ChargeWise India - EV & Solar Decision Platform
Calculate EV charging cost, rooftop solar size, PM Surya Ghar subsidy, route plans, charger reliability, and energy savings. 35+ free tools for Indian consumers.
Solar Calculators
- Solar Size Calculator - Calculate right kW for your home
- PM Surya Ghar Subsidy Calculator - Up to Rs 78,000
- Solar Savings Calculator - Monthly bill reduction
- Payback Calculator - Years to recover investment
- Net Metering Calculator - Grid export credits
EV Calculators
- EV Home Charging Cost Calculator
- EV vs Petrol Running Cost Comparison
- Public Charging Cost Calculator
- EV Route Planner for India
Quick Facts (India 2026)
- PM Surya Ghar subsidy: Rs 30,000/kW (first 2 kW), Rs 18,000/kW (2-3 kW). Max Rs 78,000.
- Solar cost 2026: Rs 40,000-55,000 per kW (Rs 40-55 per watt) all-in for ALMM-compliant residential rooftop systems
- From 1 June 2026, net metering and open access projects need ALMM List-I modules and ALMM List-II cells
- Net metering is allowed up to 500 kW or sanctioned load, whichever is lower
- India had 52,718 public EV charging stations including 16,561 car fast chargers as of July 2026
- India EV penetration rose to 8.26% in FY2025-26 from 0.71% in FY2019-20 (VAHAN data)
- Typical solar payback: 4-6 years with subsidy
- 1 kW solar generates 4-5 units/day in most Indian locations
- Space needed: 80-100 sq ft per kW
India 2026 Policy and Data Guides
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