TNEB Electricity Bill Calculator
Calculate your Tamil Nadu electricity bill in seconds with the latest telescopic tariff slabs, government subsidy, fixed charges and a printable summary.
Calculate Your Bill
Enter your consumption details and click Calculate Bill to see the estimate.
Current TANGEDCO Domestic Tariff
Tier 1 — Up to 500 units (bi-monthly)
| Slab | Rate / unit |
|---|---|
| 0 – 200 units | ₹0.00 (free) |
| 201 – 400 units | ₹4.70 |
| 401 – 500 units | ₹6.30 |
Tier 2 — Above 500 units (bi-monthly)
| Slab | Rate / unit |
|---|---|
| 0 – 100 units | ₹0.00 (free) |
| 101 – 400 units | ₹4.70 |
| 401 – 500 units | ₹6.30 |
| 501 – 600 units | ₹8.40 |
| 601 – 800 units | ₹9.45 |
| 801 – 1000 units | ₹10.50 |
| Above 1000 units | ₹11.55 |
Fixed Charges (bi-monthly)
| Connected Load | Fixed Charge |
|---|---|
| Up to 500 W | ₹30 |
| 501 W – 1 kW | ₹45 |
| Above 1 kW | ₹45 + ₹30 per additional kW |
Energy Saving Tips
Switch to LED
LED bulbs use up to 80% less energy than incandescent bulbs and last longer.
Set AC to 24°C
Every degree lower increases AC power consumption by about 6%.
Unplug Standby Devices
Phantom loads can add 5–10% to your monthly consumption.
Use Solar Water Heaters
Solar heaters can cut water-heating costs by 60–70%.
Important Notes
- This calculator is for estimation only and is not an official TANGEDCO bill.
- Rates are based on the latest published tariff order and free-unit subsidy announcements.
- Electricity duty is assumed at 5% of energy charges for estimation.
- Monthly estimates are derived by scaling the bi-monthly tariff structure.
- Fuel cost adjustment (FCA) and other surcharges are not included.
- Crossing the 500-unit threshold reduces the free-unit quota from 200 to 100 units.
Frequently Asked Questions
How is the TNEB domestic bill calculated?
TANGEDCO domestic consumers are billed on a telescopic bi-monthly slab system. Up to 200 units are free if total consumption is 500 units or below in the billing period; above 500 units, only 100 units are free. Energy charges are added slab by slab, then fixed charges and 5% electricity duty are applied.
What is the current free-unit subsidy in Tamil Nadu?
Households that consume 500 units or less in a two-month billing cycle receive 200 free units. Households that consume more than 500 units receive 100 free units.
Can I use this calculator in Elementor?
Yes. Upload the three files to your WordPress site, link the CSS and JS from an Elementor HTML widget, and paste the HTML markup from index.html.
Why does my actual bill differ slightly?
Actual bills may include fuel cost adjustment, arrears, late-payment surcharges, and specific meter reading dates that this calculator does not model.
TNEB Bill Calculator – Calculate Tamil Nadu Electricity Bill Online
This allows you to know beforehand what your bill will be before it arrives so you can manage your monthly electricity expenses. TNEB Bill Calculator It is a free online tool to calculate your electricity bill according to latest domestic tariff rates of Tamil Nadu.
Enter the number of units you have consumed and the calculator will instantly estimate your electricity charges including slab wise calculations and fixed charges if applicable. This allows you to plan your monthly budget and understand how your electricity bill works.
What is TNEB Bill Calculator?
TNEB Bill Calculator is a free online tool to calculate your electricity bill based on the number of units you consumed under Tamil Nadu electricity tariff system.
The calculator calculates the charges for the different tariff slabs automatically and displays an estimated bill within seconds instead of doing the calculations manually.
This is helpful for homeowners, tenants, students, landlords and anyone who wants to predict their electricity expense before the actual bill comes in.
How to Use the TNEB Calculator
Using our calculator is quick and simple.
Step 1: Enter Units Consumed
Enter the total number of electricity units shown on your EB meter or electricity bill.
Step 2: Select Consumer Type
Choose the appropriate consumer category if multiple options are available.
Step 3: Click Calculate
Press the Calculate Bill button.
The calculator will instantly display:
- Estimated Electricity Bill
- Energy Charges
- Fixed Charges
- Slab-wise Charges
- Total Amount Payable
How Is the Electricity Bill Calculated?
Electricity bills in Tamil Nadu are generally calculated using a slab-based tariff system. This means different unit ranges are charged at different rates.
For example, the first set of units may be charged at one rate, while higher unit ranges may have different rates.
Our calculator automatically applies the appropriate tariff slabs based on the units entered, making the calculation fast and accurate.
Why Use Our TNEB Bill Calculator?
Our calculator is designed to make bill estimation easy for everyone.
Fast Results
Get your estimated electricity bill in seconds.
Easy to Use
No technical knowledge is required.
Mobile Friendly
Works smoothly on mobile phones, tablets, laptops, and desktop computers.
Free to Use
No registration or payment is required.
Instant Bill Breakdown
Understand how your electricity charges are calculated with a clear slab-wise summary.
Benefits of Estimating Your Electricity Bill
Knowing your expected electricity bill helps you:
- Plan your monthly household budget.
- Monitor your electricity usage.
- Reduce unnecessary power consumption.
- Compare electricity usage between billing cycles.
- Identify opportunities to save energy.
Tips to Reduce Your Electricity Bill
Here are some simple ways to reduce your electricity consumption:
- Switch off lights and fans when not in use.
- Replace old bulbs with LED lighting.
- Use energy-efficient appliances.
- Set air conditioners to an energy-saving temperature.
- Turn off standby devices when not needed.
- Maintain refrigerators and air conditioners regularly.
- Make better use of natural light during the day.
Small changes in daily habits can lead to noticeable savings over time.
Is This Calculator Accurate?
Our calculator is built using the latest available Tamil Nadu domestic electricity tariff structure. It is intended to provide a reliable estimate for planning purposes.
However, your actual bill may vary depending on:
- Official TANGEDCO tariff revisions
- Government subsidies
- Taxes or additional charges
- Fixed charges
- Consumer category
- Billing period
For the final payable amount, always refer to your official electricity bill issued by TANGEDCO.
Yes. Our calculator is completely free to use.
Yes. It is fully responsive and works on all modern devices.
The calculator provides an estimate based on the latest available tariff information. Actual bills may differ depending on official tariff revisions and additional charges.
Yes. You can use it as often as you like to estimate your monthly electricity bill.
No. The values you enter are processed only within your browser to calculate the estimated bill. We do not permanently store your electricity usage information.
Disclaimer
This calculator is provided for informational and estimation purposes only. While every effort is made to keep the calculations accurate and up to date, the estimated bill may differ from the official TANGEDCO electricity bill due to tariff revisions, government policies, subsidies, taxes, fixed charges, or other applicable fees. Please refer to your official electricity bill for the final payable amount.