Commercial Electricity Rate per Unit in Tamil Nadu 2025: Updated Tariff And Bill Payment

From July 1, 2025, the commercial electricity rate per unit in Tamil Nadu has risen by 3.16% with prices now rising from ₹8.55 to ₹8.80 for small commercial users and from ₹11.80 to ₹12.15 for larger ones. These rates are regulated by the Tamil Nadu Electricity Regulatory Commission (TNERC) and revised yearly based on inflation. The commercial EB charges in Tamil Nadu also include fixed and demand-based costs. Domestic and business consumers get subsidy support. Bills can be paid online or offline via TANGEDCO. 

Who is Responsible for Providing Commercial Electricity in Tamil Nadu?

The Tamil Nadu Power Distribution Corporation Limited (TNPDCL) is responsible for providing commercial electricity in Tamil Nadu. As a subsidiary of the Tamil Nadu Electricity Board (TNEB), TNPDCL oversees the generation, transmission, and distribution of electricity across the state. 

It ensures a reliable power supply to various commercial establishments, industries, and households, playing a crucial role in supporting the state's economic and infrastructural development.  Furthermore, TNPDCL is dedicated to implementing renewable energy initiatives and enhancing energy efficiency to meet the increasing power demands sustainably. 

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Their efforts also focus on reducing transmission and distribution losses while maintaining a robust power infrastructure.

How to get a new Commercial Electricity Connection in Tamil Nadu?

To get a new commercial electricity connection in Tamil Nadu, you need to follow the official procedure outlined by the Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO). The process involves submitting the required documents, completing the application, and paying the necessary fees. Below is the step-by-step process to get a new commercial electricity connection in Tamil Nadu:

• Step 1: Visit the TNPDCL Website:  Open your web browser and navigate to the official TNPDCL website.
• Step 2:  Go to Online Services: Select the Online Services tab present on the home page.
• Step 3: Go to the New Service Connection Section: Under the new service connection section, select the LT-service connection. 
• Step 4: Create an Account: Next, you need to create an account. To do so, you need to provide your email ID and mobile number. After adding these details, you can receive an OTP on your mobile phone to validate your account. 
• Step 5: Fill out the Application Form: In the next window, you will see the application form. You need to provide information like district, taluk, town, ownership of the property, and several other. Please provide the correct information to avoid rejection of the application form.
• Step 6: Upload Documents: Upload necessary documents like photos, tax receipts of the property, or any other relevant documents. Ensure the scanned copies are clear after uploading, and click on the Next button. 
• Step 7: Accept the Terms and Conditions: In the new window, read the terms and conditions and select the Proceed button.
• Step 8: Pay Fees: A fee breakup will appear. You can choose to pay later or pay now.  You can make payments through UPI, net banking, credit cards, and debit cards. 
• Step 9: Print the Application: Next, go to the status tab and select the option to print the application. After clicking on Print the Application, you need to add the reference number and press Submit to download the application form. 
• Step 10:  Check the Status: Wait for approval from TNPDCL, and you will be notified of the status via email or SMS.

The Latest Commercial Electricity Rates in Tamil Nadu

The TNEB unit rate for commercial 2025 has been revised by 3.16% from July 1, 2025, as per TNERC’s inflation-linked tariff update. Below is a rate comparison to better understand. 

How to Calculate Your Commercial Electricity Bill? 

You can easily estimate your bill using the commercial EB charges formula, based on the total units consumed and the applicable rate per unit. Below is the formula to calculate with a certain example:

• Formula: Total bill  =Units Consumed x Rate per unit + Fixed charges
• Example: If you use 500 units at ₹8.80, your bill =500 x 8.80 + Fixed Charges = ₹4,000 + Fixed Charges.

Factors Influencing the New Commercial Electricity Connection Charges in Tamil Nadu

New commercial electricity connection charges in Tamil Nadu are designed to ensure equitable access to reliable power. These charges depend on various factors. Some of them are as follows: 

• Regulatory Policies: Guidelines set by TANGEDCO and the Tamil Nadu Electricity Regulatory Commission (TNERC) have a significant impact on connection charges. These policies determine the tariffs, subsidies, and overall regulatory framework for new connections.
• Infrastructure Costs: The expenses associated with setting up the electrical connection, such as the installation of wiring, poles, transformers, and meters, contribute significantly to the overall cost. These costs ensure that the infrastructure is robust and capable of meeting the demands of commercial establishments.
• Demand Levels: Higher demand for electricity in a particular area can lead to increased charges. When demand is high, additional infrastructure and resources are required to ensure a stable and uninterrupted power supply, thereby increasing the connection charges.
• Development Charges: These fees cover the development and maintenance of electrical infrastructure, including upgrading existing systems and constructing new facilities. Development charges are essential for ensuring the reliability and efficiency of the power supply network.
• Meter Caution Deposit: A security deposit for the meter installation acts as a safeguard for the electricity provider against any potential misuse or non-payment of bills. This deposit is refundable and is calculated based on the estimated consumption of the commercial establishment.
• Registration Charges: Fees for processing the connection application cover administrative costs and ensure that all necessary documentation and procedures are followed. These charges help streamline the application process and ensure that it is handled efficiently.
• Energy Efficiency and Conservation Measures : Adopting energy-efficient systems can influence connection charges. Establishments incorporating renewable energy sources or energy-saving appliances may qualify for incentives, leading to reduced overall costs. Encouraging sustainability aligns with Tamil Nadu’s push toward greener energy practices.

