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Cranston, Rhode Island
Like many homeowners in Cranston, Rhode Island, this family was looking to take control of their electricity costs. With Rhode Island Energy rates averaging $0.29/kWh, the numbers made sense — especially with Rhode Island’s available state and utility incentive programs.
In Rhode Island, solar homeowners can benefit from programs like REG program ($0.27/kWh, 15-20 years) and REF rebate ($0.65/W, up to $5,000). Sales tax exempt (7%). 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 13.2 kW system using 33 LONGi Hi-MO 6 400W panels (400W each). LONGi Hi-MO panels leverage monocrystalline PERC technology for strong efficiency. LONGi is the world’s largest solar panel manufacturer, and their panels carry a 25-year product warranty.
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
Rhode Island REG program guarantees $0.27/kWh for 15-20 years. The REF rebate provides $0.65/W capped at $5,000 plus a $2,000 battery adder.
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.
“NuWatt was the most professional of the four companies we got quotes from. Fair price, clear timeline, and the install crew was respectful of our property. System has been running flawlessly.”
Homeowner in Cranston, RI
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