Massachusetts DOER / Eversource / National Grid / Unitil
Massachusetts SMART 3.0 Solar Program is available to homeowners in Boston, MA.
SMART 3.0 (Solar Massachusetts Renewable Target) pays residential solar owners a fixed rate of $0.03/kWh produced for 10 years, on top of net metering savings. Low-income customers receive a doubled rate of $0.06/kWh. Available to customers of Eversource, National Grid, and Unitil. The 2026 program year has 900 MW of capacity statewide. Combining SMART with the MA state solar tax credit (15%, capped at $1,000) maximizes returns.
$0.03/kWh × 10 years for standard; $0.06/kWh for low-income. Stacks with net metering, MA 15% solar tax credit (max $1,000), and federal ITC. Property tax exemption for 20 years on added value.
Data last verified 2026-04-03. How we verify our data.
In Boston, MA, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Boston, MA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Boston early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Program Year 2026 open January 1, December 31, 2026 (900 MW capacity)
Ask us. It is free, and a real person answers within a business day.
Email us about this program$0.03/kWh for 10 years ($0.06/kWh low-income).
Massachusetts SMART 3.0 Solar Program is open to homeowners in Boston, MA. It has no income limit.
Apply directly with Massachusetts DOER / Eversource / National Grid / Unitil using the official program link on this page or call 617-626-7300. There is no middleman and no fee. Deadline: Program Year 2026 open January 1, December 31, 2026 (900 MW capacity).
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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