How much can plug-in solar panels really save you on your energy bills?

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From 27th August, plug-in solar panels will officially be available in the UK, offering a simpler and more affordable way to generate your own electricity. Like conventional solar panels, plug-in systems generate electricity from sunlight. So, how much could an 800W plug-in solar system actually save you on your energy bills? I dug into the numbers to find out, and here's what you need to know..Latest Videos From T3 Watch full video here:How do plug-in solar panels save money? These estimates are based on the new 800W plug-in solar systems, which is also the maximum output currently permitted under the new regulations.