⚙️ Your System Details
Used to estimate your system size
Current avg ~$0.40 — projected +3%/yr
Historical avg ~3% annually
Hawaii avg from permit data
Pulls real permit data defaults
Select financing models to compare (pick 2–4)
💵 Cash Purchase
Federal 30% ITC (equipment purchase)
35% state credit, capped at $5k/5kW block
🏦 Solar Loan (Secured)
Secured/home equity — lower rate
📈 PPA with Escalator
Hawaii PPAs typically $0.18–$0.22
Industry std 2.9% — key risk driver
📊 PPA Fixed Rate
Higher than escalating start, no rate risk
🏠 Prepaid Lease
Full 25-yr payment made upfront
💳 Solar Loan (Unsecured)
Personal/unsecured — higher rate
🌱 Community Solar
Hawaii programs offer 10–20% discount
🔋 Battery-Only (Nano-Grid)
Full system installed cost
Estimated monthly bill reduction from TOU peak-shaving
30% federal credit if battery ≥3kWh and AC-coupled
25-Year Cumulative Cost Comparison
Side-by-Side Summary
| Option | Upfront Cost | Monthly — Year 1 | Monthly — Year 10 | Monthly — Year 25 | 25-Year Total | Owns Equipment? | Tax Credit? | Blackout Protection? |
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📊 My Saved Energy Profile
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