Data through June 2026
Running cost · Computer Monitors · ENERGY STAR certified
ViewSonic VS20078
The ViewSonic VS20078's certified consumption is 36 kWh per year, which prices out to about $6.63 at the national average rate — your hours of use scale that directly. That's 20% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (296 of 1530). Where you live moves the bill from $4.74 a year in Nevada to $19 in Hawaii.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$6.63/yr
- Per month
- $0.55
- Per day
- 2¢
- Certified use
- 36 kWh/yr
- Screen size
- 21.5 in
- Panel
- IPS LCD
- On-mode power
- 11.32 W
- Sleep-mode power
- 0.25 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $5.93 | |
| Alaska | 28.2¢ | $10 | |
| Arizona | 15.2¢ | $5.48 | |
| Arkansas | 14.1¢ | $5.10 | |
| California | 34.7¢ | $13 | |
| Colorado | 17.1¢ | $6.19 | |
| Connecticut | 24.3¢ | $8.79 | |
| Delaware | 19.3¢ | $6.97 | |
| District of Columbia | 24.4¢ | $8.81 | |
| Florida | 15.1¢ | $5.46 | |
| Georgia | 16.4¢ | $5.91 | |
| Hawaiipriciest | 52.7¢ | $19 | |
| Idaho | 14.4¢ | $5.19 | |
| Illinois | 19.9¢ | $7.19 | |
| Indiana | 17.5¢ | $6.33 | |
| Iowa | 15.9¢ | $5.76 | |
| Kansas | 15.7¢ | $5.68 | |
| Kentucky | 14.3¢ | $5.15 | |
| Louisiana | 13.5¢ | $4.87 | |
| Maine | 29.6¢ | $11 | |
| Maryland | 21.8¢ | $7.89 | |
| Massachusetts | 29.6¢ | $11 | |
| Michigan | 23.0¢ | $8.31 | |
| Minnesota | 17.5¢ | $6.33 | |
| Mississippi | 14.9¢ | $5.38 | |
| Missouri | 16.2¢ | $5.86 | |
| Montana | 15.1¢ | $5.47 | |
| Nebraska | 13.3¢ | $4.79 | |
| Nevadacheapest | 13.1¢ | $4.74 | |
| New Hampshire | 27.0¢ | $9.76 | |
| New Jersey | 24.9¢ | $9.01 | |
| New Mexico | 15.1¢ | $5.44 | |
| New York | 29.5¢ | $11 | |
| North Carolina | 14.7¢ | $5.33 | |
| North Dakota | 14.1¢ | $5.10 | |
| Ohio | 19.2¢ | $6.93 | |
| Oklahoma | 14.3¢ | $5.18 | |
| Oregon | 16.3¢ | $5.90 | |
| Pennsylvania | 21.7¢ | $7.85 | |
| Rhode Island | 29.2¢ | $11 | |
| South Carolina | 15.6¢ | $5.62 | |
| South Dakota | 15.4¢ | $5.55 | |
| Tennessee | 14.1¢ | $5.08 | |
| Texas | 15.9¢ | $5.76 | |
| Utah | 13.4¢ | $4.83 | |
| Vermont | 24.4¢ | $8.83 | |
| Virginia | 17.2¢ | $6.22 | |
| Washington | 14.9¢ | $5.39 | |
| West Virginia | 15.4¢ | $5.58 | |
| Wisconsin | 19.6¢ | $7.07 | |
| Wyoming | 15.2¢ | $5.51 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| DELL P2726Htmost efficient | 36 | $6.63 |
| ViewSonic VS18464 | 36 | $6.63 |
| Lenovo A25238FT2 | 36 | $6.63 |
| MSI 3PC1 | 36 | $6.62 |
| HP E24i G4 | 36 | $6.62 |
| ViewSonic VS17350 | 36 | $6.64 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.55
- Per year
- $6.60
36 kWh/yr × 18.3¢/kWh = $6.60/yr
Prefilled with this model's certified 36 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 VS20078 use?
- ENERGY STAR certifies the ViewSonic VS20078 at 36 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 VS20078 cost to run per month?
- About $0.55 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $6.63 a year. Your state's rate moves this up or down; see the table above.
- Is the ViewSonic VS20078 energy efficient?
- It uses 20% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
- What does the ViewSonic VS20078 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $4.74 a year in Nevada (13.1¢/kWh) and $19 in Hawaii (52.7¢/kWh).