Payment Modes

Pick the best way to pay your electricity bills – as painlessly as possible.

1 . GIRO 

Hassle-free bill payments with GIRO. Your personalised GIRO form will be in the Welcome Email once your application to switch to Diamond Electric is completed.


  • You will receive the GIRO Form in the welcome email when your application to switch to us is completed. 
  • Only fill in ‘Part 1’ of the GIRO Form.
  • Do not use correction tape or make any cancellation.
  • Once completed, please mail the original GIRO Form back to us at
    ‘1 CleanTech Loop, #02-07 CleanTech One, Singapore 637141’.
  • It will take approximately 3 weeks to complete the application.


  1. Date of the application
  2. Name of the Bank, Example: UOB, DBS, OCBC
  3. Full Name as in Bank Account
  4. Bank Account Number
  5. Contact Number
  6. Signature / Thumbprint

2 . Credit Cards 

Please log in to your customer portal at: 

Customer Portal

  • Your Customer Portal will be activated 3 days after your electricity supply has switched over to Diamond Electric. 
  • Please use your registered email address to set up your account.
  • You will be able to view your account/s details and make payment using credit cards.


  1. Go to: and click ‘Register’.
  2. Setup your account by filling in your registered email address and creating a password.
  3. Click ‘Pay Bill’ button at top menu to see the account/s.
  4. Click ‘Pay Now’ button to proceed.
  5. Select ‘Set auto billing (recurring) and/or ‘Save card for next time’. Then click next.
  6. Fill in your billing information and credit card details.
  7. Check all information before clicking ‘Pay’ button.
  8. For more information, please click here to view the full instructions.

For the guide to update your credit card details in the customer portal, click here.

3 . AXS Kiosks, AXS Online & AXS App 

Please visit the AXS kiosks near you or visit AXS online at or download the AXS mobile Application.

AXS Payment

  •  You may make payments at AXS kiosks, AXS online or AXS mobile application.
  • Payments can be made using the eNETS, Paylah! and major Credit / Debit Cards.

Instructions (online)

  1. Click ‘Pay Online Now’ button.
  2. Select ‘Pay Bills’ menu.
  3. Choose ‘Electricity’.
  4. Click Diamond Electric logo.
  5. Key in your Unique Payment Account Number (without ‘86053’), your contact details and the amount to pay.
  6. Proceed for payment.


Use your unique account number to transfer payment to UOB. This unique account number allows us to identify your payment, and you do not need to input payment reference details.

Unique Account Number for Internet Bank Transfer

  • In the electricity bill, you will receive a 14-digit Payment Account Number.
  • This Payment Account Number is located at the top right of each page and at the last page as shown.
  • This Payment Account Number is unique only to you.
  • Transfer to UOB and key in your Payment Account Number as the account number to transfer to.
  • When we receive your payment, it will be identified as payment for your electricity bill.
  • Save this payee so you can conveniently transfer your monthly payment to us.


Make a cheque payable to ‘Diamond Energy Merchants Pte Ltd’. On the back of the cheque, write your unique account number and drop it into any UOB cheque deposit box.

Unique Account Number for Cheque

  • On the front of the cheque, indicate ‘Diamond Energy Merchants Pte Ltd’ as the payee.
  • On the back of the cheque, indicate the 14-digit Payment Account Number (as indicated in your bill) as the account number.
  • This Payment Account Number is unique only to you.
  • Fill in ‘Diamond Energy Merchants Pte Ltd’ in the Name section.
  • Fill ‘6342 6663’ in the Contact section.
  • Once completed, please drop the cheque into any UOB cheque deposit box.

Powering Singaporean homes and businesses

Diamond Energy Merchants Pte. Ltd. 

Electricity Retail licence no. EMA/RE/009
Company registration no. 201116636
All rights reserved 2020

1 CleanTech Loop, #02-07 CleanTech One, Singapore 637141
Tel 6342 6663

For media enquiries, please contact us here