With solar panel costs dropping by approximately 50% since 2010 and the federal tax credit currently at 30% (though under threat of elimination by December 2025), homeowners are increasingly asking: is solar a good investment? The short answer is yes, for most homeowners. Solar panels typically. With current tax credits and incentives, the average payback period for solar panels is between six and 10 years. However, solar. Key Takeaway: Solar remains a compelling long-term investment in 2025, even with loan rates up to 9%—as long as homeowners choose the right financing path, optimize system design, and act before the 30% federal tax credit expires on December 31, 2025 1. The average solar shopper saves between $37,000 and $154,000 over 25 years—not including any potential incentives—transforming what feels like a significant upfront cost into substantial long-term savings. Electric bills keep creeping up. And if you're like most Southern California homeowners, you've probably been burned by "too good to be true" offers before. TL;DR — Is Solar Worth It Financially: Quick answer.