Calculate rooftop solar system size, annual generation, monthly savings, payback period, PM Surya Ghar subsidy, and 25-year lifetime ROI using state-wise solar irradiation data.
Quick estimation of recommended rooftop solar system size, project cost, annual savings, and payback period.
Based on your electricity usage, a rooftop solar system is recommended.
Expected payback and return on investment under current tariffs.
Long-term cumulative savings projection over 25 years.
Connected load & roof area feasibility assessment.
In-depth engineering and financial model featuring customizable tariffs, panel wattage, shading loss, tariff escalation, and PM Surya Ghar subsidy rules.
Based on your electricity usage, a rooftop solar system is recommended.
Expected payback and return on investment under current tariffs.
Long-term cumulative savings projection over 25 years.
Connected load & roof area feasibility assessment.
Disclaimer: The calculations provided by this Solar Calculator are indicative estimates based on user inputs, standard engineering assumptions, and average regional solar irradiation data. Actual system performance, project cost, savings, ROI, payback period, subsidy eligibility, and energy generation may vary depending on site conditions, roof orientation, shading, equipment specifications, local electricity tariffs, weather patterns, installation quality, financing terms, and applicable government policies. A detailed technical feasibility assessment is recommended before making investment decisions.