Data through June 2026
Running cost · Televisions · ENERGY STAR certified
Samsung QN77S90FAF
At the standardized usage ENERGY STAR assumes, the Samsung QN77S90FAF consumes 287 kWh a year — about $53 at the U.S. average electricity rate ($4.38 a month). Even among certified models it's on the thirsty end: 54% more electricity than the median television, ranked 148 of 180. Where you live moves the bill from $38 a year in Nevada to $151 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
$53/yr
- Per month
- $4.38
- Per day
- 14¢
- Certified use
- 287 kWh/yr
- Screen size
- 76.8 in
- Display type
- OLED
- Backlight
- OLED
- On-mode power
- 154.71 W
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $47 | |
| Alaska | 28.2¢ | $81 | |
| Arizona | 15.2¢ | $43 | |
| Arkansas | 14.1¢ | $40 | |
| California | 34.7¢ | $100 | |
| Colorado | 17.1¢ | $49 | |
| Connecticut | 24.3¢ | $70 | |
| Delaware | 19.3¢ | $55 | |
| District of Columbia | 24.4¢ | $70 | |
| Florida | 15.1¢ | $43 | |
| Georgia | 16.4¢ | $47 | |
| Hawaiipriciest | 52.7¢ | $151 | |
| Idaho | 14.4¢ | $41 | |
| Illinois | 19.9¢ | $57 | |
| Indiana | 17.5¢ | $50 | |
| Iowa | 15.9¢ | $46 | |
| Kansas | 15.7¢ | $45 | |
| Kentucky | 14.3¢ | $41 | |
| Louisiana | 13.5¢ | $39 | |
| Maine | 29.6¢ | $85 | |
| Maryland | 21.8¢ | $63 | |
| Massachusetts | 29.6¢ | $85 | |
| Michigan | 23.0¢ | $66 | |
| Minnesota | 17.5¢ | $50 | |
| Mississippi | 14.9¢ | $43 | |
| Missouri | 16.2¢ | $46 | |
| Montana | 15.1¢ | $43 | |
| Nebraska | 13.3¢ | $38 | |
| Nevadacheapest | 13.1¢ | $38 | |
| New Hampshire | 27.0¢ | $77 | |
| New Jersey | 24.9¢ | $71 | |
| New Mexico | 15.1¢ | $43 | |
| New York | 29.5¢ | $84 | |
| North Carolina | 14.7¢ | $42 | |
| North Dakota | 14.1¢ | $40 | |
| Ohio | 19.2¢ | $55 | |
| Oklahoma | 14.3¢ | $41 | |
| Oregon | 16.3¢ | $47 | |
| Pennsylvania | 21.7¢ | $62 | |
| Rhode Island | 29.2¢ | $84 | |
| South Carolina | 15.6¢ | $45 | |
| South Dakota | 15.4¢ | $44 | |
| Tennessee | 14.1¢ | $40 | |
| Texas | 15.9¢ | $46 | |
| Utah | 13.4¢ | $38 | |
| Vermont | 24.4¢ | $70 | |
| Virginia | 17.2¢ | $49 | |
| Washington | 14.9¢ | $43 | |
| West Virginia | 15.4¢ | $44 | |
| Wisconsin | 19.6¢ | $56 | |
| Wyoming | 15.2¢ | $44 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| LG OLED77G6WU | 288 | $53 |
| Samsung QN77S85DAE | 283 | $52 |
| Samsung QN77S90HAE | 293 | $54 |
| Samsung QN65S95DAF | 277 | $51 |
| Samsung QN77S90DAF | 298 | $55 |
| LG OLED65C5 | 275 | $50 |
Run your own numbers
Your rate, your numbers
- Per day
- 14¢
- Per month
- $4.39
- Per year
- $53
287 kWh/yr × 18.3¢/kWh = $53/yr
Prefilled with this model's certified 287 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 Samsung QN77S90FAF use?
- ENERGY STAR certifies the Samsung QN77S90FAF at 287 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 Samsung QN77S90FAF cost to run per month?
- About $4.38 a month at the U.S. average residential rate (18.3¢/kWh) — 14¢ a day, or $53 a year. Your state's rate moves this up or down; see the table above.
- Is the Samsung QN77S90FAF energy efficient?
- It uses 54% more electricity than the median certified television, which puts it among the least efficient certified models.
- What does the Samsung QN77S90FAF cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $38 a year in Nevada (13.1¢/kWh) and $151 in Hawaii (52.7¢/kWh).