Residential Solar


Custom rooftop solar, engineered for Massachusetts.
We design every system to your roof, your bill and your shade conditions.
Engineered per home
Roof, shading and structural review by licensed engineers.
Permits handled
We pull every permit and utility filing.
25-year warranty
Workmanship + manufacturer warranties.
Massachusetts incentives that still pay (2026).
The federal residential credit expired Dec 2025. MA state programs still pay.
MA SMART 3.0
$0.03/kWh × 20 years + adders.
Net metering
Up to 25 kW · full retail rate.
Federal credit (PPA only)
Sec. 48E (PPA only) through Dec 2027.
Section 25D expired Dec 31, 2025. State incentives subject to program rules.
Step 2 · Upload your bill
We’ll read it and tell you exactly what to do.
Step 3 · See the numbers
Production, savings and payback for your home.
Compare your utility
Different utility, different savings.
The long view
What 25 years of solar saves you.
Your block
See how your bill compares to your neighbors.
The panels we install
Why we picked Silfab and SEG.
How solar works
From sun to your wallet, in 6 steps.
In real time
See it live.
Year-round production
How much solar produces, month by month.
Design your system
Your roof, mapped by Google's solar data.
Your protection