Data through April 2026
Running cost · Computer Monitors · ENERGY STAR certified
LG 27BF440B
The LG 27BF440B's certified consumption is 48 kWh per year, which prices out to about $9.00 at the national average rate — your hours of use scale that directly. Efficiency-wise it's unremarkable in a good way: within 6% of the median certified computer monitor (rank 840 of 1482). Where you live moves the bill from $5.90 a year in North Dakota to $22 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$9.00/yr
- Per month
- $0.75
- Per day
- 2¢
- Certified use
- 48 kWh/yr
- Screen size
- 27 in
- Panel
- IPS LCD
- On-mode power
- 15.38 W
- Sleep-mode power
- 0.11 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $8.32 | |
| Alaska | 27.4¢ | $13 | |
| Arizona | 15.5¢ | $7.40 | |
| Arkansas | 14.2¢ | $6.77 | |
| California | 35.3¢ | $17 | |
| Colorado | 16.5¢ | $7.90 | |
| Connecticut | 32.2¢ | $15 | |
| Delaware | 18.8¢ | $8.98 | |
| District of Columbia | 25.4¢ | $12 | |
| Florida | 15.4¢ | $7.35 | |
| Georgia | 15.4¢ | $7.34 | |
| Hawaiipriciest | 46.6¢ | $22 | |
| Idaho | 12.7¢ | $6.07 | |
| Illinois | 20.5¢ | $9.78 | |
| Indiana | 17.9¢ | $8.55 | |
| Iowa | 13.9¢ | $6.62 | |
| Kansas | 15.8¢ | $7.54 | |
| Kentucky | 15.0¢ | $7.18 | |
| Louisiana | 14.4¢ | $6.90 | |
| Maine | 28.4¢ | $14 | |
| Maryland | 22.1¢ | $11 | |
| Massachusetts | 29.4¢ | $14 | |
| Michigan | 21.4¢ | $10 | |
| Minnesota | 16.4¢ | $7.83 | |
| Mississippi | 16.8¢ | $8.01 | |
| Missouri | 14.0¢ | $6.69 | |
| Montana | 13.9¢ | $6.64 | |
| Nebraska | 13.3¢ | $6.35 | |
| Nevada | 14.3¢ | $6.83 | |
| New Hampshire | 27.2¢ | $13 | |
| New Jersey | 23.5¢ | $11 | |
| New Mexico | 15.2¢ | $7.24 | |
| New York | 29.4¢ | $14 | |
| North Carolina | 16.3¢ | $7.76 | |
| North Dakotacheapest | 12.3¢ | $5.90 | |
| Ohio | 19.5¢ | $9.31 | |
| Oklahoma | 13.3¢ | $6.36 | |
| Oregon | 15.8¢ | $7.54 | |
| Pennsylvania | 21.5¢ | $10 | |
| Rhode Island | 28.3¢ | $14 | |
| South Carolina | 17.1¢ | $8.15 | |
| South Dakota | 14.5¢ | $6.94 | |
| Tennessee | 14.9¢ | $7.14 | |
| Texas | 17.0¢ | $8.12 | |
| Utah | 13.3¢ | $6.35 | |
| Vermont | 24.6¢ | $12 | |
| Virginia | 17.4¢ | $8.30 | |
| Washington | 14.4¢ | $6.86 | |
| West Virginia | 16.1¢ | $7.67 | |
| Wisconsin | 19.2¢ | $9.18 | |
| Wyoming | 14.7¢ | $7.01 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| ViewSonic VS17552 | 48 | $9.00 |
| HP HP 327ph | 48 | $8.99 |
| ASUS PA278CV | 48 | $8.99 |
| Lenovo D24238FL1 | 48 | $9.00 |
| Acer B247Y | 48 | $8.98 |
| PHILIPS 243B1 | 48 | $9.01 |
Run your own numbers
Your rate, your numbers
- Per day
- 2¢
- Per month
- $0.75
- Per year
- $9.04
48 kWh/yr × 18.8¢/kWh = $9.04/yr
Prefilled with this model's certified 48 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 LG 27BF440B use?
- ENERGY STAR certifies the LG 27BF440B at 48 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 LG 27BF440B cost to run per month?
- About $0.75 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $9.00 a year. Your state's rate moves this up or down; see the table above.
- Is the LG 27BF440B energy efficient?
- It uses 6% more electricity than the median certified computer monitor.
- What does the LG 27BF440B cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $5.90 a year in North Dakota (12.3¢/kWh) and $22 in Hawaii (46.6¢/kWh).