Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
Samsung S22D400GAN
At the standardized usage ENERGY STAR assumes, the Samsung S22D400GAN consumes 32 kWh a year — about $6.02 at the U.S. average electricity rate ($0.50 a month). That puts it in the most efficient tenth of every certified computer monitor — 29% less electricity than the median, ranked 148 of 1482. The same unit costs $3.95 a year in North Dakota but $15 in Hawaii — electricity rates, not the appliance, make the difference.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$6.02/yr
- Per month
- $0.50
- Per day
- 2¢
- Certified use
- 32 kWh/yr
- Screen size
- 22 in
- Panel
- IPS LCD
- On-mode power
- 9.5 W
- Sleep-mode power
- 0.5 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.57 | |
| Alaska | 27.4¢ | $8.74 | |
| Arizona | 15.5¢ | $4.95 | |
| Arkansas | 14.2¢ | $4.53 | |
| California | 35.3¢ | $11 | |
| Colorado | 16.5¢ | $5.29 | |
| Connecticut | 32.2¢ | $10 | |
| Delaware | 18.8¢ | $6.01 | |
| District of Columbia | 25.4¢ | $8.12 | |
| Florida | 15.4¢ | $4.92 | |
| Georgia | 15.4¢ | $4.91 | |
| Hawaiipriciest | 46.6¢ | $15 | |
| Idaho | 12.7¢ | $4.06 | |
| Illinois | 20.5¢ | $6.54 | |
| Indiana | 17.9¢ | $5.72 | |
| Iowa | 13.9¢ | $4.43 | |
| Kansas | 15.8¢ | $5.04 | |
| Kentucky | 15.0¢ | $4.80 | |
| Louisiana | 14.4¢ | $4.62 | |
| Maine | 28.4¢ | $9.09 | |
| Maryland | 22.1¢ | $7.06 | |
| Massachusetts | 29.4¢ | $9.42 | |
| Michigan | 21.4¢ | $6.84 | |
| Minnesota | 16.4¢ | $5.24 | |
| Mississippi | 16.8¢ | $5.36 | |
| Missouri | 14.0¢ | $4.48 | |
| Montana | 13.9¢ | $4.44 | |
| Nebraska | 13.3¢ | $4.25 | |
| Nevada | 14.3¢ | $4.57 | |
| New Hampshire | 27.2¢ | $8.71 | |
| New Jersey | 23.5¢ | $7.52 | |
| New Mexico | 15.2¢ | $4.84 | |
| New York | 29.4¢ | $9.42 | |
| North Carolina | 16.3¢ | $5.20 | |
| North Dakotacheapest | 12.3¢ | $3.95 | |
| Ohio | 19.5¢ | $6.23 | |
| Oklahoma | 13.3¢ | $4.26 | |
| Oregon | 15.8¢ | $5.04 | |
| Pennsylvania | 21.5¢ | $6.86 | |
| Rhode Island | 28.3¢ | $9.05 | |
| South Carolina | 17.1¢ | $5.45 | |
| South Dakota | 14.5¢ | $4.64 | |
| Tennessee | 14.9¢ | $4.78 | |
| Texas | 17.0¢ | $5.43 | |
| Utah | 13.3¢ | $4.25 | |
| Vermont | 24.6¢ | $7.85 | |
| Virginia | 17.4¢ | $5.56 | |
| Washington | 14.4¢ | $4.59 | |
| West Virginia | 16.1¢ | $5.13 | |
| Wisconsin | 19.2¢ | $6.14 | |
| Wyoming | 14.7¢ | $4.69 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Acer MK241Y | 32 | $6.02 |
| EIZO FlexScan S2134most efficient | 32 | $6.03 |
| ViewSonic VS19591 | 32 | $6.03 |
| Acer EV206HQL | 32 | $6.00 |
| DELL SE2225HM | 32 | $6.04 |
| ASUS BE249QFK | 32 | $6.00 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.50
- Per year
- $6.03
32 kWh/yr × 18.8¢/kWh = $6.03/yr
Prefilled with this model's certified 32 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 Samsung S22D400GAN use?
- ENERGY STAR certifies the Samsung S22D400GAN at 32 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 Samsung S22D400GAN cost to run per month?
- About $0.50 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.02 a year. Your state's rate moves this up or down; see the table above.
- Is the Samsung S22D400GAN energy efficient?
- It uses 29% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
- What does the Samsung S22D400GAN cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $3.95 a year in North Dakota (12.3¢/kWh) and $15 in Hawaii (46.6¢/kWh).