Solar Financing in Connecticut
Lease vs. Buy vs. PPA — Complete financing guide for CT 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 Connecticut? With electricity rates averaging 32¢/kWh and good solar resources, choosing the right financing option can save you $72,800 or more over 25 years. This guide breaks down every option available to Connecticut homeowners.
Avg Rate
32¢
per kWh
Solar Resource
Good
CT
Typical System
8kW
residential
Payback
~4.7 yrs
estimated
Solar Incentives & Tax Credits in Connecticut
Connecticut 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
Energize Connecticut RSIP
The Residential Solar Investment Program provides upfront incentives of approximately $0.25/W for standard residential installations.
Up to ~$1,750
Property Tax Exemption
Solar and renewable energy systems are exempt from local property tax (CT Gen. Stat. 12-81 58).
100% property tax exemption
Sales Tax Exemption
Solar energy systems are exempt from Connecticut's 6.35% sales tax.
6.35% sales tax exempt
Net Metering in Connecticut
Connecticut offers full retail net metering for residential systems up to 20 kW under PURA rules.
✓ Connecticut offers a property tax exemption for solar installations, meaning your property taxes won't increase despite the added home value.
✓ Connecticut exempts solar equipment from sales tax, saving you money at purchase.
Compare Financing Options in Connecticut
See how cash purchase, solar loan, lease, and PPA compare based on Connecticut's average rates:
Solar Financing Comparison for Connecticut
Based on 32¢/kWh electricity rate and a 8kW system
Cash Purchase
Pay upfront — maximum long-term savings
- Upfront Cost
- $16,800
- Monthly Savings
- $299/mo
- Tax Credit Eligible
- Yes
Solar Loan
$0 down — own the system over time
- Down Payment
- $0
- Monthly Payment
- $164/mo
- Net Monthly
- $135/mo
- Tax Credit Eligible
- Yes
Solar Lease
$0 down — provider owns the system
- Down Payment
- $0
- Monthly Payment
- $104/mo
- Net Monthly
- $195/mo
- Tax Credit Eligible
- No
Power Purchase Agreement
$0 down — pay per kWh produced
- Down Payment
- $0
- Annual Savings
- $2,968/yr
- Tax Credit Eligible
- No
Estimates based on average Connecticut (CT) rates and system costs. For a personalized comparison, use our full financing calculator.
Lease vs. Buy vs. PPA in Connecticut
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 Connecticut
- Increases home value by an average of 4.1%
- Highest 25-year savings: ~$72,800
- 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 (~$58,400)
- 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 — Connecticut
Is solar worth it in Connecticut?
Yes, solar is an exceptionally strong investment in Connecticut. With among the highest electricity rates in the nation averaging 32¢/kWh and good solar resources, a typical 8kW system can offset most of your household electricity usage. The estimated payback period is 4-6 years, after which you enjoy more than a decade of largely free electricity. connecticut offers full retail net metering for residential systems up to 20 kw under pura rules is the main policy factor to verify with your utility.
What solar incentives are available in Connecticut?
Connecticut residents can claim the 30% Federal Solar Investment Tax Credit (worth $7,200 on a typical 8kW system). The state also offers Energize Connecticut RSIP, Property Tax Exemption, Sales Tax Exemption. Connecticut offers a property tax exemption, so your property taxes won't rise despite the added home value; Connecticut exempts solar equipment from sales tax, saving you money at purchase.
Should I lease, buy, or get a PPA in Connecticut?
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 Connecticut, that's about $7,200 back. Buying yields roughly $72,800 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 $58,400). If you can afford the upfront cost or qualify for a low-rate loan, buying is the clear winner in Connecticut.
How much does a solar system cost in Connecticut?
A typical 8kW residential solar system in Connecticut 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. Connecticut offers a property tax exemption, so your property taxes won't rise despite the added home value; Connecticut exempts solar equipment from sales tax, saving you money at purchase.
Does Connecticut have net metering?
Connecticut offers full retail net metering for residential systems up to 20 kW under PURA rules.
What is the solar payback period in Connecticut?
The typical solar payback period in Connecticut is approximately 4-6 years. With a net system cost of about $16,800 after the federal tax credit and annual electricity savings of roughly $3,226-$3,942 (based on 32¢/kWh), most Connecticut homeowners see full payback within 6 years and enjoy 19+ years of largely free electricity thereafter.
Related Solar Tools
Estimates are based on Connecticut average rates, system costs, and the 30% Federal Solar Investment Tax Credit. Actual savings vary by installer, equipment, roof, and utility policy.