EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

TVs · 77″ · 3840×2160 · OLED

LG OLED77CX9LA

G

Uses less electricity than 6% of the 5,642 TVs, 65″ and over on the EU register. At your selected price (European Union) that is €67 a year, €674 over ten years.

Power, SDR
163.0 W
Typical 107 W
Running cost
€67 / year
4 h a day
Power, HDR
321.0 W
2.0× SDR

Uses more than most comparable models: 94 % of them need less. LG OLED77C61LA, the most efficient alternative on sale, saves about €31 a year. 75% of comparable models reach a better class than G; the most common is E. In HDR it draws 321.0 W, 2.0 times its SDR power. LG has 1134 models in this group; this one is number 981 among them. LG sells the same label values under other model names: OLED77CX3LA, OLED77CX6LA. On the register since 2021 and still on sale.

Where it stands

Rank 5,273 of 5,642 TVs, 65″ and over by yearly consumption. 5,272 use less.

Median 156 This model · 238 45 535 kWh ← uses less · uses more →

Next to it in the ranking

  1. G LG OLED77CX3LA 238 kWh same
  2. G LG OLED77CX6LA 238 kWh same
  3. G LG OLED77CX9LA 238 kWh
  4. F Philips 100PQS9001/12 239 kWh +€0.40
  5. G Philips 75PUS8506/12 239 kWh +€0.40
See the full ranking

What it will cost you

Period OLED77CX9LA OLED77C61LA Difference
1 year €67 €36 −€31
5 years €337 €181 −€156
10 years €674 €361 −€313
15 years €1,011 €542 −€469

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 163.0 W
HDR 321.0 W
Group median, SDR 107.0 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 119 €34
4 hours a day 238 €67
8 hours a day 476 €135

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
G LG OLED77CX9LA (this model)
77″163.0 238 — —
77″87.3 128 €31 €313
77″87.3 128 €31 €313
77″87.3 128 €31 €313
77″87.3 128 €31 €313
77″87.3 128 €31 €313

Label and product sheet

Energy class SDR / HDR
G / G
On-mode power SDR
163.0 W
On-mode power HDR
321.0 W
Standby / networked standby
0.5 W / 2.0 W
Screen diagonal
77″
Resolution
3840×2160
Panel
OLED
Refresh rate
120 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
1 years
Spare parts (minimum)
8 years

Model numbers and history

Registered by LG under one model number.

OLED77CX9LA

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the LG OLED77CX9LA cost to run?

At 4 hours a day it uses about 238 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €67 a year, or €674 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 321.0 W instead of 163.0 W, 2.0 times as much. The yearly cost on this page uses SDR, as the label does.