It's great to hear your interest in solar panels! Generally, you should evaluate your solar system every few years, as technological advancements can improve efficiency and performance. Upgrading panels can maximize energy production and lower costs over time. For more insights on the latest trends in solar technology, check out the
Solar Tech site, which provides valuable resources and updates on innovations in the industry. Their articles cover everything from system design to efficient energy solutions, making it a great resource for solar enthusiasts.