Select a Tariff UK: Price Cap (October 2023) - 0.2735 p/kW UK: Price Cap (July 2023) - 0.3011 p/kW UK: Energy Price Guarantee (October 2022) - 0.34 p/kW UK: Price Cap (April 2022) - 0.28 p/kW UK: Price Cap (October 2021) - 0.21 p/kW UK: Average (2021) - 0.2 p/kW UK: Average Economy 7 (2018) - 0.09 p/kW USA: Average (February 2022) - 0.15 p/kW Canada: Average (2020) - 0.08 p/kW Australia: Average (March 2022) - 0.24 p/kW
Bulb Type Power Usage Cost per Hour Cost per Year (single bulb) Cost per Year (household average) Average Cost of Bulb Life Span (Hours) LED 10W 0.0027 4.49 89.84 5 50,000 CFL 20W 0.0055 8.98 179.69 2 8,000 Halogen 70W 0.0191 31.45 628.91 1 2,000 Incandescent 100W 0.0274 44.92 898.45 1 2,000
* cost per year (single bulb) is based on a single bulb being used for 4.5 hours per day
* cost per year (household average) is based on the UK average household - which is 2 hours per day with an average of 45 bulbs for a single household.