How much does it cost to run a lcd tv?
A lcd tv typically draws about 120 W. At the current Ofgem price-cap electricity rate of 26.11p/kWh (1 July to 30 September 2026), a typical 4-hour use costs about 12.5p, and one hour costs roughly 3.1p.
LCD TV running cost: ~0.12 kWh per hour β 3.1p/hour. A typical 4-hour use β 12.5p at 26.11p/kWh.
LCD TV running-cost calculator
A lcd tv draws about 120 W. Set how long you run it and we apply the current Ofgem electricity unit rate of 26.11p/kWh.
Cost to run for 4 hours
12.5p
Uses 0.48 kWh at 26.11p/kWh.
- Per day
- 12.5p
- Per week
- 87.7p
- Per year
- Β£45.74
Per-day/week/year figures assume one 4-hour run each day. Wattage is typical/indicative β your model may differ.
How the cost is worked out
- Wattage: a lcd tv draws about 120 W.
- Convert to kW: 120 Γ· 1,000 = 0.12 kW.
- Multiply by hours: 0.12 kW Γ 4 h = 0.48 kWh.
- Multiply by the unit rate: 0.48 kWh Γ 26.11p β 12.5p.
Frequently asked questions
How much does it cost to run a lcd tv?
A lcd tv draws about 120 W. At the Ofgem cap rate of 26.11p/kWh (1 July to 30 September 2026), a typical 4-hour use costs roughly 12.5p, and one hour costs about 3.1p.
How much electricity does a lcd tv use per hour?
At 120 W, a lcd tv uses about 0.12 kWh per hour, which is roughly 3.1p at the current cap rate.
Running costs for other appliances
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Wattage (120 W) is typical/indicative β your model may differ. Source: Heatable β How much energy do appliances use (typical ratings; draws on Energy Saving Trust / Centre for Sustainable Energy). Electricity unit rate from Ofgem β Energy price cap unit rates and standing charges (cap period 1 July to 30 September 2026, fetched 2026-06-18). Ofgem figures Β© Ofgem, Open Government Licence v3.0. Appliance wattages are typical/indicative, not measured. Ofgem.