Enter your average monthly units and tariff category. We'll estimate system size, annual saving, and payback period based on real Maharashtra tariff data. For an exact number, a free energy audit uses your actual bills instead of an estimate.
ROI is driven by your current effective ₹/unit cost (including MD charges and surcharges, not just the headline tariff), your system's generation output, and your upfront cost after any applicable tax benefits. This calculator gives a working estimate; the free energy audit gives an exact number from your bills.
Roughly 250–300 standard panels, depending on panel wattage and site conditions, but the right number depends on your actual load profile, not just peak demand. We size this precisely as part of the energy audit.