California is ideal for solar energy because of the sunlight. But the same climate that makes solar effective also creates conditions that quickly dirty panels. Long dry seasons mean there is very little natural rinsing. Dust from roads, nearby construction, landscaping, and wind settles onto the panels and stays there. Add pollen, bird droppings, ash…

You installed solar to cut your power bill, so it is frustrating when the numbers stop adding up. Maybe production looked great in the first year and then slowly dipped. Maybe your monitoring app shows a steady decline that you cannot quite explain. Before you assume something is broken, take a closer look at what…