Compare UK energy suppliers (2026)

From the big six to challengers - see how suppliers compare and find a deal below the price cap now the July rise has landed.

Compare suppliers

Find the right supplier for you

There is no single cheapest supplier - it depends on your region, how much you use and whether you want a fixed, variable or smart tariff. Service quality and customer reviews matter too.

We compare the whole market on your usage, so you can weigh price, contract type and service in one place - and switch in minutes.

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What to weigh up

Price & contract

Unit rate, standing charge, fixed vs variable and any exit fees.

Service

Customer reviews and complaint handling vary widely between suppliers.

Smart features

If you have an EV, heat pump or battery, check the smart and off-peak tariffs.

Cut your bills for good with solar

Compare free, no-obligation quotes from vetted local solar & battery installers.

FAQs

There is no single cheapest - it depends on region, usage and tariff type. Comparing the whole market on your usage is the reliable way to find yours.

Yes - Ofgem's Supplier of Last Resort protects your supply and credit balance if a licensed supplier fails.

Around each quarterly cap change and when a fixed deal ends - with the July 2026 rise confirmed, now is a good time.

Compare every supplier

Find your cheapest switch under the current price cap.

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No obligation. Reviewed 5 July 2026.

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Updated on 22 Jul 2026