Free Calculator · 2026 Electricity is one of the biggest operating costs for factories in Tamil Nadu. Whether you’re on TANGEDCO’s LT-3, HT-1, or HT-2 tariff slab, this free solar savings calculator shows you exactly how much your factory can save by switching to solar — under
Compare rooftop solar and small wind turbine ROI side-by-side. Enter your TANGEDCO bill, system size, and cost — get instant payback period, net savings, and 10-year cumulative trend for your Chennai property. ⏱️ How to use (1–2 mins) Monthly electricity bill (₹) ₹ Avg rate (₹/kWh) optional
Introduction: The Private Sector Engine Powering India’s Clean Energy Revolution India’s 500 GW renewable energy target by 2030 is one of the most ambitious energy commitments made by any country in history. As of March 31, 2026, India has already installed 274.68 GW of renewable energy capacity
Introduction: The System Behind Your Electricity Bill Every month, an electricity bill arrives at your factory, your warehouse, or your office. You pay it — possibly grimacing at the number — and move on. But very few industrial energy buyers in India have ever paused to ask