We are looking for feedback about our new website.

System Operator Transmission Owner Code

The System Operator Transmission Owner Code (STC) defines the relationship between the transmission system owners and the system operator.

ID Name Status Last updated Sort ascending
CM059 CM059: Changes to Section C and H following OFGEM Response to Adjudication Request Current 30 Nov 2017
PM087 PM087: Updating of codes in the NGET Outage database TOGA in STCP11-2 to better reflect requirements and current process Concluded 24 Nov 2017
PM083 PM083: STCP 19-5 – Update and clarification of process for issuing an FSKN to prospective OFTOs Concluded 24 Nov 2017
PM098 ‘STCP18-4 Process Improvement Process Administration Improvements’ Concluded 29 Aug 2017
PM097 ‘STCP18-1 Process Improvement Process Administration Improvements’ Concluded 29 Aug 2017
PM096 STCP 08-2: 'Housekeeping Modification to re-insert missing diagram’ Concluded 29 Aug 2017
PM095 PM095: STCP 18-3: Process Improvement Concluded 29 Aug 2017
PM094 PM094: Amendment to STCP18-2 Process Improvement Process Administration Improvements Concluded 29 Aug 2017
CM061 CM061: This proposal seeks to modify the System Operator Transmission Owner Code (STC) to align the elections process to those in the SQSS to allow for an 'Alternative OFTO Election Process' and extend the term of office from one year to two years. Concluded 25 Jan 2017
CM062 CM062: This proposal seeks to implement the license changes to the STC arising from Ofgem's Code Governance Review (Phase 3) Concluded 11 Jan 2017