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UPGRADE / DOWNGRADE

Learn more about electricity supply and when to upgrade.

Household electricity supply

Single-phase meter

Measures usage from a 230 Volt supply through two (2) wires

3-phase meter

Measures usage from a 400 Volt supply through four (4) wires

WHEN TO CHANGE

You are advised to change from a single-phase supply to a 3-phase supply when your household electricity load exceeds 10kW or 50A. As a rule of thumb, if you have three (3) or more air conditioners in your home, you should upgrade to a 3-phase supply as it will increase stability and reliability of electricity supply.

  • Connection charges

    Changing from a single-phase supply to a 3-phase supply would require connection charges.

    Example 1: Encik Ahmad’s current single story terrace house is given a single phase electricity supply via an overhead cable. He is applying for change of load since he has already installed four air conditioners:

    Connection charge

    =Standard connection charge for NEW three phase overhead supply

    MINUS

    Connection charge paid for EXISTING single phase overhead supply

    =RM750 - RM450

    =RM300

    Example 2: Mr Tan’s current bungalow is given a single phase electricity supply via an overhead cable. Since he has installed many electrical equipment including five air conditioners, he is applying for load change to a three phase supply via an underground cable.

    Connection charge

    =Standard connection charge for NEW three phase overhead supply

    MINUS

    Connection charge paid for EXISTING single phase overhead supply

    =RM1,700 - RM450

    =RM1,250*

    *Amount excludes any additional charges that may apply should any extra work required such as requirements by the local council to use Horizontal Directional Drilling (HDD) or Mil and Pave road works.

    *For all load changes applications, additional Security Deposit would be required due to expected increase in bill amount. Please enquire at any Kedai Tenaga TNB to know more about the charges involved for the change of load.

    *Note

    Charges may also apply for downgrade cases. Should you need any additional information on this, kindly contact us at 1300-88-5454 or e-mail us at tnbcareline@tnb.com.my

What is the application process for Upgrade/Downgrade Supply Application through online?

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Online Application

Appoint Contractor
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Fill Up Form

  • Customer fills the electricity online application form, signs the digital electricity supply contract (electricity application form) with TNB
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Pay Essential Charges

  • TNB comes up with the connection charges relevant with the electricity connection
  • Customer pays the connection charges and RM10 stamp duty online or at Kedai Tenaga
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Get Electricity Supply

  • Customer pays the electricity deposit
  • TNB installs meter and connects supply

Note: Currently under this category, customers are required to pay upfront all these essential charges which include the Connection Charges, Stamp Duty and Security Deposit to apply for electricity. To get the best deal among the listed contractors, customers are advised to liaise and request for quotations prior to appointing one.

Required document
Required documents by applicant Under personal name Company / Sole Proprietorship / Enterprise / Partnership / Society Government body / Agencies Document details
Completed & Signed Application Form

✓

✓

✓

  
Copy of Applicant’s Identification Document

✓

 IC Copy of Authorized Person / Representative IC Copy of Authorized Person / Representative (Optional) e.g. NRIC or Passport

-

 Letter of Authorization with Company Letterhead Letter of Authorization with Government / Agency Letterhead e.g. Letter indicating the company representative’s name and NRIC
Copy of Registration Certificate

-

✓

-

 e.g. Company (Form 9) or Business (Form D) or Joint Management Body Certificate or Management Corporate Certification or Association Registration Certificate or any other form of official registration document of the organization (for examples, Mosques and Private Islamic School are registered under The State Islamic Department, or Cooperatives are registered Cooperative Commission of Malaysia).
REQUIRED DOCUMENTS BY THE APPOINTED ELECTRICAL CONTRACTOR

Form G - Supervision and completion certificate

Form H - Test Certificate

✓
Metering Schematic (for Maximum Demand >100A)

✓

How to apply

 

Just login to www.mytnb.com.my to submit your request online. You would will be required select the preferred contractor and to clear outstanding payment (if any) online. This service is applicable to:

 
  • Individual (Residential Category) Customers
  • TNB Registered Electrical Contractors
 

Note: Online application is only applicable for maximum demand of 60kW (or 100A) only. For Large Power Consumers (LPC), application must be made through Kedai Tenaga.

Where to apply?

At Kedai Tenaga nearest to your premise

Submit your application to load change via a qualified electrical contractor registered with the Energy Commission.