GSR025: Updating the SQSS to reflect the recent modification to Engineering Recommendation P28

Purpose of Modification:

This proposal seeks to modify the NETS SQSS to update "Maximum Voltage Step Changes Permitted for Operational Switching" diagram to accommodate the modification to Engineering Recommendation P28.


Modification status: Current - Authority decision - to be implemented 1 April 2021

Last updated: 10 December 2020

This modification was raised by:

National Grid in September 2018

The impact of this modification is on:

Transmission Owners



Workgroup meetings and summary papers

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Workgroup consultation

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Draft/final modification report