Energy / LED bulbs

What swapping to LED saves.

Choose the bulb you have now and how long it's on. We work out the yearly saving and list the cheapest LED bulbs that fit.

Bulb you have now

How many

Hours a day each is on

Your region

Your unit rate pence per kWh, optional

Your answers are used to work this out and then forgotten: they're not stored, and not added to the page address.

Pick a bulb to start.

01 / How it works

We use the Ofgem price cap's electricity rate of 26.32p per kWh. We have 443 LED bulbs from Simply LED.

Retailers' own product feeds, through Awin. LED bulb names and prices come from each retailer's own product feed, supplied through the Awin affiliate network. Check the price, VAT and delivery with the retailer before you buy.