Gas and electricity price rises have many people wondering: ‘Should I switch to a fixed price energy tariff?’

With a fixed price energy tariff, your unit rates stay at one price for the duration of the plan, so you’re protected if prices go up. (Fixed price does not mean that you pay the same price however much energy you use.) However, fixed price plans can be more expensive than cheap online deals.

Use this chart to see how much (or how little) a fixed plan could save you if prices go up. (Click to see a larger version.)

For more info, and to compare prices, check out our guide to fixed price energy.