Tamil Nadu Electricity Bill Calculator
Calculate your monthly electricity bill for Tamil Nadu under TANGEDCO with official FY 2025-26 SERC tariff slabs, fixed charges, electricity duty, and free unit subsidies.
Calculate Your Bill (Tamil Nadu)
First 100 units free in Tamil Nadu
Your Bill Breakdown
Tamil Nadu - Domestic
| Slab Range | Units | Rate (₹) | Amount (₹) |
|---|---|---|---|
| 0–200 units | 200 | 0.00 | ₹0.00 |
| 201–400 units | 50 | 4.70 | ₹235.00 |
Estimates based on FY 2025-26 SERC tariff orders. Actual bills may include local surcharges.
Understanding Electricity Tariffs in Tamil Nadu
Electricity distribution in Tamil Nadu is regulated by the state regulatory commission under primary DISCOM operations of TANGEDCO. Domestic tariffs are structured into progressive consumption slabs to incentivize energy conservation while keeping baseline power accessible.
Bills in Tamil Nadu comprise energy charges calculated according to consumption slabs, fixed monthly charges based on sanctioned load (₹0/kW), regulatory electricity duties, and FPPCA fuel adjustment charges.
Initial slab starts at ₹0.00/unit. Peak consumption rate reaches ₹6.30/unit.
Tamil Nadu grants up to 100 free units for eligible domestic connections.
Tips to Lower Your Tamil Nadu Electricity Bill
- Monitor Slab Thresholds: Track your meter reading to avoid stepping into higher rate tiers towards the end of the billing cycle.
- Optimize Air Conditioner Usage: Set AC temperature at 24°C–26°C. In Tamil Nadu, running an AC 8 hrs daily adds ~100 units/month.
- Consider Rooftop Solar: TANGEDCO supports grid-connected net metering with government subsidies under PM Surya Ghar Muft Bijli Yojana.
Tamil Nadu Tariff Quick Specs
Switch to Rooftop Solar in Tamil Nadu
Calculate solar panel requirements, government subsidy, and monthly net metering savings.
Calculate Solar SavingsFrequently Asked Questions
Common questions about electricity tariffs, DISCOM charges, and subsidies in Tamil Nadu.
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