GC0110: LFSM-O compliance requirements for Type As and B PGMs

To update the Grid Code and G99 with revised text for limited frequency sensitive mode- overfrequency compliance so that manufacturers have clear pass/fail criteria for limited frequency sensitive mode-overfrequency compliance.

Modification status: Concluded

Last updated: 20 February 2020

This modification was raised by:

Centrica PB Ltd in April 2018

The governance route for this modification is:


The impact of this modification is on:

Manufacturers, installers and owners of Type A and B power generating modules connected to both distribution and transmission systems; DNOs.

The modification is currently at:

Code Administration Consultation