Tamil Nadu Electricity Bill Calculator
Calculate TNEB electricity bill. Tamil Nadu offers 100 FREE units per month for domestic consumers!
TNEB Electricity Tariff Rates 2026
Domestic - With Free Units Scheme
| Units | Rate (₹/unit) |
|---|---|
| 0 - 100 | FREE |
| 101 - 200 | ₹2.25 |
| 201 - 400 | ₹4.50 |
| Above 400 | ₹6.00 |
Fixed Charges: ₹20 for single phase, ₹40 for three phase
Commercial Tariff
| Load | Rate (₹/unit) |
|---|---|
| Up to 20 kW | ₹5.50 |
| 20-100 kW | ₹6.75 |
| Above 100 kW | ₹7.75 |
TANGEDCO Regions
Chennai Region
Chennai, Kanchipuram, Tiruvallur, Vellore
Coimbatore Region
Coimbatore, Erode, Tiruppur, Nilgiris
Trichy Region
Trichy, Thanjavur, Nagapattinam, Karur
Madurai Region
Madurai, Theni, Dindigul, Virudhunagar
How to Calculate TNEB Electricity Bill
Read Meter
Subtract previous reading from current reading.
First 100 Units FREE
First 100 units are free for domestic consumers.
Apply Slabs
Remaining units charged at progressive rates.
Add Fixed Charges
Fixed charges based on connection capacity.
FAQs - Tamil Nadu Electricity
First 100 units per month are FREE for all domestic consumers in Tamil Nadu. This is automatically applied to your bill.
Pay via TANGEDCO website, TNEB app, or UPI apps like PhonePe, Paytm, Google Pay.
Call 1912 or 044-28520026 for complaints.
TNEB charges ₹20/month for single phase and ₹40/month for three phase meters.
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