Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only)
The Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only)'s certified consumption is 63 kWh per year, which prices out to about $12 at the national average rate — your hours of use scale that directly. Efficiency-wise it's unremarkable in a good way: within 39% of the median certified computer monitor (rank 1063 of 1482). Where you live moves the bill from $7.72 a year in North Dakota to $29 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$12/yr
- Per month
- $0.98
- Per day
- 3¢
- Certified use
- 63 kWh/yr
- Screen size
- 31.5 in
- Panel
- IPS LCD
- On-mode power
- 20.18 W
- Sleep-mode power
- 0.11 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $11 | |
| Alaska | 27.4¢ | $17 | |
| Arizona | 15.5¢ | $9.68 | |
| Arkansas | 14.2¢ | $8.85 | |
| California | 35.3¢ | $22 | |
| Colorado | 16.5¢ | $10 | |
| Connecticut | 32.2¢ | $20 | |
| Delaware | 18.8¢ | $12 | |
| District of Columbia | 25.4¢ | $16 | |
| Florida | 15.4¢ | $9.62 | |
| Georgia | 15.4¢ | $9.61 | |
| Hawaiipriciest | 46.6¢ | $29 | |
| Idaho | 12.7¢ | $7.94 | |
| Illinois | 20.5¢ | $13 | |
| Indiana | 17.9¢ | $11 | |
| Iowa | 13.9¢ | $8.67 | |
| Kansas | 15.8¢ | $9.87 | |
| Kentucky | 15.0¢ | $9.39 | |
| Louisiana | 14.4¢ | $9.03 | |
| Maine | 28.4¢ | $18 | |
| Maryland | 22.1¢ | $14 | |
| Massachusetts | 29.4¢ | $18 | |
| Michigan | 21.4¢ | $13 | |
| Minnesota | 16.4¢ | $10 | |
| Mississippi | 16.8¢ | $10 | |
| Missouri | 14.0¢ | $8.76 | |
| Montana | 13.9¢ | $8.69 | |
| Nebraska | 13.3¢ | $8.30 | |
| Nevada | 14.3¢ | $8.93 | |
| New Hampshire | 27.2¢ | $17 | |
| New Jersey | 23.5¢ | $15 | |
| New Mexico | 15.2¢ | $9.47 | |
| New York | 29.4¢ | $18 | |
| North Carolina | 16.3¢ | $10 | |
| North Dakotacheapest | 12.3¢ | $7.72 | |
| Ohio | 19.5¢ | $12 | |
| Oklahoma | 13.3¢ | $8.32 | |
| Oregon | 15.8¢ | $9.87 | |
| Pennsylvania | 21.5¢ | $13 | |
| Rhode Island | 28.3¢ | $18 | |
| South Carolina | 17.1¢ | $11 | |
| South Dakota | 14.5¢ | $9.08 | |
| Tennessee | 14.9¢ | $9.34 | |
| Texas | 17.0¢ | $11 | |
| Utah | 13.3¢ | $8.31 | |
| Vermont | 24.6¢ | $15 | |
| Virginia | 17.4¢ | $11 | |
| Washington | 14.4¢ | $8.98 | |
| West Virginia | 16.1¢ | $10 | |
| Wisconsin | 19.2¢ | $12 | |
| Wyoming | 14.7¢ | $9.18 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| LG 34BQ680 | 63 | $12 |
| LG 34WQ680 | 63 | $12 |
| LG 34WQ68X | 63 | $12 |
| DELL U2721DEt | 63 | $12 |
| HP HP 527pu | 62 | $12 |
| Samsung S24D600UAN | 63 | $12 |
Run your own numbers
Your rate, your numbers
- Per day
- 3¢
- Per month
- $0.99
- Per year
- $12
63 kWh/yr × 18.8¢/kWh = $12/yr
Prefilled with this model's certified 63 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 Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only) use?
- ENERGY STAR certifies the Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only) at 63 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 Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only) cost to run per month?
- About $0.98 a month at the U.S. average residential rate (18.8¢/kWh) — 3¢ a day, or $12 a year. Your state's rate moves this up or down; see the table above.
- Is the Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only) energy efficient?
- It uses 39% more electricity than the median certified computer monitor.
- What does the Acer EK321Q, EK321Q_a, EK32******, XV32******, XB32******, B32****** (* can be A-Z, 0-9 or - or blank for marketing purpose only) cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $7.72 a year in North Dakota (12.3¢/kWh) and $29 in Hawaii (46.6¢/kWh).