Data through June 2026
Running cost · Computer Monitors · ENERGY STAR certified
Lenovo D24140QX0
The Lenovo D24140QX0's certified consumption is 22 kWh per year, which prices out to about $4.06 at the national average rate — your hours of use scale that directly. Only a handful of certified computer monitors do better: it ranks 58 of 1530 and undercuts the median by 51%. The same unit costs $2.90 a year in Nevada but $12 in Hawaii — electricity rates, not the appliance, make the difference.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$4.06/yr
- Per month
- $0.34
- Per day
- 1¢
- Certified use
- 22 kWh/yr
- Screen size
- 14 in
- Panel
- IPS LCD
- On-mode power
- 6.57 W
- Sleep-mode power
- 0.35 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $3.63 | |
| Alaska | 28.2¢ | $6.24 | |
| Arizona | 15.2¢ | $3.36 | |
| Arkansas | 14.1¢ | $3.12 | |
| California | 34.7¢ | $7.69 | |
| Colorado | 17.1¢ | $3.79 | |
| Connecticut | 24.3¢ | $5.38 | |
| Delaware | 19.3¢ | $4.27 | |
| District of Columbia | 24.4¢ | $5.40 | |
| Florida | 15.1¢ | $3.34 | |
| Georgia | 16.4¢ | $3.62 | |
| Hawaiipriciest | 52.7¢ | $12 | |
| Idaho | 14.4¢ | $3.18 | |
| Illinois | 19.9¢ | $4.40 | |
| Indiana | 17.5¢ | $3.87 | |
| Iowa | 15.9¢ | $3.53 | |
| Kansas | 15.7¢ | $3.48 | |
| Kentucky | 14.3¢ | $3.16 | |
| Louisiana | 13.5¢ | $2.99 | |
| Maine | 29.6¢ | $6.55 | |
| Maryland | 21.8¢ | $4.83 | |
| Massachusetts | 29.6¢ | $6.55 | |
| Michigan | 23.0¢ | $5.09 | |
| Minnesota | 17.5¢ | $3.88 | |
| Mississippi | 14.9¢ | $3.29 | |
| Missouri | 16.2¢ | $3.59 | |
| Montana | 15.1¢ | $3.35 | |
| Nebraska | 13.3¢ | $2.93 | |
| Nevadacheapest | 13.1¢ | $2.90 | |
| New Hampshire | 27.0¢ | $5.98 | |
| New Jersey | 24.9¢ | $5.52 | |
| New Mexico | 15.1¢ | $3.33 | |
| New York | 29.5¢ | $6.53 | |
| North Carolina | 14.7¢ | $3.26 | |
| North Dakota | 14.1¢ | $3.12 | |
| Ohio | 19.2¢ | $4.25 | |
| Oklahoma | 14.3¢ | $3.17 | |
| Oregon | 16.3¢ | $3.61 | |
| Pennsylvania | 21.7¢ | $4.81 | |
| Rhode Island | 29.2¢ | $6.47 | |
| South Carolina | 15.6¢ | $3.44 | |
| South Dakota | 15.4¢ | $3.40 | |
| Tennessee | 14.1¢ | $3.11 | |
| Texas | 15.9¢ | $3.53 | |
| Utah | 13.4¢ | $2.96 | |
| Vermont | 24.4¢ | $5.41 | |
| Virginia | 17.2¢ | $3.81 | |
| Washington | 14.9¢ | $3.30 | |
| West Virginia | 15.4¢ | $3.42 | |
| Wisconsin | 19.6¢ | $4.33 | |
| Wyoming | 15.2¢ | $3.37 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| PHILIPS 16B1P3302D | 22 | $4.05 |
| EIZO FlexScan EV2400Rmost efficient | 22 | $4.01 |
| ViewSonic VS19179 | 22 | $4.01 |
| ASUS MB16A | 22 | $3.97 |
| HP Engage 15t | 21 | $3.93 |
| ASUS MB16AHV | 23 | $4.21 |
Run your own numbers
Your rate, your numbers
- Per day
- 1¢
- Per month
- $0.34
- Per year
- $4.03
22 kWh/yr × 18.3¢/kWh = $4.03/yr
Prefilled with this model's certified 22 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 Lenovo D24140QX0 use?
- ENERGY STAR certifies the Lenovo D24140QX0 at 22 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 Lenovo D24140QX0 cost to run per month?
- About $0.34 a month at the U.S. average residential rate (18.3¢/kWh) — 1¢ a day, or $4.06 a year. Your state's rate moves this up or down; see the table above.
- Is the Lenovo D24140QX0 energy efficient?
- It uses 51% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
- What does the Lenovo D24140QX0 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $2.90 a year in Nevada (13.1¢/kWh) and $12 in Hawaii (52.7¢/kWh).