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 |
|---|---|
| Complete STC - 21 January 2026 | 21 Jan 2026 |
| STC Index of Revisions v28 | 21 Jan 2026 |
| Section J - Interpretation and Definitions v32 | 21 Jan 2026 |
| Section D - Planning Co-ordination v18 | 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 16-1 Issue 014 Investment Planning | 11 Mar 2026 |
| STCP 01-1 Issue 016 Operational Switching | 12 Feb 2026 |
| STCP 13-1 Issue 016 Invoicing and Payment | 12 Feb 2026 |
| STCP 13-2 Issue 005 SIF and LARF Methodology | 12 Feb 2026 |
| STCP 14-1 Issue 017 Data Exchange for Charge Setting | 12 Feb 2026 |
| STCP 18-1 Issue 017 Connection and Mod Application | 12 Feb 2026 |
| STCP 18-5 Issue 003 CATO-TO Connections | 12 Feb 2026 |
| STCP 19-7 Issue 003 CATO-TO Connections Operational Notification & Compliance Testing | 12 Feb 2026 |
| STCP 19-2 Issue 011 Construction Process & Scheme Closure | 21 Jan 2026 |
| STCP 26-1 Issue 004 Active Network Management | 26 Nov 2025 |
STC Application Documents
| Name | Published |
|---|---|
| STC Accession Agreement | 1 Oct 2024 |
| STC Party Entry Process STCP23-1 | 1 Oct 2024 |
| STC Accession Application Form v1.0 | 13 Aug 2015 |
| STC Framework Agreement | 13 Aug 2015 |