Data through June 2026
Running cost · Televisions · ENERGY STAR certified
LG OLED77C5
At the standardized usage ENERGY STAR assumes, the LG OLED77C5 consumes 344 kWh a year — about $63 at the U.S. average electricity rate ($5.26 a month). Even among certified models it's on the thirsty end: 85% more electricity than the median television, ranked 166 of 180. Where you live moves the bill from $45 a year in Nevada to $181 in Hawaii. Note the certified pool here is small (180 models), so rankings shift more with each data refresh.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$63/yr
- Per month
- $5.26
- Per day
- 17¢
- Certified use
- 344 kWh/yr
- Screen size
- 76.7 in
- Display type
- OLED
- Backlight
- OLED
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $56 | |
| Alaska | 28.2¢ | $97 | |
| Arizona | 15.2¢ | $52 | |
| Arkansas | 14.1¢ | $49 | |
| California | 34.7¢ | $120 | |
| Colorado | 17.1¢ | $59 | |
| Connecticut | 24.3¢ | $84 | |
| Delaware | 19.3¢ | $66 | |
| District of Columbia | 24.4¢ | $84 | |
| Florida | 15.1¢ | $52 | |
| Georgia | 16.4¢ | $56 | |
| Hawaiipriciest | 52.7¢ | $181 | |
| Idaho | 14.4¢ | $49 | |
| Illinois | 19.9¢ | $68 | |
| Indiana | 17.5¢ | $60 | |
| Iowa | 15.9¢ | $55 | |
| Kansas | 15.7¢ | $54 | |
| Kentucky | 14.3¢ | $49 | |
| Louisiana | 13.5¢ | $46 | |
| Maine | 29.6¢ | $102 | |
| Maryland | 21.8¢ | $75 | |
| Massachusetts | 29.6¢ | $102 | |
| Michigan | 23.0¢ | $79 | |
| Minnesota | 17.5¢ | $60 | |
| Mississippi | 14.9¢ | $51 | |
| Missouri | 16.2¢ | $56 | |
| Montana | 15.1¢ | $52 | |
| Nebraska | 13.3¢ | $46 | |
| Nevadacheapest | 13.1¢ | $45 | |
| New Hampshire | 27.0¢ | $93 | |
| New Jersey | 24.9¢ | $86 | |
| New Mexico | 15.1¢ | $52 | |
| New York | 29.5¢ | $101 | |
| North Carolina | 14.7¢ | $51 | |
| North Dakota | 14.1¢ | $49 | |
| Ohio | 19.2¢ | $66 | |
| Oklahoma | 14.3¢ | $49 | |
| Oregon | 16.3¢ | $56 | |
| Pennsylvania | 21.7¢ | $75 | |
| Rhode Island | 29.2¢ | $101 | |
| South Carolina | 15.6¢ | $53 | |
| South Dakota | 15.4¢ | $53 | |
| Tennessee | 14.1¢ | $48 | |
| Texas | 15.9¢ | $55 | |
| Utah | 13.4¢ | $46 | |
| Vermont | 24.4¢ | $84 | |
| Virginia | 17.2¢ | $59 | |
| Washington | 14.9¢ | $51 | |
| West Virginia | 15.4¢ | $53 | |
| Wisconsin | 19.6¢ | $67 | |
| Wyoming | 15.2¢ | $52 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| LG OLED77B5 | 344 | $63 |
| Samsung QN85QN90FAF | 345 | $63 |
| SANSUI. LE-85TE1 | 347 | $64 |
| LG 86QNED90TU | 340 | $62 |
| LG OLED77G5 | 348 | $64 |
| Samsung QN98QN90FAF | 357 | $66 |
Run your own numbers
Your rate, your numbers
- Per day
- 17¢
- Per month
- $5.26
- Per year
- $63
344 kWh/yr × 18.3¢/kWh = $63/yr
Prefilled with this model's certified 344 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh is based on the standardized ENERGY STAR duty cycle of about 5 hours of on-time per day plus standby the rest of the time. Heavy streaming households will use more.
Questions, answered with the data
- How much electricity does the LG OLED77C5 use?
- ENERGY STAR certifies the LG OLED77C5 at 344 kWh per year. The certified annual kWh is based on the standardized ENERGY STAR duty cycle of about 5 hours of on-time per day plus standby the rest of the time. Heavy streaming households will use more.
- How much does the LG OLED77C5 cost to run per month?
- About $5.26 a month at the U.S. average residential rate (18.3¢/kWh) — 17¢ a day, or $63 a year. Your state's rate moves this up or down; see the table above.
- Is the LG OLED77C5 energy efficient?
- It uses 85% more electricity than the median certified television, which puts it among the least efficient certified models.
- What does the LG OLED77C5 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $45 a year in Nevada (13.1¢/kWh) and $181 in Hawaii (52.7¢/kWh).