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.

Super SEL

Super SEL is utilised to directly decrease the sum of the minimum MW level or Stable Export Limit (SEL) of generators synchronized to the system by lowering the minimum generating level at a generator synchronised.

Related Documents

Please see below for a list of contracts agreed last year along with draft terms for the 2018 service.