Revised QCO Guidelines Issued for PV Inverter Implementation

Revised QCO Guidelines Issued for PV Inverter Implementation

Vincular
3 min read

On 26th March 2025, Ministry of New and Renewable Energy MNRE has released a QCO under “Solar Systems, Devices and Components Goods Order, 2025” for Power Invertors for use in Photovoltaic Power Systems for the addition of Standard of IS/IEC 61683: 1999 (procedures for measuring the efficiency of power conditioners used in photovoltaic systems).  

Key Highlights 

  • Addition of IS/IEC 61683: 1999 (Procedure for measuring efficiency) with the existing standard IS 16221 (Part 2): 2015/ IEC 62109-2: 2011.
  • The last date of implementation of the new standard is 27 July 2025.
  • Power inverters for photovoltaic systems must be tested as per IS/IEC 61683:1999, with a separate test report provided.

Implementation of revised QCO 

For existing Licensees: 

  • Licensees have to implement the revised standard before the last date.
  • For already registered models Licensee should apply online through the “Standard Revision/ Amendment/ Essential Requirement” module and submit the test reports IS/IEC 61683: 1999 for each lead model and covering the series model, declaring the efficiency for each model lead and series.
  • The applicable fees for license scope extension under BIS Regulations, 2018, will be charged as per the prescribed norms, covering the application and additional test reports.
  • BIS will issue a letter for all the models indicating compliance upon successful implementation of IS/IEC 61683:1999. 
  • The registered models not complying with IS/IEC 61683:1999 after the implementation date will be deleted from the scope, and the license shall be applicable for expire.

For new Applicants 

  • New applications may be submitted with a test report of IS/IEC 61683: 1999 in addition to a test report as per IS 16221 (Part 2): 2015  
  • New applications without a test report under IS/IEC 61683:1999 will be accepted until 27 July 2025, with a declaration from applicants to implement the revised QCO within the stipulated timeline.
  • After 27 July 2025, no new licenses will be granted without compliance with the new QCO. 

The Standard Mark for Power Inverters for use in Photovoltaic Power Systems is given below for reference.  

The official notification can be accessed here 

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