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Tamil Nadu Electricity Bill Calculator

with Subsidy

Electricity Tariff Details

without Subsidy

Refer to the following table for the details of energy and fixed charges for different consumer categories and tariff slabs. For further details, visit the Existing Tariff - FY 2023-24 and Approved Tariff from 1st July, 2024.

Consumer Category Slabs for Energy Charges Slabs for Fixed Charges Existing Tariff - FY 2023-24 Approved Tariff (@ CPI) from 1st July, 2024
Energy Charges (Rs./unit) Fixed Charges (Rs./kW/month) Energy Charges (Rs./unit) Fixed Charges (Rs./kW/month)
LOW TENSION
LT - IA Domestic, Hand Loom etc.
Bi-monthly
0-400 kWh 4.60 - 4.80 -
401-500 kWh 6.15 - 6.45 -
501-600 kWh 8.15 - 8.55 -
601-800 kWh 9.20 - 9.65 -
801-1000 kWh 10.20 - 10.70 -
above 1000 kWh 11.25 - 11.80 -
LT-IB Huts in Village Panchayats, TAHDCO etc.
Single Slab Tariff 9.35 307.00 9.80 322.00
LT - IC LT Bulk Supply for Railway, Defence Colonies etc.
Single Slab Tariff 8.15 102.00 8.55 107.00
LT - ID Common Facilities in Multi-tenements