Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
ViewSonic VS18891
The ViewSonic VS18891's certified consumption is 32 kWh per year, which prices out to about $6.06 at the national average rate — your hours of use scale that directly. Compared with the median certified computer monitor, it uses 29% less electricity — rank 155 out of 1482. Where you live moves the bill from $3.97 a year in North Dakota to $15 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$6.06/yr
- Per month
- $0.50
- Per day
- 2¢
- Certified use
- 32 kWh/yr
- Screen size
- 17.3 in
- Panel
- TFT LCD
- On-mode power
- 10.03 W
- Sleep-mode power
- 0.25 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $5.60 | |
| Alaska | 27.4¢ | $8.80 | |
| Arizona | 15.5¢ | $4.98 | |
| Arkansas | 14.2¢ | $4.56 | |
| California | 35.3¢ | $11 | |
| Colorado | 16.5¢ | $5.32 | |
| Connecticut | 32.2¢ | $10 | |
| Delaware | 18.8¢ | $6.05 | |
| District of Columbia | 25.4¢ | $8.18 | |
| Florida | 15.4¢ | $4.95 | |
| Georgia | 15.4¢ | $4.95 | |
| Hawaiipriciest | 46.6¢ | $15 | |
| Idaho | 12.7¢ | $4.09 | |
| Illinois | 20.5¢ | $6.59 | |
| Indiana | 17.9¢ | $5.76 | |
| Iowa | 13.9¢ | $4.46 | |
| Kansas | 15.8¢ | $5.08 | |
| Kentucky | 15.0¢ | $4.83 | |
| Louisiana | 14.4¢ | $4.65 | |
| Maine | 28.4¢ | $9.15 | |
| Maryland | 22.1¢ | $7.10 | |
| Massachusetts | 29.4¢ | $9.48 | |
| Michigan | 21.4¢ | $6.88 | |
| Minnesota | 16.4¢ | $5.27 | |
| Mississippi | 16.8¢ | $5.39 | |
| Missouri | 14.0¢ | $4.51 | |
| Montana | 13.9¢ | $4.47 | |
| Nebraska | 13.3¢ | $4.27 | |
| Nevada | 14.3¢ | $4.60 | |
| New Hampshire | 27.2¢ | $8.77 | |
| New Jersey | 23.5¢ | $7.57 | |
| New Mexico | 15.2¢ | $4.88 | |
| New York | 29.4¢ | $9.48 | |
| North Carolina | 16.3¢ | $5.23 | |
| North Dakotacheapest | 12.3¢ | $3.97 | |
| Ohio | 19.5¢ | $6.27 | |
| Oklahoma | 13.3¢ | $4.28 | |
| Oregon | 15.8¢ | $5.08 | |
| Pennsylvania | 21.5¢ | $6.91 | |
| Rhode Island | 28.3¢ | $9.11 | |
| South Carolina | 17.1¢ | $5.49 | |
| South Dakota | 14.5¢ | $4.67 | |
| Tennessee | 14.9¢ | $4.81 | |
| Texas | 17.0¢ | $5.47 | |
| Utah | 13.3¢ | $4.28 | |
| Vermont | 24.6¢ | $7.90 | |
| Virginia | 17.4¢ | $5.59 | |
| Washington | 14.4¢ | $4.62 | |
| West Virginia | 16.1¢ | $5.17 | |
| Wisconsin | 19.2¢ | $6.18 | |
| Wyoming | 14.7¢ | $4.72 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Lenovo A23TIO22 | 32 | $6.06 |
| ASUS VA27DQFSmost efficient | 32 | $6.05 |
| ASUS VA249QG | 32 | $6.07 |
| ASUS VU279Hmost efficient | 32 | $6.07 |
| DELL SE2225HM | 32 | $6.04 |
| BenQ GW2480-B | 32 | $6.08 |
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 ViewSonic VS18891 use?
- ENERGY STAR certifies the ViewSonic VS18891 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 ViewSonic VS18891 cost to run per month?
- About $0.50 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.06 a year. Your state's rate moves this up or down; see the table above.
- Is the ViewSonic VS18891 energy efficient?
- It uses 29% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
- What does the ViewSonic VS18891 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $3.97 a year in North Dakota (12.3¢/kWh) and $15 in Hawaii (46.6¢/kWh).