Samsung QN50QN90FAF running cost
$26.33/year
The Samsung QN50QN90FAF is rated at 144 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $26.33 a year, or $2.19 a month.
How it compares
Among 59 certified mid-size (43-59") TVs (same size band), it ranks #23 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) | 75.76 |
| Standby, networked (W) | — |
| On market since | 2025-01-27 |
| Annual energy use | 144 kWh |
Source: ENERGY STAR certified TVs dataset, record 3943121. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $18.29 |
| Nevada | 12.8¢ | $18.36 |
| Utah | 13.1¢ | $18.87 |
| North Dakota | 13.4¢ | $19.28 |
| Tennessee | 13.7¢ | $19.72 |
| Idaho | 13.7¢ | $19.75 |
| Nebraska | 13.8¢ | $19.82 |
| Kentucky | 13.8¢ | $19.86 |
| Arkansas | 14.3¢ | $20.61 |
| Oklahoma | 14.3¢ | $20.64 |
| Wyoming | 14.4¢ | $20.65 |
| Mississippi | 14.5¢ | $20.91 |
| Washington | 14.7¢ | $21.15 |
| Montana | 15.0¢ | $21.56 |
| Florida | 15.0¢ | $21.61 |
| North Carolina | 15.2¢ | $21.80 |
| Kansas | 15.3¢ | $21.96 |
| South Dakota | 15.4¢ | $22.10 |
| Arizona | 15.4¢ | $22.12 |
| South Carolina | 15.5¢ | $22.25 |
| West Virginia | 15.8¢ | $22.69 |
| Texas | 15.9¢ | $22.84 |
| Oregon | 16.0¢ | $22.97 |
| Iowa | 16.0¢ | $23.00 |
| Missouri | 16.1¢ | $23.14 |
| New Mexico | 16.1¢ | $23.14 |
| Georgia | 16.3¢ | $23.40 |
| Alabama | 16.4¢ | $23.58 |
| Indiana | 16.7¢ | $24.06 |
| Colorado | 17.0¢ | $24.45 |
| Minnesota | 17.4¢ | $25.09 |
| Virginia | 17.6¢ | $25.24 |
| Delaware | 18.5¢ | $26.58 |
| Wisconsin | 19.1¢ | $27.41 |
| Illinois | 19.2¢ | $27.64 |
| Ohio | 19.4¢ | $27.97 |
| Maryland | 21.4¢ | $30.79 |
| Pennsylvania | 21.7¢ | $31.24 |
| Michigan | 23.1¢ | $33.15 |
| Vermont | 23.8¢ | $34.15 |
| Connecticut | 24.2¢ | $34.74 |
| New Jersey | 25.2¢ | $36.23 |
| District of Columbia | 25.2¢ | $36.25 |
| New Hampshire | 26.6¢ | $38.25 |
| Rhode Island | 28.3¢ | $40.68 |
| Alaska | 28.8¢ | $41.46 |
| New York | 29.9¢ | $43.00 |
| Massachusetts | 30.5¢ | $43.85 |
| Maine | 32.4¢ | $46.61 |
| California | 33.6¢ | $48.33 |
| Hawaii | 48.0¢ | $69.03 |