Data through June 2026
Running cost · Computer Monitors · ENERGY STAR certified
ViewSonic VS18588
The ViewSonic VS18588's certified consumption is 47 kWh per year, which prices out to about $8.53 at the national average rate — your hours of use scale that directly. Efficiency-wise it's unremarkable in a good way: within 3% of the median certified computer monitor (rank 835 of 1530). Where you live moves the bill from $6.10 a year in Nevada to $25 in Hawaii.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$8.53/yr
- Per month
- $0.71
- Per day
- 2¢
- Certified use
- 47 kWh/yr
- Screen size
- 23.5 in
- Panel
- In-cell Self Capacitive type multi-point touch LCD
- On-mode power
- 12.94 W
- Sleep-mode power
- 1.2 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $7.63 | |
| Alaska | 28.2¢ | $13 | |
| Arizona | 15.2¢ | $7.06 | |
| Arkansas | 14.1¢ | $6.57 | |
| California | 34.7¢ | $16 | |
| Colorado | 17.1¢ | $7.97 | |
| Connecticut | 24.3¢ | $11 | |
| Delaware | 19.3¢ | $8.97 | |
| District of Columbia | 24.4¢ | $11 | |
| Florida | 15.1¢ | $7.02 | |
| Georgia | 16.4¢ | $7.61 | |
| Hawaiipriciest | 52.7¢ | $25 | |
| Idaho | 14.4¢ | $6.68 | |
| Illinois | 19.9¢ | $9.25 | |
| Indiana | 17.5¢ | $8.14 | |
| Iowa | 15.9¢ | $7.41 | |
| Kansas | 15.7¢ | $7.31 | |
| Kentucky | 14.3¢ | $6.63 | |
| Louisiana | 13.5¢ | $6.27 | |
| Maine | 29.6¢ | $14 | |
| Maryland | 21.8¢ | $10 | |
| Massachusetts | 29.6¢ | $14 | |
| Michigan | 23.0¢ | $11 | |
| Minnesota | 17.5¢ | $8.15 | |
| Mississippi | 14.9¢ | $6.92 | |
| Missouri | 16.2¢ | $7.54 | |
| Montana | 15.1¢ | $7.04 | |
| Nebraska | 13.3¢ | $6.16 | |
| Nevadacheapest | 13.1¢ | $6.10 | |
| New Hampshire | 27.0¢ | $13 | |
| New Jersey | 24.9¢ | $12 | |
| New Mexico | 15.1¢ | $7.00 | |
| New York | 29.5¢ | $14 | |
| North Carolina | 14.7¢ | $6.86 | |
| North Dakota | 14.1¢ | $6.57 | |
| Ohio | 19.2¢ | $8.93 | |
| Oklahoma | 14.3¢ | $6.66 | |
| Oregon | 16.3¢ | $7.59 | |
| Pennsylvania | 21.7¢ | $10 | |
| Rhode Island | 29.2¢ | $14 | |
| South Carolina | 15.6¢ | $7.23 | |
| South Dakota | 15.4¢ | $7.14 | |
| Tennessee | 14.1¢ | $6.54 | |
| Texas | 15.9¢ | $7.41 | |
| Utah | 13.4¢ | $6.22 | |
| Vermont | 24.4¢ | $11 | |
| Virginia | 17.2¢ | $8.01 | |
| Washington | 14.9¢ | $6.93 | |
| West Virginia | 15.4¢ | $7.19 | |
| Wisconsin | 19.6¢ | $9.10 | |
| Wyoming | 15.2¢ | $7.09 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| BenQ GW2790-B | 47 | $8.53 |
| EIZO FlexScan EV2456 | 46 | $8.52 |
| PHILIPS 252B9 | 46 | $8.52 |
| AOC 27E4U | 46 | $8.51 |
| ViewSonic VS19630 | 46 | $8.51 |
| ASUS BE248CFN | 47 | $8.55 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.72
- Per year
- $8.62
47 kWh/yr × 18.3¢/kWh = $8.62/yr
Prefilled with this model's certified 47 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 VS18588 use?
- ENERGY STAR certifies the ViewSonic VS18588 at 47 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 VS18588 cost to run per month?
- About $0.71 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $8.53 a year. Your state's rate moves this up or down; see the table above.
- Is the ViewSonic VS18588 energy efficient?
- It uses 3% more electricity than the median certified computer monitor.
- What does the ViewSonic VS18588 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $6.10 a year in Nevada (13.1¢/kWh) and $25 in Hawaii (52.7¢/kWh).