PV solar panels might not be the most efficient system overall, but they’re modular, easy to maintain, safe to DIY (for low voltage off grid systems), keep gett

PV solar panels might not be the most efficient system overall, but they’re modular, easy to maintain, safe to DIY (for low voltage off grid systems), keep getting cheaper per watt due to economies of scale, and have lots of easily available information on how to make the best use of them.