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Brighton, Massachusetts
Installing solar in a dense urban neighborhood like Brighton presents unique design challenges — limited roof space, complex roof geometry, and potential shading from adjacent structures. The homeowner needed an installer who could maximize production within these constraints.
In Massachusetts, solar homeowners can benefit from programs like SMART 3.0 and ConnectedSolutions. Sales tax exempt. Property tax exempt (20 years).
Important: The federal residential solar tax credit (Section 25D) expired on December 31, 2025. All savings calculations for this project reflect $0 federal tax credit for homeowner-purchased systems.
We designed a 9.9 kW system using 23 Q.CELLS Q.PEAK DUO ML-G11+ panels (430W each). Q.CELLS Q.PEAK DUO panels feature half-cut cell technology with excellent anti-degradation performance. Made by Hanwha, they carry a 25-year product warranty and are widely recognized for consistent real-world output.
The Enphase IQ8+ microinverters convert DC to AC at each individual panel, maximizing production even when some panels are shaded. Enphase’s panel-level monitoring lets the homeowner track performance of every single panel through the Enphase app. The IQ8 series also supports Sunlight Backup — limited daytime power during grid outages even without a battery.
Equipment Reviews
Massachusetts SMART 3.0 provides $0.03/kWh for 20 years on residential systems up to 25 kW. ConnectedSolutions pays up to $275/kW for battery demand response.
Federal Tax Credit Status: The residential solar tax credit (Section 25D) expired December 31, 2025. Homeowner-purchased systems receive $0 federal tax credit. All savings estimates above are calculated without any federal credit. Third-party owned systems (leases/PPAs) may still benefit from the commercial ITC (Section 48/48E) claimed by the financing company.
“Urban install on a triple-decker — NuWatt figured out the permitting and got it done when two other companies said it couldn't be done. Production has been spot-on with estimates.”
Homeowner in Brighton, MA






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