LG OLED42C5*** running cost
$26.55/year
The LG OLED42C5*** is rated at 145 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $26.55 a year, or $2.21 a month.
How it compares
Among 39 certified small (under 43") TVs (same size band), it ranks #39 for lowest running cost (class median $12.30/year). Screen size (inches, diagonal): 41.5.
Cheaper-to-run TVs in the same size band
- Clear Tunes ATSC-PM81331 — 18 kWh/yr, $3.36/yr
- Emerson ATSC-PM81331 — 18 kWh/yr, $3.36/yr
- Clear Tunes CT-1514S — 20 kWh/yr, $3.66/yr
- Clear Tunes CT-1385S — 22 kWh/yr, $4.04/yr
- Clear Tunes PDVA-PM31561 — 24 kWh/yr, $4.45/yr
Specifications
| Display type | OLED |
|---|---|
| Backlight | OLED |
| Resolution | 4K (UHD) |
| On-mode power (W) | 77.8 |
| Standby, networked (W) | 0.40 |
| On market since | 2025-03-14 |
| Annual energy use | 145 kWh |
Source: ENERGY STAR certified TVs dataset, record 3722353. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $18.44 |
| Nevada | 12.8¢ | $18.52 |
| Utah | 13.1¢ | $19.02 |
| North Dakota | 13.4¢ | $19.44 |
| Tennessee | 13.7¢ | $19.88 |
| Idaho | 13.7¢ | $19.91 |
| Nebraska | 13.8¢ | $19.98 |
| Kentucky | 13.8¢ | $20.02 |
| Arkansas | 14.3¢ | $20.78 |
| Oklahoma | 14.3¢ | $20.81 |
| Wyoming | 14.4¢ | $20.82 |
| Mississippi | 14.5¢ | $21.08 |
| Washington | 14.7¢ | $21.33 |
| Montana | 15.0¢ | $21.74 |
| Florida | 15.0¢ | $21.79 |
| North Carolina | 15.2¢ | $21.98 |
| Kansas | 15.3¢ | $22.14 |
| South Dakota | 15.4¢ | $22.29 |
| Arizona | 15.4¢ | $22.30 |
| South Carolina | 15.5¢ | $22.43 |
| West Virginia | 15.8¢ | $22.88 |
| Texas | 15.9¢ | $23.03 |
| Oregon | 16.0¢ | $23.16 |
| Iowa | 16.0¢ | $23.19 |
| Missouri | 16.1¢ | $23.33 |
| New Mexico | 16.1¢ | $23.33 |
| Georgia | 16.3¢ | $23.59 |
| Alabama | 16.4¢ | $23.78 |
| Indiana | 16.7¢ | $24.26 |
| Colorado | 17.0¢ | $24.65 |
| Minnesota | 17.4¢ | $25.30 |
| Virginia | 17.6¢ | $25.45 |
| Delaware | 18.5¢ | $26.80 |
| Wisconsin | 19.1¢ | $27.64 |
| Illinois | 19.2¢ | $27.87 |
| Ohio | 19.4¢ | $28.20 |
| Maryland | 21.4¢ | $31.04 |
| Pennsylvania | 21.7¢ | $31.49 |
| Michigan | 23.1¢ | $33.42 |
| Vermont | 23.8¢ | $34.44 |
| Connecticut | 24.2¢ | $35.03 |
| New Jersey | 25.2¢ | $36.53 |
| District of Columbia | 25.2¢ | $36.55 |
| New Hampshire | 26.6¢ | $38.57 |
| Rhode Island | 28.3¢ | $41.02 |
| Alaska | 28.8¢ | $41.80 |
| New York | 29.9¢ | $43.35 |
| Massachusetts | 30.5¢ | $44.21 |
| Maine | 32.4¢ | $46.99 |
| California | 33.6¢ | $48.73 |
| Hawaii | 48.0¢ | $69.60 |