Help and support

What’s the difference between a fixed and variable tariff?

Fixed tariff

Your unit rates and standing charges remain fixed for a predefined period of time. This is typically for a year. 

This doesn’t mean that the amount you’ll pay is fixed – it depends on the amount of energy you use. 

Fixed energy tariffs are available to customers who take all our services - energy, mobile, and broadband.   

Variable tariff

The cost you pay for your energy can go up and down in line with wholesale costs. We’ll always give you 30 days’ notice of any price changes. 

You can find more information about other tariffs on this

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