Does an OLED TV Use More Electricity Than LED?

Yes — at the same screen size, ENERGY STAR certified OLED TVs use noticeably more electricity than LCD (LED-backlit) TVs. Among roughly 55-inch models, the median OLED costs about $36 a year to run versus $28 for LCD — about 31% more for the same size screen, because self-lit OLED pixels draw more power than a dimmable LED backlight under ENERGY STAR’s on-mode test.

The certified data, in short:

• Same size (~55"), median annual cost — OLED: $36.44/yr (193.5 kWh). LCD: $27.68/yr (147 kWh).
• Across all certified sizes, OLED models skew much larger (64.5" median) than LCD (49.6" median), which widens the raw, unadjusted gap even further.
• QD-LED (QLED) models track closer to OLED than to standard LCD in this data — $48.58/yr median across all sizes.
• Cheapest certified OLED overall: the LG OLED42C6PU at 117 kWh/yr (~$22/yr) — a small 41.5-inch screen.

Why OLED uses more power than LED at the same size

An LED TV is really an LCD panel lit from behind by an LED backlight that can dim itself in dark scenes; an OLED panel has no separate backlight at all — every pixel emits its own light and switches off individually for true black. ENERGY STAR’s on-mode power test runs a mix of video content rather than an all-dark screen, and for the brighter portions of that content, individually-lit OLED pixels tend to draw as much or more power than a well-tuned dimmable LED backlight. Certified OLED lineups also trend toward larger, higher-end, brighter-peak-nit televisions, which compounds the gap.

Controlling for screen size: does OLED still cost more?

Comparing raw category averages overstates the gap, since OLED TVs in the certified data run larger on average. Restricting to models within 5% of 55 inches removes that confound:

• LCD (~55") — median 147 kWh/yr ($27.68/yr), 10 certified models.
• OLED (~55") — median 193.5 kWh/yr ($36.44/yr), 18 certified models.

The gap shrinks once size is controlled for, but it doesn’t disappear — OLED still runs about 31% higher than LCD at a matched size, confirming this is a real technology effect and not purely a side effect of OLED TVs being bigger on average.

The cheapest and priciest certified TVs to run

The single cheapest certified model overall is the LG OLED42C6PU, at 117 kWh/yr (~$22/yr) — a relatively small 41.5-inch OLED. At the other extreme, the Samsung QN83S95FAE, an 83.5-inch OLED, runs about 399 kWh/yr (~$75/yr). Browse certified models by size at 55-inch or 65-inch to compare specific models.

Does this mean you should avoid OLED?

Not necessarily. The size-matched difference works out to roughly $8–9 a year — real, measurable, and consistent in the certified data, but small next to OLED’s picture-quality advantages (true blacks, high contrast, wide viewing angles) that many buyers specifically pay for. This is worth knowing before you assume OLED is automatically the more efficient choice, but it’s a minor line item next to the TV’s purchase price, not a reason on its own to avoid the technology.

FAQ

Does OLED use more electricity than LED TVs? Yes. At a matched screen size (~55 inches), the median certified OLED TV uses about 31% more energy per year than the median LCD/LED TV — 193.5 kWh versus 147 kWh.

Why do OLED TVs use more power if each pixel is individually efficient? ENERGY STAR’s on-mode test uses mixed video content, not an all-dark screen. For the brighter parts of that content, self-emissive OLED pixels can draw as much or more power than a well-tuned dimmable LED backlight, and certified OLED lineups also trend toward larger, brighter models.

Is QLED more efficient than OLED? Not in this data — certified QD-LED (QLED) models have a similar or slightly higher median running cost than OLED, not a cost closer to standard LCD TVs.

How much extra will an OLED TV actually cost me per year in electricity? Based on same-size certified medians, about $8–9 a year more than an equivalent LCD TV — a real but modest difference.

What’s the cheapest certified OLED TV to run? The LG OLED42C6PU, certified at 117 kWh a year (about $22 a year) — though at 41.5 inches, it’s smaller than most OLED models on the market.