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Solar Loan vs Cash vs Lease — Florida 2026 Financing Math

Updated for 2026 · Solar Installation · verified Florida pricing + warranty details

The 30-Second Verdict

Florida's 2024 net metering changes reshaped the math. <strong>Cash purchase</strong> is still king if you have $18k–$28k available — 7–11 year payback, 25-year warranty, $0 ongoing payments, FULL 30% federal tax credit. <strong>Solar loan</strong> (15–25 year terms) gives you ownership + tax credit at the cost of interest — payback stretches to 11–15 years but day-one cash flow is positive in most FL utilities. <strong>Lease/PPA</strong> is now the worst choice in Florida — you don't get the tax credit, you're locked in for 20–25 years, AND leases now actively hurt home resale because new owners must qualify for the lease transfer. Avoid lease/PPA in 2026.

Head-to-Head Breakdown

Solar Loan / Cash

Pros

  • Largest lifetime savings: $25k–$55k over 25 years
  • Eligible for 30% federal tax credit ($4,500–$8,400 back)
  • $0 monthly payments — full bill credit benefit
  • Strongest resale value add (+$10k–$15k home value)
  • No interest or finance charges

Cons

  • Highest upfront cash requirement: $15,000–$28,000
  • Tax credit can only be used against tax owed
  • Roof age concerns if roof is 8+ years old (re-roof first)
  • Repair/maintenance is owner responsibility
Solar Lease / PPA

Pros

  • Loan: $0 down, immediate savings on electric bills
  • Loan: Keeps tax credit AND ownership benefits
  • Loan: Most FL solar loans 6.99–9.99% APR (better than HELOC for some)
  • PPA: Zero responsibility — install/maintain/insurance covered
  • PPA: Easy yes/no decision if cash and credit are limited

Cons

  • Loan: 11–15 year payback (interest eats some savings)
  • Loan: Loan must be paid even if system underperforms
  • PPA: NO 30% federal tax credit (PPA owner gets it)
  • PPA: 20–25 year contract — locked in, no flexibility
  • PPA: Reduces home resale value 5–10%; new buyer must qualify
  • PPA: Year-on-year price escalators (typically 2.9% per year)

Side-by-Side Comparison

Solar Loan / CashSolar Lease / PPA
Upfront Cost$15k–$28k (cash) / $0 (loan)$0
30% Federal Tax CreditYes (full)No (lessor keeps it)
Payback TimelineCash 7–11 yr; Loan 11–15 yrNever — pure cash flow product
25-Year Savings (typical FL 8 kW system)$30k–$55k (cash); $18k–$32k (loan)$2k–$8k
Home Resale Impact+$10k–$15k−5–10% of home value
Maintenance ResponsibilityOwnerLessor
Contract LengthOwned outright20–25 years
Best forHave cash + tax liability + own home 10+ yrsAlmost no one in Florida 2026

Frequently Asked Questions

Does the 30% federal tax credit apply to loans?
Yes — for solar loans, YOU still own the system, so you get the full 30% federal tax credit (called the Residential Clean Energy Credit). PPA/lease deals: the financing company owns the system, so THEY get the credit, not you. This single difference makes loans roughly $5,000–$8,000 better than leases for most FL homeowners.
What about Florida net metering changes?
In 2024, FL net metering shifted from full retail credit to a phased reduction over time. Solar systems installed before 2024 are grandfathered. New 2026 installs get credit at the utility's avoided-cost rate (~30–50% of retail). This stretches payback by 1–3 years but doesn't change the cash-vs-loan-vs-lease ranking — lease is still last.
Are FL solar loans actually a good deal?
Depends on your tax situation. If you have enough tax liability to use the full 30% credit and your loan is 7–8% APR, the math works — you'll save $15k–$30k over 25 years vs no solar. If your APR is above 9.99% or your tax liability is low, cash or 'wait and save' is usually better.
Should I refinance my existing solar lease?
Often yes — many FL solar leases include a 'buyout' clause that lets you purchase the system at fair market value (typically 5–8 years in). After buyout, you own it outright and start capturing all bill credits. Run the math against remaining lease cost vs buyout + savings — usually favorable if 10+ years remain on the lease.

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