BESS ROI Calculator All fields are required. Power (kW) Backup / Discharge Time (h) Charging Time (h) Tariff Rate (₹/kWh) Calculate Calculated Energy: kWh Battery Capacity Required: kWh PCS Capacity (Discharge): kW PCS Capacity (Charging): kW Final PCS Capacity: kW Battery Cost Approx: ₹ PCS Cost Approx: ₹ Total System Cost: ₹ Estimated Annual Savings: ₹ ROI: Years For more detailed calculations, Get in Touch