As of June 2026, the average solar panel system costs $3. 04/W including installation in Boston, MA. 87 kW system (the average system size in Boston, MA), this comes out to about $26,949 before any available incentives, though prices range from $22,907 to $30,991. Net metering in Boston allows homeowners to sell energy back to the grid at retail rates. Thanks to solar panels, modern-day homeowners in Boston can declare their energy. This guide provides clear cost ranges and budgeting tips for a residential solar install in the Boston area, focusing on cost and price clarity. Cost considerations for a Boston install typically center on system size. Boston experiences a full four-season climate, and solar panels here perform differently across those seasons. Summers are productive and hot — ideal for generation — while cold, clear winter days still contribute meaningful output. 36. You'll pay an average of $26,949 to install a 8. Some states, towns, and utility companies offer incentives that can help lower the cost of solar. Compare multiple offers and save up to 20% Massachusetts is.
