This page covers the cost structure of residential and commercial solar installations in Massachusetts, including the major pricing components, how state and federal incentives offset gross costs, and the boundaries that separate straightforward installations from complex.
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Going solar in Massachusetts now averages about $4. That means you can expect to pay roughly $4,022 per kilowatt (kW) of installed capacity before incentives. For example, a 5 kW system typically costs around $20,350 before applying the 30% federal tax credit.
[PDF Version]
