North Carolina | 16.3¢ | $4.99 | |
| North Dakotacheapest | 12.3¢ | $3.79 | |
| Ohio | 19.5¢ | $5.98 | |
| Oklahoma | 13.3¢ | $4.09 | |
| Oregon | 15.8¢ | $4.84 | |
| Pennsylvania | 21.5¢ | $6.59 | |
| Rhode Island | 28.3¢ | $8.69 | |
| South Carolina | 17.1¢ | $5.24 | |
| South Dakota | 14.5¢ | $4.46 | |
| Tennessee | 14.9¢ | $4.59 | |
| Texas | 17.0¢ | $5.22 | |
| Utah | 13.3¢ | $4.08 | |
| Vermont | 24.6¢ | $7.54 | |
| Virginia | 17.4¢ | $5.34 | |
| Washington | 14.4¢ | $4.41 | |
| West Virginia | 16.1¢ | $4.93 | |
| Wisconsin | 19.2¢ | $5.90 | |
| Wyoming | 14.7¢ | $4.51 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| MSI PRO MP2412W | 31 | $5.77 |
| Acer V196L | 31 | $5.76 |
| ASUS VA24DQFmost efficient | 31 | $5.80 |
| Acer B247Ymost efficient | 31 | $5.82 |
| BenQ GW2790C-Bmost efficient | 31 | $5.82 |
| LG 24BA450most efficient | 31 | $5.74 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.49
- Per year
- $5.84
31 kWh/yr × 18.8¢/kWh = $5.84/yr
Prefilled with this model's certified 31 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 P2226Hb use?
- ENERGY STAR certifies the DELL P2226Hb at 31 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 P2226Hb cost to run per month?
- About $0.48 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $5.78 a year. Your state's rate moves this up or down; see the table above.
- Is the DELL P2226Hb energy efficient?
- It uses 32% less electricity than the median certified computer monitor, placing it in the top 10% of certified models. It also meets ENERGY STAR's Most Efficient criteria.
- What does the DELL P2226Hb cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $3.79 a year in North Dakota (12.3¢/kWh) and $14 in Hawaii (46.6¢/kWh).