BillCalc

Tamil Nadu Tamil Nadu Generation and Distribution Corporation

TNEB Commercial Electricity Bill Calculator

Estimate your TNEB commercial electricity bill using the latest Tamil Nadu commercial tariff rates. View a detailed bill breakdown, understand applicable commercial charges, and customize billing parameters whenever required.

Tariff Updated: August 2026
Verified with official Tamil Nadu Electricity Regulatory Commission (TNERC) tariff schedule for 2026-27.

Calculator Inputs

Default Tariff
Select your connection type or billing category.
Select single phase or three phase electrical connection.
Enter your bi-monthly or monthly consumption.
Default billing period for TANGEDCO is 2 months.

Estimated Bill Summary

TNEB Bill Calculator

Tamil Nadu Generation and Distribution Corporation (Tamil Nadu)

ESTIMATE
Connection Type: -
Consumption: -
Sanctioned Load: -
Billing Period: -

Calculating...

Net Amount Payable
₹0.00
Charge Item Calculation Formula Amount

Cost Composition Chart

Energy: ₹0
Fixed: ₹0
Tax/Fee: ₹0

Latest verified TANGEDCO electricity tariff rates for the Commercial connection in Tamil Nadu. Check the per unit electricity rate, tariff slabs, fixed charges, and applicable taxes used to estimate your electricity bill. You can optionally customize tariff slabs and charges to match your latest utility bill. Your customized tariff is saved on this device for future calculations.
Source: Official TANGEDCO Tariff PDF (1) Official TANGEDCO Tariff PDF (2)

(Subsidy Adjusted according to current Tamil Nadu Govt Rules)

TANGEDCO Commercial Tariff Slabs & Rates

Updated: August 2026

Consumption Slabs & Unit Rates (Bi-monthly)

Consumption Range Unit Rate Billing Type
0 - 100 Units ₹6.65 Flat Bracket (Highest)
Above 102 Units ₹10.45 Flat Bracket (Highest)

Fixed Charges & Other Charges

Charge Name Value Charge Type
Fixed Charge (<= 50 kW) ₹110.00 (per kW) FIXED
Fixed Charge (50 - 112 kW) ₹332.00 (per kW) FIXED
Fixed Charge (> 112 kW) ₹608.00 (per kW) FIXED

About the TNEB Commercial Electricity Bill Calculator

The TNEB Commercial Electricity Bill Calculator helps commercial electricity consumers in Tamil Nadu estimate their electricity bills using the latest available commercial tariff rates. Whether you operate a retail shop, office, showroom, restaurant, hotel, clinic, educational institution, warehouse, or another commercial establishment, this calculator provides a fast and convenient way to estimate your electricity charges before your official bill is generated.

Commercial electricity tariffs generally differ from residential tariffs and may include different energy charges, fixed charges, demand-related charges, or other applicable billing components depending on the tariff category. This calculator automatically applies the appropriate commercial tariff structure to generate an accurate estimate based on your electricity consumption and selected connection type.

A key feature of this TNEB Commercial Electricity Bill Calculator is Billing Customization. If commercial tariff rates change or your electricity provider revises slab rates, fixed charges, or other billing parameters, you can easily customize these values before calculating your bill. This flexibility makes the calculator useful for estimating future electricity costs, comparing tariff revisions, and evaluating different business consumption scenarios.

Whether you want to estimate the electricity cost for a small shop consuming a few hundred units each month or a large commercial establishment with higher electricity usage, this calculator provides a transparent bill breakdown that helps you understand how your estimated electricity bill is calculated.

The calculator is regularly updated using the latest available tariff information published by the relevant electricity authorities. While every effort is made to provide reliable estimates, your actual electricity bill may differ due to applicable taxes, subsidies (where applicable), arrears, billing adjustments, meter readings, power factor penalties, demand charges, or other utility-specific components included by the electricity provider.

Why Use This Calculator?

  • Calculate your TNEB commercial electricity bill instantly.
  • Uses the latest available Tamil Nadu commercial tariff rates.
  • Detailed commercial bill breakdown.
  • Supports slab-wise commercial tariff calculation.
  • Optional Billing Customization for tariff rates and charges.
  • Useful for shops, offices, restaurants, hotels, and other businesses.
  • Free to use on desktop, tablet, and mobile devices.
  • Helps estimate electricity expenses before your official bill is generated.

TANGEDCO Electricity Bill Components Explained

Learn what each tariff slab, fixed charge, tax, and other billing component means and how it is used to estimate your Electricity bill.

Billing Component Charge Type What is it? / Description
Energy Charge Volumetric Charge Charges based on the total electrical energy consumed (measured in kWh Units), billed across slab rates.
Fixed Charge Fixed A fixed monthly fee charged by the utility provider for connection maintenance, grid/pipe service availability, independent of consumption.

