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Tariff Guide 2025Updated January 16, 2025 • 12 min read

TNEB Domestic Tariff 2025: Latest Rates & How to Calculate

Complete guide to TNEB domestic tariff rates 2025 with Tamil Nadu electricity charges per unit, TNEB slab rates for homes, bill calculation formulas, and money-saving tips for households.

TNEB domestic tariff rates 2025 - Tamil Nadu electricity charges per unit showing all slab rates for homes

Understanding TNEB Domestic Tariff Rates 2025

The Tamil Nadu Electricity Board (TNEB) domestic tariff rates 2025 have been significantly reduced to provide relief to households. The progressive Tamil Nadu electricity charges per unit system ensures that low-consumption families pay less while encouraging energy conservation. These TNEB slab rates for homes are among the most consumer-friendly in India, especially with the free electricity scheme for the first 100 units.

Big News: 2025 Rate Reductions!

  • 101-200 units: Reduced from ₹2.25 to ₹1.50 (-33%)
  • 201-500 units: Reduced from ₹4.50 to ₹3.00 (-33%)
  • 501+ units: Reduced from ₹6.60 to ₹6.50 (-1.5%)
  • Free 100 units scheme continues unchanged

Use our free TNEB bill calculator to see how these new rates affect your monthly electricity bill.

Quick TNEB Bill Calculator

Enter your monthly electricity consumption to see your exact bill breakdown with 2025 rates.

Enter your units to see your bill calculation

TNEB Domestic Tariff Rates: 2024 vs 2025 Comparison

Consumption SlabRate per UnitFixed ChargeAnnual Savings
0-100 units
All domestic consumers
₹0 (Free)
₹20
₹0 + ₹240 fixed charges
101-200 units
All domestic consumers
₹1.50 per unit
₹30
Save ₹1,800 vs commercial rates
201-500 units
Regular domestic consumers
₹3.00 per unit
₹50
₹2,700 savings vs higher slabs
501+ units
High consumption domestic users
₹6.50 per unit
₹100
Still 15% cheaper than commercial

How to Calculate Your TNEB Domestic Bill (Step-by-Step)

Formula Breakdown

Step 1: Energy Charges

Apply slab rates to your consumption:

  • • First 100 units = Free
  • • Next 100 units = Units × ₹1.50
  • • Next 300 units = Units × ₹3.00
  • • Above 500 units = Units × ₹6.50

Step 2: Fixed Charges

Monthly service charge based on consumption slab

Step 3: Additional Charges

FSA + Electricity Tax (20%) + Meter Rent

Final Bill

Energy + Fixed + FSA + Tax + Other Charges

Example: 320 Units Bill Calculation

0-100 units (Free)₹0
101-200 units × ₹1.50₹150
201-320 units × ₹3.00₹360
Fixed Charge₹50
FSA (₹1.50/unit)₹480
Electricity Tax (20%)₹208
Total Bill₹1,248

Money-Saving Tip

The same 320 units would have cost ₹1,848 in 2024 - you're saving ₹600 per month with the new 2025 rates! For even bigger savings, consider solar power installation to avail 40% subsidy and reduce your monthly consumption.

Calculate Your Exact Bill

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Frequently Asked Questions about TNEB Domestic Tariff

Download Free TNEB Tariff Cheat Sheet

Get a printable PDF with all 2025 rates, calculation formulas, money-saving tips, and a quick reference chart. Perfect for keeping with your electricity bills!

Master Your TNEB Bills with 2025 Rate Knowledge

The new TNEB domestic tariff rates 2025 offer significant savings for Tamil Nadu households. With Tamil Nadu electricity charges per unit reduced by up to 33%, families can save thousands annually. Understanding these TNEB slab rates for homes and using energy-efficient appliances can further reduce your bills. Regular monitoring with our bill calculator helps you stay within optimal consumption ranges for maximum savings.

Calculate Your Exact TNEB Bill

Use our free calculator with the latest 2025 tariff rates. Get instant, accurate results with detailed breakdowns.

Calculate Bill Now →

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