VINSOLAR Calc Pro

Vinayak solutions

About this app

VINSOLAR Calc Pro is a professional solar project calculator built for installers, EPC engineers, and business owners across India.

Calculate your solar system in minutes:
- Residential rooftop — PM Surya Ghar subsidy, EMI with Phase 1/Phase 2 loan flow, net metering savings
- Commercial — shops, schools, hotels, housing societies (₹18,000/kW subsidy for RWAs)
- Industrial — captive factory solar, demand charge saving, Gujarat Aatmanirbhar interest subsidy for Udyam MSMEs
- Solar Plant / IPP — PPA revenue, open access charges, accelerated depreciation

Features:
- Auto-recommended system size from monthly units or direct kW input
- 25-year cumulative cashflow with EMI deduction
- Gujarat Gross Metering vs Net Metering comparison
- 541 SURYA Gujarat empanelled vendor contacts (call + email quote)
- Detailed Project Report with section-specific procedure steps
- Professional PDF report — shareable with clients
- Google Sign-In to unlock the detailed report

Built by M/S Vinayak Electrical Solutions, Dahod, Gujarat.

What’s new

- Fixed phone dialer and email not opening on some devices
- Added GPS-based nearby installer search
- Results now open full-screen after calculating
- New Project Balance Sheet with month-by-month loan tracking
- Improved payback period accuracy
- New in-app help menu: About, How to Use, Solar Do's & Don'ts, Installation Guide
- Various bug fixes and improvements