Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
ViewSonic VS17551
At the standardized usage ENERGY STAR assumes, the ViewSonic VS17551 consumes 29 kWh a year — about $5.45 at the U.S. average electricity rate ($0.45 a month). Only a handful of certified computer monitors do better: it ranks 98 of 1482 and undercuts the median by 36%. Where you live moves the bill from $3.57 a year in North Dakota to $13 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$5.45/yr
- Per month
- $0.45
- Per day
- 1¢
- Certified use
- 29 kWh/yr
- Screen size
- 23.8 in
- Panel
- IPS LCD
- On-mode power
- 8.86 W
- Sleep-mode power
- 0.31 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.04 | |
| Alaska | 27.4¢ | $7.91 | |
| Arizona | 15.5¢ | $4.48 | |
| Arkansas | 14.2¢ | $4.10 | |
| California | 35.3¢ | $10 | |
| Colorado | 16.5¢ | $4.79 | |
| Connecticut | 32.2¢ | $9.33 | |
| Delaware | 18.8¢ | $5.44 | |
| District of Columbia | 25.4¢ | $7.35 | |
| Florida | 15.4¢ | $4.45 | |
| Georgia | 15.4¢ | $4.45 | |
| Hawaiipriciest | 46.6¢ | $13 | |
| Idaho | 12.7¢ | $3.67 | |
| Illinois | 20.5¢ | $5.92 | |
| Indiana | 17.9¢ | $5.18 | |
| Iowa | 13.9¢ | $4.01 | |
| Kansas | 15.8¢ | $4.57 | |
| Kentucky | 15.0¢ | $4.35 | |
| Louisiana | 14.4¢ | $4.18 | |
| Maine | 28.4¢ | $8.22 | |
| Maryland | 22.1¢ | $6.38 | |
| Massachusetts | 29.4¢ | $8.52 | |
| Michigan | 21.4¢ | $6.19 | |
| Minnesota | 16.4¢ | $4.74 | |
| Mississippi | 16.8¢ | $4.85 | |
| Missouri | 14.0¢ | $4.05 | |
| Montana | 13.9¢ | $4.02 | |
| Nebraska | 13.3¢ | $3.84 | |
| Nevada | 14.3¢ | $4.13 | |
| New Hampshire | 27.2¢ | $7.88 | |
| New Jersey | 23.5¢ | $6.81 | |
| New Mexico | 15.2¢ | $4.38 | |
| New York | 29.4¢ | $8.52 | |
| North Carolina | 16.3¢ | $4.70 | |
| North Dakotacheapest | 12.3¢ | $3.57 | |
| Ohio | 19.5¢ | $5.64 | |
| Oklahoma | 13.3¢ | $3.85 | |
| Oregon | 15.8¢ | $4.57 | |
| Pennsylvania | 21.5¢ | $6.21 | |
| Rhode Island | 28.3¢ | $8.19 | |
| South Carolina | 17.1¢ | $4.94 | |
| South Dakota | 14.5¢ | $4.20 | |
| Tennessee | 14.9¢ | $4.32 | |
| Texas | 17.0¢ | $4.92 | |
| Utah | 13.3¢ | $3.84 | |
| Vermont | 24.6¢ | $7.11 | |
| Virginia | 17.4¢ | $5.03 | |
| Washington | 14.4¢ | $4.15 | |
| West Virginia | 16.1¢ | $4.65 | |
| Wisconsin | 19.2¢ | $5.56 | |
| Wyoming | 14.7¢ | $4.25 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| COMPUMAX MLCX22 | 29 | $5.44 |
| Acer PE160WU_z | 29 | $5.43 |
| ASUS VU249Hmost efficient | 29 | $5.47 |
| COMPUMAX ML2020CM | 29 | $5.39 |
| PHILIPS 27B2G5200most efficient | 29 | $5.52 |
| PHILIPS 170S9 | 28 | $5.36 |
Run your own numbers
Your rate, your numbers
- Per day
- 1¢
- Per month
- $0.46
- Per year
- $5.46
29 kWh/yr × 18.8¢/kWh = $5.46/yr
Prefilled with this model's certified 29 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 ViewSonic VS17551 use?
- ENERGY STAR certifies the ViewSonic VS17551 at 29 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 ViewSonic VS17551 cost to run per month?
- About $0.45 a month at the U.S. average residential rate (18.8¢/kWh) — 1¢ a day, or $5.45 a year. Your state's rate moves this up or down; see the table above.
- Is the ViewSonic VS17551 energy efficient?
- It uses 36% 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 ViewSonic VS17551 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $3.57 a year in North Dakota (12.3¢/kWh) and $13 in Hawaii (46.6¢/kWh).