GC0159: Introducing Competitively Appointed Transmission Owners

This modification aims to introduce the concept of Competitively Appointed Transmission Owners (CATOs) to the Grid Code to enable Onshore Network Competition for the design, build and ownership of Onshore Transmission assets.

Modification status:
Current - Draft Final Modification Report
Last updated:
20 November 2024

Code Administrator Contact: Catia Gomes - [email protected]

Governance Route:  Standard Governance

Impacts:  High impact - NGESO, Transmission Owners, CATOs (by introducing CATO arrangements) 

Code modification proposed by:
Stephen Baker

Documents