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What Is a Solar Panel?
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Understand the difference between solar PV and solar thermal panels, how each system works and which questions to ask when reviewing quotations or drawings.
Planning your overall budget? Estimate the build cost of this design.
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What is a solar panel? This guide explains the difference between two technologies that often share the same name. Solar PV panels generate electricity through cells and an inverter, while solar thermal panels heat water using a cylinder and pump system. It compares the equipment, storage, maintenance and typical suitability of each option, helping you interpret quotations and drawings with confidence.
For information about payments for exported renewable electricity, see the Smart Export Guarantee on GOV.UK, or explore our guide to the Future Homes Standard.
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