Genset Installation Certification (LT & HT)
- Home
- Genset Installation Certification (LT & HT)
Genset Installation Certification (LT & HT)
As per the requirements under the Electricity Act, every owner of the premises must obtain a generator license from the electrical inspector before the commencement of the generator installation process. The Tamil Nadu Electrical Inspectorate (TNEI) Department will issue the approval to verify the conformity of the required technical standards for commissioning the installation. In this article, let us know about the procedure for obtaining a generator installation license.
Stages Involved in Generator Installation
The following stages of compliance are involved in the commissioning of generator installation:
- Obtaining Load Sanction from the TANGEDCO.
- Obtaining a No Objection Certificate from TANGEDCO, if the proposal involves the paralleling of the Generator set with TANGEDCO’S grid.
- Obtaining the Electrical Inspectorate’s approval for the drawing proposal.
- Erection and Completion of the Electrical Works based upon the drawings approved by the Electrical Inspectorate.
- Submission of Completion Report for works completed.
- Rectification of defects pointed out after the inspection and submission of the rectification report
- Commissioning and Reporting.
- Additions and Alterations to the existing installations.
EHV, HV & MV Installation
According to the Indian Electricity Rules, the following are some of the installation types covered:
| S.No | Voltage Class | Maximum voltage under normal conditions | Variations allowed |
| 1. | Low Voltage (LV) | 250 voltage | -6% to +6% |
| 2. | Medium Voltage (MV) | 650 voltage | -6% to +6% |
| 3. | High Voltage (HV) | 33,000 voltage | -9% to +6% |
| 4. | Extra-High Voltage (EHV) | above 33,000 voltage | 12.5% to +10% |
Approving Authority
The following are the authorities will inspect and approve the installation process:
| S.No | Voltage | Concerned Authority |
| 1. | Up to 630 kVA | Electrical Inspector |
| 2. | 630 – 2500 kVA | Senior Electrical Inspector |
| 3. | Above 2500 kVA | Chief Electrical Inspector to the Government |
Documents Required for MV Generator Installation
The following are the documents required for Medium Voltage (MV) generator installation:
- The electrical Contractor’s Completion report duly filled in the prescribed form.
- List of Equipment erected with complete details of the engine, generator, control panel, cable, change over the arrangement, etc.,
- Copy of purchase bill for the generator.
- No objection Certificate from the premises owner if the EB service connection is not in the name of the applicant.
- Photocopy of EB meter card.
- Original remittance challan for the Inspection fees paid to a Government.
Documents Required for EHV & HV Installation
The following are the documents required for EHV and HV generator installation:
- An authorization letter was collected from the consumer authorizing the contractor to correspond with the Electrical Inspectorate.
- The drawings should be signed by both the consumer and the Electrical Contractor who performs the installation work.
Note: In addition to the above, the applicant has to submit the documents if required from the (TNEI) Board.
Online Procedure for Approval of Generator Installation
Follow the given steps to register for approval of generation installation:
Step 1: The applicant has to log in to the Single Widow portal.
Step 2: In the case of a new user, click on the “Register” button to register as a new user.
Step 3: After Registration, the Verification page appears automatically, the applicant has to enter the OTP received in Email or SMS.
Step 4: The required application forms for the approval of electrical installation have to be filled and submitted online.
Step 5: In case the application is incomplete, the application will be sent back into the applicant’s account, which will be communicated to the applicant through E-mail & SMS.
Step 6: The applicant has to log in to his account view the comments of the TNEI officer and submit the necessary documents.
Step 7: If the application is complete in all respects, “Application accepted” shall be communicated to the applicant.
Step 8: The inspector inspects the installation, and the inspection report is uploaded, this information is communicated to the applicant. The applicant has to log in to the respective account and download the inspection report.
Step 9: The Compliance report shall be uploaded by the applicant.
Step 10: In the case of incomplete Compliance, comments shall be communicated to the applicant.
Step 11: The compliance re-submitted by the applicant will be examined by the TNEI officer again. In case it is satisfied on verification, a “compliance report accepted” message will be communicated to the applicant.
Step 12: The approval for the installation is uploaded by the TNEI officer. This message is communicated to the applicant.
Step 13: The applicant can log in to his account and download the drawing approval certificate.
Processing Fee
The fees in respect of testing and inspection vary based on the equipment and will be notified by the Tamil Nadu Government from time to time.
Processing Time
The entire process will be completed, and the concerned authority of TNEI will approve the installation within five working days from the day of submission of the application.