Financing Comparison
TPO vs PPA vs Prepaid vs Cash — side-by-side analysis per project
2026 Market Shift: TPO Dominates
Section 25D expired Dec 2025. TPO now accounts for 69% of residential installs (up from 45% in 2025). TAG GRID No-FICO and Propel Prepaid options are the fastest-growing financing pathways.
Marcus JohnsonPRO-2026-0002
Austin, TX — 10.5 kW system — $34,200 contract
TPO — PPA selected
TPO — PPA
Power Purchase Agreement
- Monthly
- $125/mo
- Upfront
- $0
- 25-Year Cost
- $37,500
- Tax Credit
- $10,260
- Provider
- TAG GRID
- Credit Req
- No FICO required
FEOC compliant equipment required
TPO — Lease
Monthly lease payment
- Monthly
- $135/mo
- Upfront
- $0
- 25-Year Cost
- $49,200
- Tax Credit
- $10,260
- Provider
- Sunlight Financial
- Credit Req
- good
1.5% annual escalator
FEOC compliant equipment required
Prepaid
Upfront payment, TPO benefits
- Monthly
- —
- Upfront
- $23,940
- 25-Year Cost
- $23,940
- Tax Credit
- $10,260
- Provider
- Propel (SolSource)
- Credit Req
- none
FEOC compliant equipment required
Cash Purchase
Direct ownership
- Monthly
- —
- Upfront
- $34,200
- 25-Year Cost
- $34,200
- Tax Credit
- None
- Provider
- Direct purchase
- Credit Req
- none
Lisa ChenPRO-2026-0005
Santa Monica, CA — 11.8 kW system — $45,000 contract
Prepaid selected
TPO — PPA
Power Purchase Agreement
- Monthly
- $165/mo
- Upfront
- $0
- 25-Year Cost
- $49,500
- Tax Credit
- $13,500
- Provider
- TAG GRID
- Credit Req
- No FICO required
FEOC compliant equipment required
TPO — Lease
Monthly lease payment
- Monthly
- $178/mo
- Upfront
- $0
- 25-Year Cost
- $68,400
- Tax Credit
- $13,500
- Provider
- Mosaic
- Credit Req
- good
2% annual escalator
FEOC compliant equipment required
Prepaid
Upfront payment, TPO benefits
- Monthly
- —
- Upfront
- $31,500
- 25-Year Cost
- $31,500
- Tax Credit
- $13,500
- Provider
- Propel (SolSource)
- Credit Req
- none
FEOC compliant equipment required
Cash Purchase
Direct ownership
- Monthly
- —
- Upfront
- $45,000
- 25-Year Cost
- $45,000
- Tax Credit
- None
- Provider
- Direct purchase
- Credit Req
- none
James WilsonPRO-2026-0010
Tampa, FL — 8.8 kW system — $30,200 contract
TPO — Lease selected
TPO — PPA
Power Purchase Agreement
- Monthly
- $110/mo
- Upfront
- $0
- 25-Year Cost
- $33,000
- Tax Credit
- $9,060
- Provider
- TAG GRID
- Credit Req
- No FICO required
FEOC compliant equipment required
TPO — Lease
Monthly lease payment
- Monthly
- $118/mo
- Upfront
- $0
- 25-Year Cost
- $35,400
- Tax Credit
- $9,060
- Provider
- TAG GRID
- Credit Req
- No FICO required
FEOC compliant equipment required
Prepaid
Upfront payment, TPO benefits
- Monthly
- —
- Upfront
- $21,140
- 25-Year Cost
- $21,140
- Tax Credit
- $9,060
- Provider
- Propel (SolSource)
- Credit Req
- none
FEOC compliant equipment required
Cash Purchase
Direct ownership
- Monthly
- —
- Upfront
- $30,200
- 25-Year Cost
- $30,200
- Tax Credit
- None
- Provider
- Direct purchase
- Credit Req
- none