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3 TVs side by side.

4 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Panasonic TX-77LZ2000E €60.37
  • LG OLED77C61LA €36.10
  • LG OLED77G61LW €38.33
Model Panasonic TX-77LZ2000E LG OLED77C61LA LG OLED77G61LW
Running cost
Running cost (per year) €60.37 €36.10 €38.33
over 10 years €604 +€243 over 10 years €361 €383 +€22 over 10 years
kWh per year 213 127 135
kg CO₂e per year from electricity use 45 27 28
Specifications
Brand Panasonic LG LG
Model TX-77LZ2000E OLED77C61LA OLED77G61LW
Energy class G D E
Screen size 77″ (195 cm) 77″ (194.7 cm) 77″ (194.7 cm)
Power in on mode (SDR) 146 W 87.3 W 92.7 W
Energy class (HDR) G G G
Power in on mode (HDR) 222 W 260 W 334 W
Standby 0.5 W 0.5 W 0.5 W
Networked standby 1 W 2 W 2 W
Off mode 0.3 W – –
Resolution 3840 × 2160 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9 16:9
Panel OLED OLED OLED
Refresh rate 100 Hz 120 Hz 120 Hz
Power supply Internal Internal Internal
Guaranteed support 7 years 8 years 8 years
Software updates 8 years 8 years 8 years
Spare parts available 7 years 8 years 8 years
On the market since November 24, 2022 March 20, 2026 March 20, 2026
EPREL registration number 1106193 2593880 2641691

Rows where the models differ are highlighted.