Samsung QN77S90DAF running cost
$54.55/year
The Samsung QN77S90DAF is rated at 298 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $54.55 a year, or $4.55 a month.
How it compares
Among 39 certified extra-large (75"+) TVs (same size band), it ranks #12 for lowest running cost (class median $57.50/year). Screen size (inches, diagonal): 76.7.
Cheaper-to-run TVs in the same size band
- LG 86QNED80AU* — 234 kWh/yr, $42.85/yr
- LG OLED77C6HU* — 250 kWh/yr, $45.77/yr
- LG 86QNED82AU* — 262 kWh/yr, $47.97/yr
- LG OLED77B4PU* — 263 kWh/yr, $48.16/yr
- LG 86QNED85AU* — 264 kWh/yr, $48.34/yr
Specifications
| Display type | OLED |
|---|---|
| Backlight | OLED |
| Resolution | 4K (UHD) |
| On-mode power (W) | 160.93 |
| Standby, networked (W) | 0.60 |
| On market since | 2023-12-29 |
| Annual energy use | 298 kWh |
Source: ENERGY STAR certified TVs dataset, record 3354312. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $37.89 |
| Nevada | 12.8¢ | $38.04 |
| Utah | 13.1¢ | $39.08 |
| North Dakota | 13.4¢ | $39.95 |
| Tennessee | 13.7¢ | $40.84 |
| Idaho | 13.7¢ | $40.90 |
| Nebraska | 13.8¢ | $41.05 |
| Kentucky | 13.8¢ | $41.14 |
| Arkansas | 14.3¢ | $42.69 |
| Oklahoma | 14.3¢ | $42.75 |
| Wyoming | 14.4¢ | $42.78 |
| Mississippi | 14.5¢ | $43.31 |
| Washington | 14.7¢ | $43.82 |
| Montana | 15.0¢ | $44.66 |
| Florida | 15.0¢ | $44.77 |
| North Carolina | 15.2¢ | $45.16 |
| Kansas | 15.3¢ | $45.49 |
| South Dakota | 15.4¢ | $45.79 |
| Arizona | 15.4¢ | $45.82 |
| South Carolina | 15.5¢ | $46.09 |
| West Virginia | 15.8¢ | $47.01 |
| Texas | 15.9¢ | $47.31 |
| Oregon | 16.0¢ | $47.57 |
| Iowa | 16.0¢ | $47.63 |
| Missouri | 16.1¢ | $47.93 |
| New Mexico | 16.1¢ | $47.93 |
| Georgia | 16.3¢ | $48.47 |
| Alabama | 16.4¢ | $48.86 |
| Indiana | 16.7¢ | $49.84 |
| Colorado | 17.0¢ | $50.64 |
| Minnesota | 17.4¢ | $51.98 |
| Virginia | 17.6¢ | $52.28 |
| Delaware | 18.5¢ | $55.05 |
| Wisconsin | 19.1¢ | $56.78 |
| Illinois | 19.2¢ | $57.26 |
| Ohio | 19.4¢ | $57.94 |
| Maryland | 21.4¢ | $63.78 |
| Pennsylvania | 21.7¢ | $64.70 |
| Michigan | 23.1¢ | $68.67 |
| Vermont | 23.8¢ | $70.75 |
| Connecticut | 24.2¢ | $71.97 |
| New Jersey | 25.2¢ | $75.04 |
| District of Columbia | 25.2¢ | $75.10 |
| New Hampshire | 26.6¢ | $79.24 |
| Rhode Island | 28.3¢ | $84.28 |
| Alaska | 28.8¢ | $85.88 |
| New York | 29.9¢ | $89.07 |
| Massachusetts | 30.5¢ | $90.83 |
| Maine | 32.4¢ | $96.55 |
| California | 33.6¢ | $100.12 |
| Hawaii | 48.0¢ | $142.99 |