Solar Financing in Indiana
Lease vs. Buy vs. PPA — Complete financing guide for IN 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 Indiana? With electricity rates averaging 15.5¢/kWh and good solar resources, choosing the right financing option can save you $26,600 or more over 25 years. This guide breaks down every option available to Indiana homeowners.
Avg Rate
15.5¢
per kWh
Solar Resource
Good
IN
Typical System
8kW
residential
Payback
~9.7 yrs
estimated
Solar Incentives & Tax Credits in Indiana
Indiana 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
Solar Property Tax Deduction
Solar systems are exempt from property tax on the added value (IC 6-1.1-6-3.3).
100% property tax exempt
Indiana Office of Energy Development Grants
Periodic grant programs for residential and community renewable energy projects administered by the OED.
Varies
Net Metering in Indiana
Indiana transitioned to an excess distributed generation (EDG) billing structure. Export credits are set at an avoided-cost rate, approximately 3-5 cents per kWh.
✓ Indiana offers a property tax exemption for solar installations, meaning your property taxes won't increase despite the added home value.
Compare Financing Options in Indiana
See how cash purchase, solar loan, lease, and PPA compare based on Indiana's average rates:
Solar Financing Comparison for Indiana
Based on 15.5¢/kWh electricity rate and a 8kW system
Cash Purchase
Pay upfront — maximum long-term savings
- Upfront Cost
- $16,800
- Monthly Savings
- $145/mo
- Tax Credit Eligible
- Yes
Solar Loan
$0 down — own the system over time
- Down Payment
- $0
- Monthly Payment
- $164/mo
- Net Monthly
- $-19/mo
- Tax Credit Eligible
- Yes
Solar Lease
$0 down — provider owns the system
- Down Payment
- $0
- Monthly Payment
- $104/mo
- Net Monthly
- $41/mo
- Tax Credit Eligible
- No
Power Purchase Agreement
$0 down — pay per kWh produced
- Down Payment
- $0
- Annual Savings
- $1,120/yr
- Tax Credit Eligible
- No
Estimates based on average Indiana (IN) rates and system costs. For a personalized comparison, use our full financing calculator.
Lease vs. Buy vs. PPA in Indiana
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 Indiana
- Increases home value by an average of 4.1%
- Highest 25-year savings: ~$26,600
- 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 (~$12,200)
- 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 — Indiana
Is solar worth it in Indiana?
Yes, solar is a worthwhile investment in Indiana. With moderate electricity rates averaging 15.5¢/kWh and good solar resources, a typical 8kW system can offset most of your household electricity usage. The estimated payback period is 9-11 years, after which you enjoy more than a decade of largely free electricity. indiana transitioned to an excess distributed generation (edg) billing structure is the main policy factor to verify with your utility.
What solar incentives are available in Indiana?
Indiana residents can claim the 30% Federal Solar Investment Tax Credit (worth $7,200 on a typical 8kW system). The state also offers Solar Property Tax Deduction, Indiana Office of Energy Development Grants. Indiana offers a property tax exemption, so your property taxes won't rise despite the added home value.
Should I lease, buy, or get a PPA in Indiana?
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 Indiana, that's about $7,200 back. Buying yields roughly $26,600 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 $12,200). If you can afford the upfront cost or qualify for a low-rate loan, buying is the clear winner in Indiana.
How much does a solar system cost in Indiana?
A typical 8kW residential solar system in Indiana 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. Indiana offers a property tax exemption, so your property taxes won't rise despite the added home value.
Does Indiana have net metering?
Indiana transitioned to an excess distributed generation (EDG) billing structure. Export credits are set at an avoided-cost rate, approximately 3-5 cents per kWh.
What is the solar payback period in Indiana?
The typical solar payback period in Indiana is approximately 9-11 years. With a net system cost of about $16,800 after the federal tax credit and annual electricity savings of roughly $1,562-$1,910 (based on 15.5¢/kWh), most Indiana homeowners see full payback within 11 years and enjoy 14+ years of largely free electricity thereafter.
Related Solar Tools
Estimates are based on Indiana average rates, system costs, and the 30% Federal Solar Investment Tax Credit. Actual savings vary by installer, equipment, roof, and utility policy.