TNEB Bill Calculator 2025 - Tamil Nadu Electricity bill Calculator
Latest Revised rate JULY 2024 – Checked on 1 july 2025.
Government of Tamilnadu – will bear 1 july 2025 Rate hike -calculator is Up-to-date
“Tamil Nadu Electricity Bill Calculator (TNEB Tariff Calculator) calculates your TNEB electricity bill based on units consumed for domestic customers.”
Calculate your Tamil nadu electricity bill - Instantly (updated on 2025 )
Estimated Bill: ₹0.00
Bill Breakdown
Energy Saving Tips
TNEB New Tariff rates & slabs 2025 (Updated on june 2025) - Tamil nadu electricity new tariff rate
TNEB New Tariff 2025 | Updated (june-2025) | *** |
---|---|---|
Tariff Slab Limit | Consumption | Prices |
<500 units | 0 to 100 units | 0 (free) |
101 to 200 units | Rs 2.35 | |
201 to 400 units | Rs 4.70 | |
401 to 500 units | Rs 6.30 | |
---- | --- | --- |
500 + units | 0 to 100 units | 0 (free) |
101 to 400 units | Rs 4.70 | |
401 to 500 units | Rs 6.30 | |
501 to 600 units | Rs 8.40 | |
601 to 800 units | Rs 9.45 | |
801 to 1000 units | Rs 10.50 | |
Above 1000 units | Rs 11.55 | |
How to use TNEB bill calculator 2025 (Step-by-step guide)?
Step - 1 - TAKE YOUR EB UNITS - From TNEB Reading
Take your tneb meter reading details like how much electricity units consumed eg 200 units or 700 units. For that you need to Substract previous cycle reading with current latest tneb meter readings – which gives total units consumed by consumer
Step - 2 - ENTER YOUR UNITS CONSUMED
Write total Eb units consumed in format either KWH or units in the unit input space named as ” enter your units consumed”
step - 3 - PRESS CALCULATE BUTTON & GET BILL.
After writing the tneb meter readings in unit on the space , press “calculate” button , now total tneb electricity bill / total tamil nadu electricity bill for your units will be displayed in the Estimated bill section.
step - 4 - SEE BILL BREAKDOWN & DIFFERENT SLAB AMOUNT.
Bill breakdown will be shown which includes your total eb bill , your total units entered and based on slab how much unit charged for your slab and its internal breakdown also shown.
Buttons On TNEB Bill Calculator
Clear – button – Removes all data you entered on your unit input space.
Backspace button – Deletes one digit at a time on the unit input space.
Virtual keyboard – used to enter your unit-input to the calculator which has numerical digits from 0 to 9.
Thus, working of eb bill calculator is straightforward for calculating Tamil nadu electricity board bill amount.
Why our TNEB Bill calculator 2025 is best ?
1. User friendly, colorful & attractive interface.
Our calculator is very intuitive , easy to use with clear layout and attractive color, so that users can use the calculator without any confusion in a timebound manner.
2. Accessible Anywhere
No download is needed , You can use in any web browsers and in any devices in desktop ,tablets and mobile etc
3. Fast and accurate results
You can experience the lightening fast computations . Enter your reading get the precise results every time without any errors , because our calculator is checked for its reliablity many times.
4. Free for all Users
No hidden charges or subscription fees – it is a free online tool , users can access anytime ,anywhere.
Tamil nadu electricity bill calculator - Image

FAQ for TNEB Bill Calculator 2025 (Updates) – Tamil Nadu Electricity Bill Calculator
What is a TNEB bill Calculator 2025?
The TNEB Tariff Calculator is an online tool that calculates Tamil Nadu electricity bill for domestic users based on your meter reading (consumed units) and current TNEB slab rates 2025.
Where do I find my TNEB reading for the bill calculator?
"Your TNEB - readings is shown on your electricity meter. For accurate calculations, subtract the previous month's reading (from your last TNEB bill) from your current meter reading to get consumed units. Paste that eb units consumed in tneb bill calculator here and see the bill amount "
Are TNEB Bill Calculator results accurate for all domestic users?
"Yes, our Tamil Nadu Electricity Bill Calculator uses official TNEB slab rates (2024). It's accurate for standard domestic connections - for high-consumption users (>500 units/month), it includes higher tariff slabs automatically.
This electricity bill unit rate calculator is Up-to-date ?
Yes , TNEB bill calculator is up to date based on tneb slab rates released till June 2025 .
Can I calculate my TNEB bill without the meter reading?
"No. The TNEB Bill Calculator requires your current meter reading (consumed units) as input since bills are calculated based on unit consumption across TNEB's progressive tariff slabs.
How do I use the Tamil Nadu Electricity Bill Calculator 2025 ?
"Enter your current TNEB meter readings (in kWh units) into the calculator. It automatically computes your bill using TNEB's domestic tariff structure, showing a breakdown of charges including fixed costs and duties.
How many units are free in TNEB 2025 ?
First 100 units are free for TNEB customers that too only for domestic customers in 2025 because tamil nadu government gives this as a subsidy.
What are the latest TNEB tariff rates 2025?
For domestic consumers , based on units consumed (TNEB tariff slab rates 2025)
A) Consumption upto 500 units
- 0 – 100 units =0 rupees (free subsidy)
- 101 -200 units = 2.35 rupees
- 201 – 400 units = 4.70 rupees
- 401 – 500 units = 6.30 rupees
B) Consumption above 500 units
- 0 – 100 units =0 rupees (free subsidy)
- 101 - 400 units = 4.70 rupees
- 401 – 500 units = 6.30 rupees
- 501 – 600 units = 8.40 rupees
- 601 – 800 units = 9.45 rupees
- 801 - 1000 units = 10.50 rupees
- Above 1000 units = 11.55 rupees
how tneb bill is calculated in Tamil Nadu ?
TNEB ( Tamil Nadu Electricity Board) bill is calculated based on your unit consumption (KWH or Units) and its corresponding tneb tariff slab rates 2025 and fixed charges for corresponding user category ( domestic or commercial).
Example - for 300units consumed in domestic category in Tamil Nadu has different tneb slab rates and commercial consumers like powerloom , small enterprises has different tneb slab rates.
Domestic category (Residential consumer) for 300 units consumed gets to pay = Rupees 705.00 (No fixed charges)
Bill breakdown is
TNEB is governmet or private ?
TNEB (Tamil Nadu Electricity Board) is government of tamil nadu owned power company with 100% govt of tamil nadu control.
How to Reduce Your TNEB Bill: Practical Tips
1. Use energy efficient devices
Replace CFL bulbs with modern LED bulbs with and old ceiling fan with BLDC fan for cost effective , energy efficient purposes.
2. Use auto mode and keep 24 degree in air conditioner.
- Maintaining the the government recommended temp of 24 degree celsius can benefit significantly for reducing eb bill for bimonthly and yearly calculation and
- Auto mode automatically maintains the predeterminded temperature by switching on the ac when needed and switching off when temp is attained thereby reducing eb bill and increaing energy efficiency
About Tneb Tariff (TANGEDCO) order – 4 july 2024 (Updated 1 july 2025)
- TNEB provides subsidy for cetain domestic customers for units from 0 to 100 units electricity consumption. Cost of the subsidy is that user need not to pay money for first 100 units.
- For calculation of TNEB commercial bill calculation – there is another calculator which is accessible through “TNEB commercial Bill Calculator”.
- TNERC Regulates the eb bill slab rates due to regulating power , it derived from Electricity act 2003 , based on the act – it released TNEB Slab rates ( TANGEDCO tariff order ) order on July 2024 for FY2024-FY2025 .