How long does a solar system last? A properly maintained solar power system can last over 25 to 30 years, delivering sustainable energy and reducing electricity bills. But beyond just the panels, system components like inverters and batteries play a crucial role. Inverters typically last 10 to 15 years, while solar panels continue generating power long after their expected lifespan. ... https://solarsme.com/how-long-do-solar-panels-last/