BUDGETPRO SolarPro ROI Estimator
System Parameters
Define the array
SHEET 00 / 03
Cash Purchase
Phase 01 β€” Setup
Gross & Net Cost
Panel and installation rates pull from local market data and scale with roof-type complexity. Incentives reduce the net cost you finance or pay upfront.
SHEET 01 / 03
Net Cost (after incentives) β€”
Phase 02 β€” Handover
Battery, Inverter & Accessories
Optional add-ons layered onto the upfront investment.
SHEET 02 / 03
Battery Storage
β€”
Inverter
β€”
Charge Controller
β€”
Mounting & Wiring Hardware
β€”
Smart Monitoring System
β€”
Total Upfront Investment β€”
Phase 03 β€” Burn & Savings
Monthly Cash Flow & 25-Year ROI
Production degrades 0.5%/yr. An inverter replacement lands in Year 12. Figures below assume today's electricity tariff held flat except for panel degradation.
SHEET 03 / 03
Off
Net Monthly Cash Flow β€”
Payback Period
β€”
Net Cost Γ· Annual Savings
25-Year Gross Savings
β€”
before inverter replacement
25-Year Net ROI
β€”
net savings vs. net cost
Cumulative Net Savings β€” 25 Year Projection
Grand Summary
Total upfront investment
Total Net Investment (Phase 1 + Phase 2)
β€”
Panels + Installation + Battery + Monitoring βˆ’ Incentives
All rates and prices are editable local-market placeholders, not live quotes β€” verify with an installer before budgeting.
Your custom rates are saved to this browser automatically and reload with the page.

A product of AI Brains Ventures β€” www.aibrainsventures.is-great.net