In short, yes. Solar panels still work on cloudy days and can still be used to recharge your EV. Solar panel technology is improving at a rapid rate and does not require direct sunlight to generate electricity but can instead still provide your home EV charger with free, renewable energy from diffuse light alone. Still, it’s important to note that solar panel efficiency is greatly reduced in cloudy conditions. Under light cloud cover, your solar EV charging system will produce around ...