A TV's power use depends mainly on its screen size, display technology and brightness settings. A modern 55-inch LED TV typically draws around 60–80 watts while playing content, while larger OLED and QLED models can use 100–150 watts or more, especially with HDR content and high brightness.
Our calculator estimates wattage from your screen size and TV type, then multiplies it by your daily viewing hours and electricity price. For example, a 55-inch LED TV used four hours a day at 0.35 EUR per kWh uses around 8.6 kWh per month and costs about 3 EUR monthly, or roughly 37 EUR per year.
OLED panels light each pixel individually, so dark scenes use less power, but bright scenes and HDR can push consumption higher. QLED TVs use a backlight with a quantum-dot layer, and their power draw rises with brightness. Standby power on modern TVs is usually under 0.5 watts, so it barely affects your bill.
To lower costs, try the TV's eco or energy-saving picture mode, reduce backlight or brightness in a bright room only when needed, and enable automatic power-off when no signal is detected. If your TV is more than eight to ten years old, a newer, efficient model can cut consumption significantly.
Use the info box under the results to see how much you could save per year by switching to an energy-efficient model of the same size.