The “Zombie Solar” Audit: Is Your 10-Year-Old System Costing You?
Many 10-year-old solar systems still work, but quietly underperform. In 2026, repowering outdated 3kW systems can cost less than repairs and deliver far bigger bill savings. If your solar system was installed around 2016, there’s a good chance it’s still switching on every morning. And yet, your electricity bill is still around $800. This







