Solar Financing in Rhode Island
Lease vs. Buy vs. PPA — Complete financing guide for RI 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 Rhode Island? With electricity rates averaging 28¢/kWh and good solar resources, choosing the right financing option can save you $53,900 or more over 25 years. This guide breaks down every option available to Rhode Island homeowners.
Avg Rate
28¢
per kWh
Solar Resource
Good
RI
Typical System
7kW
residential
Payback
~5.4 yrs
estimated
Solar Incentives & Tax Credits in Rhode Island
Rhode Island 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
Renewable Energy Growth (REG) Program
Rhode Island's REG program provides performance-based ceiling-price incentives via National Grid/Rhode Island Energy.
Performance-based
Solar Property Tax Exemption
Solar energy systems are exempt from property tax on the added value (RI Gen. Laws 44-3-25).
100% property tax exempt
Solar Sales Tax Exemption
Solar energy systems are exempt from Rhode Island's 7% sales tax.
7% sales tax exempt
Net Metering in Rhode Island
Rhode Island offers full retail net metering for systems up to 10 MW under PUC rules.
✓ Rhode Island offers a property tax exemption for solar installations, meaning your property taxes won't increase despite the added home value.
✓ Rhode Island exempts solar equipment from sales tax, saving you money at purchase.
Compare Financing Options in Rhode Island
See how cash purchase, solar loan, lease, and PPA compare based on Rhode Island's average rates:
Solar Financing Comparison for Rhode Island
Based on 28¢/kWh electricity rate and a 7kW system
Cash Purchase
Pay upfront — maximum long-term savings
- Upfront Cost
- $14,700
- Monthly Savings
- $229/mo
- Tax Credit Eligible
- Yes
Solar Loan
$0 down — own the system over time
- Down Payment
- $0
- Monthly Payment
- $144/mo
- Net Monthly
- $85/mo
- Tax Credit Eligible
- Yes
Solar Lease
$0 down — provider owns the system
- Down Payment
- $0
- Monthly Payment
- $91/mo
- Net Monthly
- $138/mo
- Tax Credit Eligible
- No
Power Purchase Agreement
$0 down — pay per kWh produced
- Down Payment
- $0
- Annual Savings
- $2,205/yr
- Tax Credit Eligible
- No
Estimates based on average Rhode Island (RI) rates and system costs. For a personalized comparison, use our full financing calculator.
Lease vs. Buy vs. PPA in Rhode Island
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 (~$6,300 on a 7kW system)
- Property tax exempt in Rhode Island
- Increases home value by an average of 4.1%
- Highest 25-year savings: ~$53,900
- 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 (~$41,300)
- 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 — Rhode Island
Is solar worth it in Rhode Island?
Yes, solar is an exceptionally strong investment in Rhode Island. With among the highest electricity rates in the nation averaging 28¢/kWh and good solar resources, a typical 7kW 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. rhode island offers full retail net metering for systems up to 10 mw under puc rules is the main policy factor to verify with your utility.
What solar incentives are available in Rhode Island?
Rhode Island residents can claim the 30% Federal Solar Investment Tax Credit (worth $6,300 on a typical 7kW system). The state also offers Renewable Energy Growth (REG) Program, Solar Property Tax Exemption, Solar Sales Tax Exemption. Rhode Island offers a property tax exemption, so your property taxes won't rise despite the added home value; Rhode Island exempts solar equipment from sales tax, saving you money at purchase.
Should I lease, buy, or get a PPA in Rhode Island?
Buying your solar system (cash or loan) maximizes long-term savings and qualifies you for the 30% Federal Tax Credit. On a typical 7kW system in Rhode Island, that's about $6,300 back. Buying yields roughly $53,900 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 $41,300). If you can afford the upfront cost or qualify for a low-rate loan, buying is the clear winner in Rhode Island.
How much does a solar system cost in Rhode Island?
A typical 7kW residential solar system in Rhode Island costs approximately $21,000 before incentives. After the 30% Federal Tax Credit (~$6,300), the net cost drops to about $14,700. Actual costs vary based on equipment quality, installer, roof complexity, and whether you add battery storage. Rhode Island offers a property tax exemption, so your property taxes won't rise despite the added home value; Rhode Island exempts solar equipment from sales tax, saving you money at purchase.
Does Rhode Island have net metering?
Rhode Island offers full retail net metering for systems up to 10 MW under PUC rules.
What is the solar payback period in Rhode Island?
The typical solar payback period in Rhode Island is approximately 5-7 years. With a net system cost of about $14,700 after the federal tax credit and annual electricity savings of roughly $2,470-$3,018 (based on 28¢/kWh), most Rhode Island homeowners see full payback within 7 years and enjoy 18+ years of largely free electricity thereafter.
Related Solar Tools
Estimates are based on Rhode Island average rates, system costs, and the 30% Federal Solar Investment Tax Credit. Actual savings vary by installer, equipment, roof, and utility policy.