Update on (G59/G99) National Grid Funding announced For Accelerated Loss Of Mains Protection Scheme Roll Out. This is in order to help reduce these nuisance trips, and lower the cost of the reserve generation National Grid who, along with the ENA, have stated that all sites will have to be converted from Vector Shift protection to Rate of Change of Frequency (RoCoF) by April 2022. Funding start date to be announced but can be backdated.

https://www.nationalgrid.com/sites/default/files/documents/GC0100-102%20Annex%203%20Draft%20G99_1.pdf