TNEB Bill calculator

TNEB Bill Calculator - 2025

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 )

TNEB Bill Calculator
NEW RATE 2025

Estimated Bill: ₹0.00

Bill Breakdown

Enter units to see calculation details

Energy Saving Tips

Switch to LED bulbs which use 75% less energy than incandescent bulbs
Set your AC temperature to 24°C - each degree lower increases energy use by 6%
Unplug devices when not in use to avoid phantom energy consumption

TNEB New Tariff rates & slabs 2025 (Updated on june 2025) - Tamil nadu electricity new tariff rate

TNEB New Tariff 2025Updated (june-2025)***
Tariff Slab LimitConsumptionPrices
<500 units0 to 100 units0 (free)
101 to 200 unitsRs 2.35
201 to 400 unitsRs 4.70
401 to 500 unitsRs 6.30
----------
500 + units0 to 100 units0 (free)
101 to 400 unitsRs 4.70
401 to 500 unitsRs 6.30
501 to 600 unitsRs 8.40
601 to 800 unitsRs 9.45
801 to 1000 unitsRs 10.50
Above 1000 unitsRs 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”Enter 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.

press calculate button

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.

Bill breakdown - see TNEB bill amount

Buttons On TNEB Bill Calculator

Clear – buttonRemoves all data you entered on your unit input space.

Backspace buttonDeletes 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

tneb bill calculator 2025

FAQ for TNEB Bill Calculator 2025 (Updates) – Tamil Nadu Electricity 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 "

"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.

Yes , TNEB bill calculator is up to date based on tneb slab rates released till June 2025 .

"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.

"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.

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.

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

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

0-100 units: Rs 0 (Free).
101-200 units: 100 × RS 2.35 = Rs 235.00.
201-400 units: 100 × RS 4.70 = Rs 470.00.
TOTAL = 705 Rupees.

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 .
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