⚡ Tamil Nadu Electricity Bill Calculator
TANGEDCO · Residential Tariff · FY 2025-26
📊 Tamil Nadu Electricity Slab Rates
| Units Consumed | Rate (per unit) |
|---|---|
| First 100 units | FREE (₹0.00) |
| 101–200 units | ₹1.50/unit |
| 201–500 units | ₹3.00/unit |
| 501–1000 units | ₹4.50/unit |
| Above 1000 units | ₹6.00/unit |
Fixed Charge: ₹30/month (single-phase)
Fuel Adjustment Charges (FAC) per TNERC order
💡 First 100 units FREE every month — one of India’s most generous electricity subsidies.
🧮 Calculate Your Bill
💰 Tamil Nadu Electricity Bill — Sample Amounts
Based on TANGEDCO residential slab rates + fixed charge of ₹30/month (single-phase). FY 2025-26.
| Monthly Usage | Estimated Bill |
|---|---|
| 100 units | ₹30 |
| 200 units | ₹178.50 |
| 300 units | ₹477 |
| 500 units | ₹1,077 |
| 750 units | ₹2,200.50 |
Free units apply per month per service connection. Rates FY 2024-25.
🏛️ About Tamil Nadu Electricity Distribution
❓ Frequently Asked Questions — Tamil Nadu Electricity
What is the current electricity rate in Tamil Nadu?
The residential tariff in Tamil Nadu is set by TNERC (Tamil Nadu Electricity Regulatory Commission). The current slabs range from ₹0.00/unit (first slab) to ₹6.00/unit (highest slab). Fixed charge: ₹30/month (single-phase).
Which is the electricity board in Tamil Nadu?
The electricity distribution in Tamil Nadu is handled by Tamil Nadu Generation and Distribution Corporation Ltd under the regulatory oversight of TNERC (Tamil Nadu Electricity Regulatory Commission).
How is the electricity bill calculated in Tamil Nadu?
Your bill = Energy charges (units × applicable slab rate) + Fixed charge (₹30/month (single-phase)). Slabs are progressive — only units in each band attract that band’s rate. Fuel Adjustment Charges (FAC) per TNERC order.
What is the fixed charge in Tamil Nadu electricity bill?
The fixed/demand charge is ₹30/month (single-phase). This is payable every month regardless of consumption and covers grid maintenance costs.
Are there free units in Tamil Nadu?
First 100 units FREE every month — one of India’s most generous electricity subsidies. Always check with your local TANGEDCO office or the TNERC (Tamil Nadu Electricity Regulatory Commission) website for the latest subsidy schemes.