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What is a dual fuel energy tariff?

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In short: One supplier bills both gas and electricity — sometimes with a dual-fuel discount, but splitting fuels across suppliers can still be cheaper.

Content updated:

Compare dual-fuel against separate electricity and gas quotes.

Single-fuel households need only electricity — do not pay for gas you do not use.

One bill simplifies admin but is not always lowest cost.

See compare energy tariffs guide.

Part of our Bills & utilities

This quick answer sits inside our wider bills & utilities hub — with sub-guides, calculators and step-by-step explainers on the same topic.

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