The price of solar controllers often varies from $100 to $1,500, depending on type, features, and system requirements. ZHCSolar Team has completed an in-depth study to provide an average cost and give you a general idea of what to expect. Prices may vary depending on a range of factors such as. The expenses associated with solar panels and controllers can vary significantly based on numerous factors, including technology, efficiency, and size. Price and other details may vary based on product size and color. Need help? Most homeowners spend between $12,600 and $33,376 to install a complete residential solar system in 2026, with the national average at $19,873 before incentives. Discover how global demand and technological advancements shape pricing in the renewable energy sector.