Is there still a solar tax credit for Somerville homeowners in 2026?
The 30% federal credit is gone for 2026 installations. What survives for Somerville: Massachusetts's own incentives and tax treatment - verified against state sources.
The 30% federal solar tax credit ended for installations finished after December 31, 2025 - Somerville systems completed in 2026 get $0 from it.
Installed home solar for Somerville homeowners averages about $2.58 a watt across the U.S. marketplace - roughly $30,960 for a 12 kW system before incentives.
Somerville, Massachusetts has about 82,149 residents, and its solar quotes are built from system size, roof complexity and export rules - not the town name.
If a salesperson in Somerville tells you a 30% federal tax credit applies to your 2026 installation, they are quoting a dead law. What may still exist: Massachusetts's own incentives and tax treatment, listed below, and lease/PPA arrangements where a company claims commercial credits - in which case the credit belongs to them, not you.
Leased and PPA systems deserve extra scrutiny in 2026: the sales pitch often bundles 'tax savings' that now accrue to the leasing company under separate commercial rules - not to you. Get every claimed saving in writing, attributed to a specific law, before signing a 20-25 year contract.




The 2026 numbers
| System size | Installed price (marketplace avg) | Notes |
|---|---|---|
| 6 kW | $15,480 | Small roof / low usage |
| 8 kW | $20,640 | Typical starter system |
| 10 kW | $25,800 | Family home with AC |
| 12 kW | $30,960 | Large home / EV charging |
| Home battery (optional) | $12,000-$16,000 | Backup power + self-consumption |
Get solar quotes for Somerville
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The 30% federal tax credit is gone for 2026 installations
The federal Residential Clean Energy Credit (30%) was repealed by the One Big Beautiful Bill Act signed July 4, 2025. Per the IRS, the credit is not available for any property placed in service after December 31, 2025 - and the IRS counts the installation completion date, not the contract date.
Massachusetts rules that decide your payback
| Rule | Massachusetts status |
|---|---|
| Export compensation (net metering) | Full-value net metering: a residential solar facility of 25 kW or less is a 'nameplate cap exempt' Class I facility that earns standard net metering credits on 100% of net excess generation valued at the utility's per-kWh basic service, distribution, transmission and transition charges (about 27 cents/kWh in a published Eversource R-1 example), and credits never expire and roll over to the next billing period. |
| State incentive | SMART 3.0 (Solar Massachusetts Renewable Target, 225 CMR 28.00) - Program Year 2026 opened January 1, 2026 with 600 MW AC of capacity and pays systems 25 kW AC or smaller a flat $0.03/kWh ($0.06/kWh for Low-Income) for a 20-year term; plus the state Residential Energy Credit (Solar and Wind Energy Credit) worth 15% of net expenditure up to $1,000 against personal income tax |
| Sales tax on the system | Exempt |
| Property tax on added home value | Excluded |
Massachusetts caps how much net metering each utility may host, but residential systems of 25 kW or less are 'nameplate cap exempt' and can net meter even when the utility's cap is full - a meaningful advantage over larger systems; separately, solar above 25 kW gets only 'market' net metering credits worth 60% of net excess generation.
This guide is research, not advice: an independent summary of published prices and state rules. It is not an installer, lender or tax advisor - verify incentive eligibility with a licensed tax professional before relying on it.

What this means for Somerville roofs
Beware of any 2026 payback estimate that looks as good as the 2025 ones: with the federal credit gone, a third of the old subsidy math vanished. If a sales projection has not gotten noticeably worse since 2025, it is hiding something - usually an inflated utility-rate escalation assumption.
This guide is research, not advice: an independent summary of published prices and state rules. It is not an installer, lender or tax advisor - verify incentive eligibility with a licensed tax professional before relying on it.
Getting Somerville quotes
Before requesting quotes, have your last 12 months of electricity bills handy - system sizing should follow your real usage, not a salesperson's template. A bid sized far above your usage is a margin play, especially now that surplus export pays less in most states.
This guide is research, not advice: an independent summary of published prices and state rules. It is not an installer, lender or tax advisor - verify incentive eligibility with a licensed tax professional before relying on it.
Common questions
Is there still a federal solar tax credit in 2026?
No. The 30% Residential Clean Energy Credit was repealed effective for systems placed in service after December 31, 2025, per the IRS. Only systems finished by the end of 2025 qualified. State-level incentives are separate and some survive - check the state page in this guide.
Is my roof even suitable for solar?
Three things decide it: orientation (south-facing is best in the U.S., east-west workable), shade (trees or taller buildings across midday hours can sink the math), and roof age (if the shingles have under 10 years left, reroof first - removing and reinstalling panels later costs thousands). Any honest installer assesses all three before quoting a number.
What happens if my installer goes out of business?
Panel and inverter warranties come from the manufacturers and survive, but the workmanship warranty usually dies with the company. That is a real risk in the post-credit shakeout - prefer installers with years of local history, and get manufacturer-backed workmanship coverage where offered.
How do I check if a solar quote is fair?
Divide the total price by the system's wattage. The U.S. marketplace average is about $2.58 per watt installed; $2.30-3.00 covers most fair quotes depending on roof complexity. Above that, ask exactly what you are paying extra for - in writing.
Should I lease, get a PPA, or buy?
Buying keeps all savings and any incentives with you. Leases and PPAs put a company's equipment on your roof for 20-25 years, complicate a home sale, and in 2026 any tax benefits they advertise belong to the company under commercial rules - not to you. Read escalator clauses carefully.
Get solar quotes for Somerville
These platforms collect bids from licensed installers so you can compare against the same spec. Prices come from installers, not from this site.
Disclosure: this is an independent guide. If you request quotes through a link here, the platform may pay this site a referral fee. That fee never changes your quotes.
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