https://plugpanel.co.uk/blogs/news/is-my-plug-in-solar-kit-certified 2026-08-19T14:55:33+01:00 weekly https://cdn.shopify.com/s/files/1/0979/6979/9496/articles/Gemini_Generated_Image_y0xgk2y0xgk2y0xg_79b60545-dfd7-435f-8654-64f62a81499f.jpg?v=1787147733 How to check a plug-in solar kit is actually legal in the UK