TNEB Electricity Bill Calculator 2026 - Tamil Nadu Power Bill Estimate | Thiyagi

TNEB Electricity Bill Calculator 2026

Calculate your Tamil Nadu power bill instantly with latest TANGEDCO tariff rates. Get accurate estimates with detailed slab-wise breakdown.

Latest 2026 Rates
Instant Calculation
Detailed Breakdown
Mobile Friendly

Instant Results

Get your electricity bill estimate in seconds with real-time calculations

Slab-wise Breakdown

Detailed analysis showing charges for each consumption slab

100% Accurate

Based on official TNEB/TANGEDCO tariff rates for 2026

Enter Your Electricity Consumption

kWh
💡 Tip: Check your previous month's electricity bill for reference ⌨️ Shortcut: Ctrl + Enter to calculate

Compare with Previous Month

How to Use the TNEB Bill Calculator

1

Enter Units Consumed

Input the number of units (kWh) consumed during your billing period. You can find this on your previous electricity bill or meter reading.

2

Click Calculate

Press the "Calculate My Bill" button to get an instant estimate of your TNEB electricity bill with detailed breakdown.

3

View Results

Review your detailed bill breakdown including energy charges, fixed charges, taxes, and total amount payable.

💡

Quick Estimates

Use the quick estimate buttons (100, 200, 300, 500 units) for instant calculations without typing.

📊

Compare Bills

Use the bill comparison tool to analyze changes between current and previous month consumption.

📱

Share Results

Share your bill calculation results with family or friends using the share button for easy reference.

Pro Tips for Accurate Calculations

  • Check your meter reading carefully - even one digit difference can affect the calculation
  • Use keyboard shortcut Ctrl + Enter for quick calculations
  • Your data is saved automatically for future reference (stored locally)
  • Calculator works offline once loaded - perfect for areas with poor connectivity

Energy Saving Tips

💡 LED Bulbs

Switch to LED bulbs - they use 75% less energy and last 25 times longer

❄️ AC Temperature

Set AC to 24°C instead of 18°C - saves up to 30% on cooling costs

🔌 Unplug Devices

Unplug chargers and electronics when not in use - eliminates phantom load

🌟 Star Ratings

Choose 5-star rated appliances - they consume significantly less power

⏰ Peak Hours

Use high-power appliances during off-peak hours (11 PM - 6 AM)

☀️ Natural Light

Maximize natural light during day - reduces need for artificial lighting

Quick Estimates

About TNEB/TANGEDCO Electricity Rates 2026

This calculator uses the latest TNEB (Tamil Nadu Electricity Board) tariff rates for 2026. TNEB is now known as TANGEDCO (Tamil Nadu Generation and Distribution Corporation).

The calculation includes energy charges, fixed charges, and applicable taxes as per official government notifications.

Important Notes:

  • • Rates may vary for different consumer categories
  • • Rural and urban tariffs may differ
  • • Seasonal variations may apply
  • • Additional charges may apply in some cases

How to Use This Calculator

Step-by-Step Guide:

  1. Check your electricity meter reading
  2. Calculate units consumed (Current - Previous reading)
  3. Enter the units in the calculator above
  4. Click "Calculate My Bill" to get instant results
  5. Review the detailed slab-wise breakdown

Understanding Your Bill:

  • Energy Charges: Based on slab rates
  • Fixed Charges: Monthly service charges
  • Taxes: Government levies and duties
  • Total Amount: Final payable amount

TNEB Tariff Slabs for Domestic Consumers (2026)

Consumption Slab Rate per Unit (₹) Fixed Charges (₹)
0-100 unitsFree (0.00)25
101-200 units1.5040
201-500 units3.0060
501-1000 units6.3080
Above 1000 units7.5080

* Rates are subject to change as per TANGEDCO notifications. Tax @ 6% applicable on total charges.

Frequently Asked Questions

What is TNEB and TANGEDCO?

TNEB (Tamil Nadu Electricity Board) is now known as TANGEDCO (Tamil Nadu Generation and Distribution Corporation Limited). It's the state electricity utility responsible for power generation, transmission, and distribution in Tamil Nadu.

How accurate is this calculator?

Our calculator uses the latest official TNEB/TANGEDCO tariff rates for 2026. Results are highly accurate for domestic consumers, but actual bills may vary slightly due to additional charges, meter reading variations, or special tariff categories.

What are the free electricity units in Tamil Nadu?

Tamil Nadu government provides free electricity up to 100 units per month for domestic consumers. This means if your monthly consumption is 100 units or less, you only pay the fixed charges and taxes.

How is the electricity bill calculated?

The bill is calculated using a slab-wise system where different rates apply to different consumption levels. It includes energy charges (based on units consumed), fixed charges (monthly service fee), and taxes (currently 6% on total charges).

Can I pay my TNEB bill online?

Yes, you can pay your TNEB/TANGEDCO electricity bill online through the official TANGEDCO website, mobile apps, or various payment platforms like Paytm, PhonePe, Google Pay, and net banking.

What happens if I consume more than 500 units?

If you consume more than 500 units, you'll be charged at higher slab rates. The first 100 units remain free, units 101-200 at ₹1.50, units 201-500 at ₹3.00, and consumption above 500 units at ₹6.30 or ₹7.50 per unit depending on the total consumption.

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