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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteThe honest 2026 answer — with real numbers, state-specific math, and the scenarios where solar does not make sense.
Quick Answer
Yes — solar panels are worth it in Massachusetts in 2026, even without the federal tax credit. MA has among the highest electricity rates in the US ($0.28–$0.32/kWh), a unique SMART 3.0 program that pays $0.03/kWh for 20 years, and full 1:1 net metering. An 8 kW cash-purchased system typically pays back in 8–9 years and generates $55,000–$75,000 in 25-year savings. For homeowners who prefer $0 down, lease/PPA options under Section 48 still deliver immediate monthly savings.
The federal Section 25D residential solar tax credit expired on December 31, 2025. Cash buyers and solar loan customers no longer receive a 26–30% tax credit to offset costs. That is a real change — it added roughly 2–3 years to payback timelines for cash purchasers.
But here is what has not changed: Massachusetts electricity is still among the most expensive in the US. When your utility charges $0.28–$0.32/kWh, every kWh your solar panels produce is worth nearly twice as much as in a low-rate state like Georgia or Texas. The fundamental economics of solar in MA remain strong.
Additionally, the federal government still allows commercial entities (leasing companies, PPAs) to claim the 30% Investment Tax Credit under Section 48. This means that for many homeowners, a lease or PPA with $0 down and immediate savings is now the most attractive option — the ITC flows to the leasing company, which prices the system lower as a result.
Based on a south-facing roof, 8 kW system size, and typical MA production estimates (1,200 kWh/kW/year).
| Revenue Source | Annual | Notes |
|---|---|---|
| Net Metering Savings (Eversource) | $2,720 | 9,600 kWh × $0.2836/kWh |
| SMART 3.0 Income | $288 | 9,600 kWh × $0.03/kWh |
| Property Tax Savings | $584 | 20-year exemption on added value |
| Total Year 1 (Eversource) | $3,592 | |
| Net Metering Savings (National Grid) | $3,072 | 9,600 kWh × $0.32/kWh |
| Total Year 1 (National Grid) | $3,944 |
| Utility | Rate | Annual Savings | Payback (No Battery) | Payback (With Battery) |
|---|---|---|---|---|
| Eversource | $0.2836/kWh | $2,720/yr | ~8.5 yrs | ~6.2 yrs |
| National Grid | $0.3200/kWh | $3,072/yr | ~7.5 yrs | ~5.8 yrs |
| Unitil | $0.2833/kWh | $2,720/yr | ~8.5 yrs | ~8.5 yrs |
Assumes 3% annual rate escalation, SMART 3.0 for 20 years, ConnectedSolutions battery for full term.
With the ITC dead for homeowner purchases, the calculus on financing has shifted. Here is how each option compares:
Note on Lease/PPA: When you lease or sign a PPA, the leasing company owns the system and claims the 30% Section 48 commercial ITC. They pass part of this savings to you through lower monthly payments. You give up SMART income but avoid upfront cost and maintenance responsibility. Read the contract terms carefully — especially escalator rates and buyout options.
Enter your details for a personalized payback estimate based on your utility, system size, and financing preference.
Estimate your solar return on investment with SMART income, net metering credits, ConnectedSolutions, and MA tax benefits.
Federal Residential Solar Tax Credit (Section 25D) Expired
Homeowners who purchase solar with cash or a loan receive $0 in federal tax credits. Section 25D expired December 31, 2025.
Eastern MA (Boston, South Shore, Cape Cod, MetroWest, Western MA)
Electric Rate
$0.28/kWh
Net Metering
1:1 retail credit (Class I ≤25 kW)
SMART 3.0 Rate
$0.03/kWh
Interconnection
2-4 weeks typical
20-year exemption — solar adds $0 to your property tax
Payback Period
7
years
25-Year Savings
$114,687
total
Monthly Benefit
$378
per month
Estimates based on average 2026 MA solar pricing, SMART 3.0 $0.03/kWh residential flat rate, 1:1 retail net metering, 6.25% sales tax exemption, 20-year property tax exemption, and 15% state tax credit (max $1,000). Section 25D residential ITC expired Dec 31, 2025 — $0 federal tax credit for cash/loan purchases.
$0 down. Fixed payments. Own your system by year 5. No dealer fees. No prepayment penalty.
Yes. Massachusetts has some of the best economics for solar without the federal ITC. Electricity rates of $0.28–$0.32/kWh, the SMART 3.0 program paying $0.03/kWh for 20 years, and full 1:1 net metering combine to deliver an 8–9 year payback on a cash purchase. Lease/PPA options through Section 48 still pass the 30% commercial ITC to the system owner, giving homeowners immediate savings with $0 down.
A typical 8 kW cash-purchased system in Massachusetts pays back in 8–9 years in 2026 without the federal ITC. With a battery enrolled in ConnectedSolutions (earning $225–$275/kW/year), payback drops to 6–7 years. Solar loans extend payback to 11–13 years but require $0 upfront. Lease/PPA arrangements deliver savings from month one with no out-of-pocket cost.
Yes. Zillow research shows solar adds approximately 4.1% to home value nationally — about $16,000 on a $390,000 home. Massachusetts also has a 20-year property tax exemption on the added value, so you get the appreciation without higher property taxes. Homes with solar typically sell faster than comparable non-solar homes.
SMART (Solar Massachusetts Renewable Target) 3.0 is the state's solar incentive program that pays $0.03/kWh for every kWh your panels produce for 20 years. On an 8 kW system producing 9,600 kWh/year, that is $288/year or $5,760 over the program term. It is paid monthly by your utility on top of your regular net metering credits.
National Grid customers ($0.32/kWh) typically see faster payback than Eversource ($0.2836/kWh) because higher rates mean larger electricity savings. An 8 kW system saves a National Grid customer roughly $3,072/year vs $2,720/year for Eversource, cutting payback from ~8.5 years to ~7.5 years. Unitil ($0.2833/kWh) is similar to Eversource.
Solar may not be worth it if your roof needs replacement within 10 years (you would pay to remove/reinstall panels), if your roof faces north with significant shading (reducing output by 30–50%), if you are served by a municipal light plant with low fixed rates below $0.20/kWh, or if you plan to move within 3 years. A free site assessment will clarify your specific situation.
NuWatt will analyze your roof, utility bill, and shading — then give you an honest projection. No pressure, no gimmicks.