STC Code Documents

All documents relating to the STC are available here to download. Including the latest version of the code itself, in full, and details of any revisions.

For more information about the code, please contact [email protected]

STC Documents

Name Published
Section D - Planning Co-ordination v18 24 Sep 2025
Complete STC - 10 June 2025 24 Sep 2025
STC Index of Revisions v27 24 Sep 2025
Section J - Interpretation and Definitions v31 24 Sep 2025
Section G - General Provisions v12 24 Sep 2025
Section F - Communications and Data v8 24 Sep 2025
Section B - Governance v26 24 Sep 2025
Schedule 15 – Transmission Interface Agreement v5 24 Sep 2025
Schedule 13 - The Company Requests for Transmission Evaluations v8 10 Jun 2025
Section C - Transmission Services and Operations v13 8 Apr 2025

STC Procedures

Name Published
STCP 26-1 Issue 004 Active Network Management 26 Nov 2025
STCP 19-5 Issue 009 Offshore Compliance Process Testing 26 Nov 2025
STCP 19-3 Issue 016 Operational Notification and Compliance Testing 26 Nov 2025
STCP 06-2 Issue 009 De-synchronised Island Management 26 Nov 2025
STCP 14-2 Issue 007 Data Requirements for Charging Consultations 26 Nov 2025
STCP 14-1 Issue 016 Data Exchange for Charge Setting 26 Nov 2025
STCP 09-2 Issue 008 Site Public and Environmental Safety Issue 26 Nov 2025
STCP 04-4 Issue 008 Provision of Asset Operational Information 26 Nov 2025
STCP 04-2 Issue 009 Real Time Datalink Management 26 Nov 2025
STCP 27-1 Issue 004 System Performance Monitoring 26 Nov 2025