The Essential Guide to Electrical Installation License in Singapore


It does not matter if you are Working with electrical installations ,industrial complexes , commercial buildings or residential developments requires you to strictly adhere to safety and regulatory standards in Singapore. One of the key requirements is holding a valid Electrical Installation Licence. This license is more than just a piece of paper it's a legal obligation and a mark of technical competence and safety compliance.

What Is an Electrical Installation Licence?

An Electrical Installation Licence - issued by the Energy Market Authority (EMA) of Singapore. It is required for any electrical installation that:-

  • Exceeds 45 kVA in approved load capacity, or
  • Is connected to the grid and used for supplying electricity in facilities such as factories, offices, malls, or large homes.


This license ensures that installations are constructed, maintained, and operated safely under Singapore's regulatory framework.

Who Needs It?
Entities or individuals who:
  • Own electrical installations above the stipulated capacity
  • Manage electrical systems in buildings or facilities
  • Carry out major electrical works that impact public safety
...must apply for this license. Not having it can lead to legal repercussions and increased liability risks in the event of electrical incidents.


Requirements for Obtaining the Licence

To be eligible for an Electrical Installation Licence in Singapore, applicants must:
  1. Engage a Licensed Electrical Worker (LEW) of the appropriate class (Grade 7, 8, or 9).
  2. Submit an application through EMA’s e-Licensing System (ELS).
  3. Provide documentation that includes:
    • Installation details
    • Load calculations
    • Single-line diagrams
    • Inspection reports
The LEW must certify that the installation is safe and meets all regulatory requirements.

Ongoing Compliance and Maintenance

An Electrical Installation Licence is typically valid for 12 months and must be renewed annually. License holders are also required to:-
  • Conduct periodic inspections
  • Report any modifications or extensions of the system
  • Maintain logs and technical documentation
  • Ensure that systems are in good working order and free of hazards

How RES Engineering Services Can Help

Navigating with the licensing process can be complex especially for organizations unfamiliar with electrical regulations. That’s where RES Engineering Services comes in. We:
  • Work with certified LEWs to assess and validate installations
  • Prepare and submit all necessary documentation
  • Conduct pre-licensing inspections and audits
  • Ensure your installation is compliant and safe


Applying for a new license or renewing an existing one, our expertise ensures a smooth, stress free experience.

Let RES Engineering Services help you with the navigation of the licensing processes and ensuring the  compliance. Contact us for expert assistance.

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