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Energy tools and calculators

Solar energy calculator

We’re currently improving our solar energy calculator and a new version will be available soon. 

In the meantime, to see how much you could typically save by installing solar panels, read our guide.   

If you live in England, Scotland or Wales, and you want to find out how you can export renewable energy back to the grid, read about the Smart Export Guarantee (SEG).

If you’re looking for current SEG deals, visit the Solar Energy UK website.

Last updated: 20 October 2023