We are a separate company

On 1 April the Electricity System Operator became a legally separate company within the National Grid Group. Find out more about what this change means.

ESO Code Administrator Improvements Page

Welcome to the ESO Code Administrator Improvements Page, here you will find all the improvements that we are currently making based on feedback that you have given us and our commitments under the 

The ESO Incentive Forward Plan 2019-21  

Recently we have introduced:

Modification Tracker this has been created to provide a transparent, easily accessible information to track modification proposals across the frameworks we administer Grid Code, CUSC, STC and SQSS. The Modifications Tracker will be updated on the first working day of the month.

Frequently Asked Questions this document provides you with answers on the Code Governance process

Horizon Scanning Grid Code, CUSCSTC and CACoP provides a clear transparent view of potential code changes across the codes we administer.

Improvement Webinar this webinar provides an overview on the new tools and improvements that have been released so far

Governance webinar this webinar provides an overview on the governance process and carries out a deep dive into the life cycle of a modification. If you are pressed for time you can listen to a bitesize overview.


All of the above can be found on the Codes overview page.




Sorry, no documents found.