Thinking about solar energy, but turned off by high installation costs? ☀️🔌 Thanks to a recent UK law change, plug-in solar panels are officially legal and hitting the high street at a fraction of the cost of rooftop systems. But are they actually worth it for your home? In our latest Which? Shorts podcast, James Rowe breaks down how plug-in solar works, how much you could save, and how they stack up against traditional panels.