The type of solar panel repair is a key cost driver, with cracked or broken panels costing $120 to $550, wiring repairs ranging from $100 to $400, and inverter replacement costing from $150 to $3,000. Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U. solar photovoltaic (PV) systems to develop cost benchmarks. These benchmarks help measure progress toward goals for reducing solar electricity costs. . The expense involved in substituting solar energy components can frequently vary significantly due to several factors, including the specific component type, brand, model, and installation complexity. Average costs for component replacement can range from a few hundred dollars for minor parts. . On average, you can spend anywhere from $300 - $800 or more for a typical solar panel maintenance. During this stage, you'll receive a quote and a timeline for the removal, storage (if required), and reinstallation. This phase includes coordinating with any roofers or contractors involved.