Samsung QN50QN90DAF running cost
$30.30/year
The Samsung QN50QN90DAF is rated at 166 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $30.30 a year, or $2.53 a month.
How it compares
Among 59 certified mid-size (43-59") TVs (same size band), it ranks #38 for lowest running cost (class median $27.65/year). Screen size (inches, diagonal): 49.5.
Cheaper-to-run TVs in the same size band
- Sansui S50KAUT — 114 kWh/yr, $20.81/yr
- LG 50QNED80AU* — 114 kWh/yr, $20.87/yr
- PHILIPS 50HFL4518U/27 — 114 kWh/yr, $20.90/yr
- LG 50QNED85AU* — 119 kWh/yr, $21.79/yr
- LG 50QNED82AU* — 119 kWh/yr, $21.79/yr
Specifications
| Display type | QD-LED (QLED) |
|---|---|
| Backlight | Direct-lit LED |
| Resolution | 4K (UHD) |
| On-mode power (W) | 74.27 |
| Standby, networked (W) | 0.40 |
| On market since | 2023-12-29 |
| Annual energy use | 166 kWh |
Source: ENERGY STAR certified TVs dataset, record 3354304. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $21.05 |
| Nevada | 12.8¢ | $21.13 |
| Utah | 13.1¢ | $21.71 |
| North Dakota | 13.4¢ | $22.19 |
| Tennessee | 13.7¢ | $22.69 |
| Idaho | 13.7¢ | $22.72 |
| Nebraska | 13.8¢ | $22.81 |
| Kentucky | 13.8¢ | $22.86 |
| Arkansas | 14.3¢ | $23.72 |
| Oklahoma | 14.3¢ | $23.75 |
| Wyoming | 14.4¢ | $23.77 |
| Mississippi | 14.5¢ | $24.06 |
| Washington | 14.7¢ | $24.35 |
| Montana | 15.0¢ | $24.81 |
| Florida | 15.0¢ | $24.87 |
| North Carolina | 15.2¢ | $25.09 |
| Kansas | 15.3¢ | $25.27 |
| South Dakota | 15.4¢ | $25.44 |
| Arizona | 15.4¢ | $25.45 |
| South Carolina | 15.5¢ | $25.60 |
| West Virginia | 15.8¢ | $26.12 |
| Texas | 15.9¢ | $26.28 |
| Oregon | 16.0¢ | $26.43 |
| Iowa | 16.0¢ | $26.46 |
| Missouri | 16.1¢ | $26.63 |
| New Mexico | 16.1¢ | $26.63 |
| Georgia | 16.3¢ | $26.93 |
| Alabama | 16.4¢ | $27.14 |
| Indiana | 16.7¢ | $27.69 |
| Colorado | 17.0¢ | $28.14 |
| Minnesota | 17.4¢ | $28.88 |
| Virginia | 17.6¢ | $29.05 |
| Delaware | 18.5¢ | $30.58 |
| Wisconsin | 19.1¢ | $31.54 |
| Illinois | 19.2¢ | $31.81 |
| Ohio | 19.4¢ | $32.19 |
| Maryland | 21.4¢ | $35.43 |
| Pennsylvania | 21.7¢ | $35.95 |
| Michigan | 23.1¢ | $38.15 |
| Vermont | 23.8¢ | $39.31 |
| Connecticut | 24.2¢ | $39.98 |
| New Jersey | 25.2¢ | $41.69 |
| District of Columbia | 25.2¢ | $41.72 |
| New Hampshire | 26.6¢ | $44.02 |
| Rhode Island | 28.3¢ | $46.82 |
| Alaska | 28.8¢ | $47.71 |
| New York | 29.9¢ | $49.48 |
| Massachusetts | 30.5¢ | $50.46 |
| Maine | 32.4¢ | $53.64 |
| California | 33.6¢ | $55.62 |
| Hawaii | 48.0¢ | $79.44 |