How long do solar panels last? This is a common question among homeowners and businesses considering solar energy. On average, solar panels have a lifespan of 25 to 30 years, with minimal efficiency loss over time. Even after their expected lifespan, they continue to generate electricity, making them a long-term investment for sustainability and cost savings. But how long does solar ... https://solarsme.com/how-long-do-solar-panels-last/