Professional Solar System Sizing & Financial Calculator
NEC 690, IEEE 1562, and PEC 2017 Compliant • Instant ROI Analysis • Professional Reports
Powerful Features
Three System Modes
Battery Off-Grid, Grid-Tied Net Metering, and Grid-Tied with Backup. Choose the perfect configuration for your project.
Instant Sizing Calculations
PV array, inverter, battery bank, and BOS components sized according to NEC 690 and IEEE 1562 standards.
Financial Analysis
Total project cost, annual savings, payback period, ROI, and bank financing options in seconds.
Professional Reports
Generate clean PDF reports with system summary, cost breakdown, and financial analysis charts.
Wire & Breaker Sizing
Automatic calculation of wire sizes and breaker ratings for all DC/AC circuits per NEC standards.
Standards Compliant
Built-in compliance with NEC 690, IEEE 1562, and PEC 2017 for Philippine installations.
How It Works
📱
Interactive calculator interface with real-time calculations
Simple 6-Step Process
- Step 1: Enter project location and electricity rate
- Step 2: Define daytime and nighttime energy loads
- Step 3: Select system mode (Off-Grid, Grid-Tied, or Hybrid)
- Step 4: Automatic PV array sizing
- Step 5: Inverter and battery bank configuration
- Step 6: Generate professional PDF report with ROI analysis
Simple, Transparent Pricing
Free Tier
Forever Free
- 5 projects maximum
- Basic PDF reports
- Watermarked exports
- Online access only
- Standard support
Professional
One-time purchase
- ✓ Unlimited projects
- ✓ Clean PDF reports
- ✓ CSV export
- ✓ Quotation conversion
- ✓ Offline download
Business
One-time purchase
- ✓ All Professional features
- ✓ Custom logo upload
- ✓ Branded reports
- ✓ 1-year support
- ✓ Priority updates
| Feature | Free | Professional | Business |
|---|---|---|---|
| Projects | 5 | Unlimited | Unlimited |
| PDF Export | Watermarked | Clean | Branded |
| CSV Export | — | Yes | Yes |
| Quotation Conversion | — | Yes | Yes |
| Offline Download | — | Yes | Yes |
| Custom Logo | — | — | Yes |
| Priority Support | — | — | 1 Year |
Try Free Tier Today
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