Model
Lg 43QNED80AU*
Rank #20 means 19 of the 172 television models we track cost less to run each year; the 88th efficiency percentile means it uses less energy for its size than 88% of those models.
What does the Lg 43QNED80AU* cost to run per year?
The Lg 43QNED80AU* holds rank #20 of 172 on running cost, at about $18 a year, a genuinely cheap result for the class. Few television models we track beat it on size-adjusted efficiency; it edges out 88% of the class once capacity is normalized. This class has no published efficiency-factor figure beyond annual kWh itself, so at 42.5 in (the class spans 13.23 to 114.4), size is the clearest lever we can point to for this model's running cost.
Immediately around it on the leaderboard, the Sansui LE-43VA1 at $18/yr runs a little cheaper and the Philips 43HFL6214U/27 at $19/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A television typically stays in service for somewhere around 7 years; over that span, the Lg 43QNED80AU*'s $18/yr adds up to roughly $126 in electricity alone, before purchase price or repairs.
Also sold as: Sansui LE-43VA1.
By the numbers
The Lg 43QNED80AU* normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $18/yr, here is what the Lg 43QNED80AU* adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Lg 43QNED80AU* costs about $180. That is roughly $170 less than the class median, which would run closer to $350 over the same ten years.
How the Lg 43QNED80AU* compares
The television class we track runs from $3 to $117 a year. At $18/yr, it runs about $17 a year cheaper than the class median of $35, and it is about $15 a year more than the cheapest television to run at $3.
What drives its running cost
At 42.5 in, the Lg 43QNED80AU* is a small television for its class, which spans 13.23 to 114.4 in with a median of 55 in, at the small end of the class, capacity itself is doing a lot of the work to keep that figure down, separate from how efficient the unit actually is.
- Screen size. Screen size is the single strongest predictor of a TV's on-mode wattage, ahead of panel technology or brand.
- On-mode brightness. On-mode watts, the figure ENERGY STAR measures at the factory picture setting, can differ a lot from what a TV actually draws once you change the picture mode.
- Hours of use. Running cost compounds with hours of use, so this figure is really a per-hour rate multiplied by a standard viewing assumption, not a fixed annual bill.
Common questions
Is the Lg 43QNED80AU* cheap to run?
Yes. Its $18/yr running cost puts it at rank #20 of 172, below what most television models we track cost to run.
How much does the Lg 43QNED80AU* cost per month?
About $1.53 a month, which is the $18 annual estimate spread across twelve months at the US average rate of $0.1856/kWh. Your own bill scales with your local electricity rate and how heavily you use it.
How is this running-cost figure calculated?
The formula is annual kWh times price per kWh: 99 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $18 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Lg 43QNED80AU* for its size?
88th percentile once size is factored in. That means its size-adjusted efficiency is a real factor in the running-cost figure above; its capacity plays a large role too.
Cheaper to run in the same class
| Rank | Model | Cost/yr |
|---|---|---|
| 19 | Sansui LE-43VA142.5 in | $18 |
| 18 | Philips 43HFL4518U/2742.5 in | $17 |
| 17 | Sansui LE-43KA142.5 in | $15 |
| 16 | Sansui LE-32VA131.47 in | $12 |
| 15 | Sansui, Amzfast LE-32V131.43 in | $12 |
Source
ES_1118034_43QNED80AU*_112020241312476_9585146View certified television listingsENERGY STAR data as of July 2026Lg and 43QNED80AU* are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.