Solar Financing in Massachusetts
Lease vs. Buy vs. PPA — Complete financing guide for MA homeowners
Urgent tax credit deadlines
- Section 30D EV credit (up to $7,500) — expires June 30, 2026 (12 days left).
- Section 48E solar ITC safe harbor — construction must start by July 4, 2026 (16 days left).
Going solar in Massachusetts? With electricity rates averaging 29¢/kWh and good solar resources, choosing the right financing option can save you $64,400 or more over 25 years. This guide breaks down every option available to Massachusetts homeowners.
Avg Rate
29¢
per kWh
Solar Resource
Good
MA
Typical System
8kW
residential
Payback
~5.2 yrs
estimated
Solar Incentives & Tax Credits in Massachusetts
Massachusetts homeowners can take advantage of the following solar incentive programs:
Federal Solar Investment Tax Credit
30% federal tax credit via Section 48E for qualifying projects (leases, PPAs, commercial) that begin construction before July 4, 2026. The residential ownership credit (25D) expired December 31, 2025.
30% of system cost
Massachusetts Solar Tax Credit
Massachusetts offers a state personal income tax credit of 15% of net system cost, up to $1,000.
15% up to $1,000
SMART Program
The Solar Massachusetts Renewable Target (SMART) program provides declining-block incentive payments, equivalent to approximately $285/SREC.
~$1,995/year
Solar Property Tax Exemption
Solar and wind systems are exempt from property tax on the added value for 20 years (MGL Chapter 59, Section 5, Clause 45).
100% property tax exempt
Solar Sales Tax Exemption
Solar and wind equipment and installation are exempt from Massachusetts' 6.25% sales tax.
6.25% sales tax exempt
Net Metering in Massachusetts
Massachusetts mandates net metering at close to the full retail rate for systems up to 10 kW under DPU rules.
✓ Massachusetts offers a property tax exemption for solar installations, meaning your property taxes won't increase despite the added home value.
✓ Massachusetts exempts solar equipment from sales tax, saving you money at purchase.
Compare Financing Options in Massachusetts
See how cash purchase, solar loan, lease, and PPA compare based on Massachusetts's average rates:
Solar Financing Comparison for Massachusetts
Based on 29¢/kWh electricity rate and a 8kW system
Cash Purchase
Pay upfront — maximum long-term savings
- Upfront Cost
- $16,800
- Monthly Savings
- $271/mo
- Tax Credit Eligible
- Yes
Solar Loan
$0 down — own the system over time
- Down Payment
- $0
- Monthly Payment
- $164/mo
- Net Monthly
- $107/mo
- Tax Credit Eligible
- Yes
Solar Lease
$0 down — provider owns the system
- Down Payment
- $0
- Monthly Payment
- $104/mo
- Net Monthly
- $167/mo
- Tax Credit Eligible
- No
Power Purchase Agreement
$0 down — pay per kWh produced
- Down Payment
- $0
- Annual Savings
- $2,632/yr
- Tax Credit Eligible
- No
Estimates based on average Massachusetts (MA) rates and system costs. For a personalized comparison, use our full financing calculator.
Lease vs. Buy vs. PPA in Massachusetts
Buying (Cash or Loan)
Best for: Maximizing long-term savings and home value.
- You own the system and all electricity it generates
- Eligible for the 30% Federal Tax Credit (~$7,200 on a 8kW system)
- Property tax exempt in Massachusetts
- Increases home value by an average of 4.1%
- Highest 25-year savings: ~$64,400
- You handle maintenance (panels need little)
Solar Lease
Best for: Zero upfront cost with predictable payments.
- $0 or low upfront cost
- Fixed monthly payment (no surprise bills)
- Maintenance and repairs typically covered
- Not eligible for tax credits or incentives
- Lower 25-year savings (~$50,000)
- May complicate home sale (lease transfer)
Power Purchase Agreement (PPA)
Best for: Paying only for what you produce, $0 down.
- $0 upfront cost
- Pay a per-kWh rate (typically lower than utility)
- Provider owns and maintains the system
- Not eligible for tax credits
- Rate escalates 2-3% annually (read the contract)
- Lowest 25-year savings of the three options
Solar Financing FAQ — Massachusetts
Is solar worth it in Massachusetts?
Yes, solar is an exceptionally strong investment in Massachusetts. With among the highest electricity rates in the nation averaging 29¢/kWh and good solar resources, a typical 8kW system can offset most of your household electricity usage. The estimated payback period is 5-7 years, after which you enjoy more than a decade of largely free electricity. massachusetts mandates net metering at close to the full retail rate for systems up to 10 kw under dpu rules is the main policy factor to verify with your utility.
What solar incentives are available in Massachusetts?
Massachusetts residents can claim the 30% Federal Solar Investment Tax Credit (worth $7,200 on a typical 8kW system). The state also offers Massachusetts Solar Tax Credit, SMART Program, Solar Property Tax Exemption, Solar Sales Tax Exemption. Massachusetts offers a property tax exemption, so your property taxes won't rise despite the added home value; Massachusetts exempts solar equipment from sales tax, saving you money at purchase.
Should I lease, buy, or get a PPA in Massachusetts?
Buying your solar system (cash or loan) maximizes long-term savings and qualifies you for the 30% Federal Tax Credit. On a typical 8kW system in Massachusetts, that's about $7,200 back. Buying yields roughly $64,400 in net savings over 25 years. Leasing or a PPA requires $0 down and includes maintenance, but you won't get tax credits and your 25-year savings will be much lower (around $50,000). If you can afford the upfront cost or qualify for a low-rate loan, buying is the clear winner in Massachusetts.
How much does a solar system cost in Massachusetts?
A typical 8kW residential solar system in Massachusetts costs approximately $24,000 before incentives. After the 30% Federal Tax Credit (~$7,200), the net cost drops to about $16,800. Actual costs vary based on equipment quality, installer, roof complexity, and whether you add battery storage. Massachusetts offers a property tax exemption, so your property taxes won't rise despite the added home value; Massachusetts exempts solar equipment from sales tax, saving you money at purchase.
Does Massachusetts have net metering?
Massachusetts mandates net metering at close to the full retail rate for systems up to 10 kW under DPU rules.
What is the solar payback period in Massachusetts?
The typical solar payback period in Massachusetts is approximately 5-7 years. With a net system cost of about $16,800 after the federal tax credit and annual electricity savings of roughly $2,923-$3,573 (based on 29¢/kWh), most Massachusetts homeowners see full payback within 7 years and enjoy 18+ years of largely free electricity thereafter.
Related Solar Tools
Estimates are based on Massachusetts average rates, system costs, and the 30% Federal Solar Investment Tax Credit. Actual savings vary by installer, equipment, roof, and utility policy.