Explore step-by-step bill calculation examples for TANGEDCO Electricity Bills for commercial connection based on the latest tariff rates, slabs, and charges published by Tamil Nadu Generation and Distribution Corporation.

Commercial

What is the TANGEDCO Electricity Bill for 100 Units (3 kW)?

The estimated bill is ₹1,325.00. See charges and slabs format below:

Energy Charges: ₹665.00
Fixed Charges: ₹660.00
1
Volumetric Energy Charges
  • Slab (Flat Rate (0-100)): 100 × ₹6.65 = ₹665
2
Surcharges, Fixed Fees & Taxes
  • Fixed Charge (<= 50 kW): ₹660.00
    ₹110/kW × 3 kW × 2 mo
Commercial

What is the TANGEDCO Electricity Bill for 200 Units (3 kW)?

The estimated bill is ₹2,750.00. See charges and slabs format below:

Energy Charges: ₹2,090.00
Fixed Charges: ₹660.00
1
Volumetric Energy Charges
  • Slab (Flat Rate (101+)): 200 × ₹10.45 = ₹2090
2
Surcharges, Fixed Fees & Taxes
  • Fixed Charge (<= 50 kW): ₹660.00
    ₹110/kW × 3 kW × 2 mo
Commercial

What is the TANGEDCO Electricity Bill for 300 Units (3 kW)?

The estimated bill is ₹3,795.00. See charges and slabs format below:

Energy Charges: ₹3,135.00
Fixed Charges: ₹660.00
1
Volumetric Energy Charges
  • Slab (Flat Rate (101+)): 300 × ₹10.45 = ₹3135
2
Surcharges, Fixed Fees & Taxes
  • Fixed Charge (<= 50 kW): ₹660.00
    ₹110/kW × 3 kW × 2 mo
Commercial

What is the TANGEDCO Electricity Bill for 500 Units (3 kW)?

The estimated bill is ₹5,885.00. See charges and slabs format below:

Energy Charges: ₹5,225.00
Fixed Charges: ₹660.00
1
Volumetric Energy Charges
  • Slab (Flat Rate (101+)): 500 × ₹10.45 = ₹5225
2
Surcharges, Fixed Fees & Taxes
  • Fixed Charge (<= 50 kW): ₹660.00
    ₹110/kW × 3 kW × 2 mo
Commercial

What is the TANGEDCO Electricity Bill for 800 Units (3 kW)?

The estimated bill is ₹9,020.00. See charges and slabs format below:

Energy Charges: ₹8,360.00
Fixed Charges: ₹660.00
1
Volumetric Energy Charges
  • Slab (Flat Rate (101+)): 800 × ₹10.45 = ₹8360
2
Surcharges, Fixed Fees & Taxes
  • Fixed Charge (<= 50 kW): ₹660.00
    ₹110/kW × 3 kW × 2 mo
Commercial

What is the TANGEDCO Electricity Bill for 1000 Units (3 kW)?

The estimated bill is ₹11,110.00. See charges and slabs format below:

Energy Charges: ₹10,450.00
Fixed Charges: ₹660.00
1
Volumetric Energy Charges
  • Slab (Flat Rate (101+)): 1000 × ₹10.45 = ₹10450
2
Surcharges, Fixed Fees & Taxes
  • Fixed Charge (<= 50 kW): ₹660.00
    ₹110/kW × 3 kW × 2 mo
FAQ

Frequently Asked Questions

Common questions about TNEB Commercial Electricity Bill Calculator

Verified Tariff
Looking for the official TANGEDCO customer care number, complaint helpline, head office, bill payment portal, online booking service, or official website? Find the latest verified utility contact details and regulator information below.
Utility Provider TANGEDCO
Full Form Tamil Nadu Generation and Distribution Corporation Limited
State / Jurisdiction Tamil Nadu
Head Office Address NPKRR Maaligai, 144 Anna Salai, Chennai, Tamil Nadu - 600002
Customer Care / Complaint Number 1912
Alternate Toll-Free Number 044-28520131
Support Email cpro@tnebnet.org
Official Website Visit Official TANGEDCO Website
Regulatory Commission Tamil Nadu Electricity Regulatory Commission (TNERC)
Official Regulator Website Visit Tamil Nadu Electricity Regulatory Commission (TNERC) Official Website

Disclaimer: BillCalc estimates are calculated using official Tamil Nadu Electricity Regulatory Commission (TNERC) published tariff rates. Not all official connection types or tariff categories may be available by default. Where supported, you can use Billing Customization to modify existing tariffs or create a custom connection by adding your own billing slabs, fixed charges, taxes, rebates, fuel adjustment charges, and other applicable billing components to better match your actual utility bill. All calculations are estimates for informational purposes only, and your utility provider's official bill remains the final and authoritative statement of charges.

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