GSR027: Review of the NETS SQSS Criteria for Frequency Control that drive reserve, response and inertia holding on the GB electricity system

Modification status: New Proposal

This modification was raised by:

National Grid ESO

Purpose of Modification:

This modification is required to address the specific actions from the Energy Emergency Executive Committee (E3C) and Ofgem final reports into the power outage of 9th August 2019 for the ESO to review, in consultation with industry, the NETS SQSS requirements that drive reserve, response and inertia holding on the GB electricity system.

The impact of this modification is on:

High Impact: National Grid ESO, Consumers (and consumer organisations)
Medium Impact: Generators, Interconnectors, Network Operators
Low Impact: Transmission Owner companies