How to Check Your Commercial Electricity Bill Online?

You can easily check and download your bill online through the official TANGEDCO website using your service number and the region details. Below are the steps on how to check:

• Step 1: Visit the TANGEDCO website and go to the ‘Billing Services’ or ‘Online Bill Payment’ section. 
• Step 2: Enter your Service Number and select your region to view the current bill amount and usage details.
• Step 3: Check your total amount based on the commercial EB rate per unit, and pay securely online via UPI, debit, or credit card.

How to Pay Commercial Electricity Bill in Tamil Nadu? 

Paying your electricity bill is simple and convenient. The commercial EB bill rate in Tamil Nadu varies by usage, and payments can be made easily through multiple secure methods, both online and offline, via the official TANGEDCO platform or authorised centres statewide. Below are the steps for online & offline payments:

Online Payment

• Step 1: Visit the TANGEDCO Portal: Open your web browser and go to the official TNPDCL website. This is the starting point for accessing the bill payment system.
• Step 2: Go to Online Services: Go to the online services tab present on the home page.
• Step 3: Select Bill Payment: Go to the Payment and Billing Services on the website. Under this section, select the Pay Online option. 
• Step 4: Login: Enter your user credentials (user ID and password) to log in to your account. If you don't have an account, you will need to create one.
• Step 5: Enter Details: After logging into your account, you can provide your customer number and other required details, such as your mobile number and email ID. Make sure to enter the details accurately to avoid any errors.
• Step 6: Select the Bill: After logging into your account, you will see all the due bills. Select the bill you want to pay and click on the button "Pay Bill." 
• Step 7: Choose Payment Method: Select your preferred payment option from the available methods, which may include credit/debit cards, net banking, or UPI.
• Step 8: Confirm Payment: A new window will appear with all the details. Review all entered details and payment information. Once confirmed, proceed by clicking on "Confirm Pay". Next, enter all the required payment details and make the payment. 
• Step 9: Download the Slip: At last, the page will appear with a confirmation page. You can either take a screenshot or download the slip for future reference. 

Offline Payment

• Step 1: Visit the TANGEDCO Office: Head to the nearest TANGEDCO office. It's advisable to have your account details and the bill handy.
• Step 2: Collect the Bill Form: At the office, obtain the bill payment form from the counter or customer service desk.
• Step 3: Fill out the Form: Complete the form with your customer details, such as your account number, billing details, and the amount due. Double-check the information to ensure it is correct.
• Step 4: Make Payment: Proceed to the payment counter and pay the bill amount using cash or cheque. If you're paying by cheque, make sure your account details are clearly mentioned.
• Step 5: Collect Receipt: After making the payment, collect the receipt from the office. This receipt serves as proof of payment and should be kept safely for future reference.

State wise Commercial Electricity Rate Per Unit

• Commercial Electricity Rates in Uttar Pradesh
• Commercial Electricity Rates in Noida
• Commercial Electricity Rate in Punjab
• Commercial Electricity Rate in Uttarakhand
• Commercial Electricity Rate Per Unit in Haryana
• Commercial Electricity Rate Per Unit in Pune
• Commercial Electricity Rate in Delhi
• Commercial Electricity Rate Per Unit in WBSEDCL
• Commercial Electricity Rate Per Unit in Maharashtra
• Commercial Electricity Rate Per Unit in Bangalore
• Latest Commercial Electricity Rate Per Unit in Gujarat

Latest News and Updates on Tamil Nadu Power Tariffs

The Tamil Nadu Electricity Regulatory Commission (TNERC) recently revised power rates under the TNEB commercial tariff, aiming to balance rising costs while protecting domestic and small users. Below are a few news items to keep an eye on:

• Tariff Hike Announced: TNERC approved a 3.16% increase in the power tariffs from July 1, 2025, affecting commercial and industrial consumers. The revision is based on annual inflation to ensure sustainability.
• Domestic Users Protected: The state government assured that domestic consumers, small shops, and cottage industries will not face higher bills, as subsidies will offset the tariff hike. These measures aim to protect low-income households.
• Miscellaneous Charges Revised: In addition to energy tariffs, meter deposits, reconnection fees, and service charges have also been revised by 3.16%, impacting new and existing connections across Tamil Nadu.

Pay Your Commercial Electricity Bills in Tamil Nadu With NoBroker

Paying commercial electricity bills in Tamil Nadu is easy with NoBroker. Stay updated on the commercial electricity rate per unit in Tamil Nadu and pay securely online through NoBroker’s platform. It helps businesses avoid penalties, manage expenses effectively and focus on growth. Simplify your utility payments today with NoBroker’s convenient, reliable, and user-friendly electricity bill payment services. 

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