We are becoming a separate company

In April 2019, the Electricity System Operator is becoming a separate company within the National Grid Group. Find out more about what this change will mean.

Fast reserve

Fast reserve provides rapid and reliable delivery of active power through increasing output from generation or reducing consumption from demand sources.

Potential providers must succeed in a pre-qualification assessment and sign onto a framework agreement. Providers will then be given a login for the electronic tender platform, where they can submit their tenders for the fast reserve service.

The following documents provide further details.