Here are the top 5 best solar panels in the UK for 2023, based on efficiency, power output, warranty, and overall value: SunPower Maxeon 3: This panel boasts an impressive efficiency of 22.6%, making it one of the most efficient solar panels on the market. It also has a high power output of up to 415W, meaning it can generate a significant amount of electricity even in limited space. SunPower...