Engineering Recommendations (EREC) | P35 | Issue 1 (New) | Guidelines for Whole Electricity System Investment Planning
| Mar 2021 | Q1 2025 | Current | £Free | Add to Order |
Technical Specifications (TS) | 12-24 | Issue 4 (Revision) | Technical specification for plastic ducts for buried electric cables
| Feb 2021 | Q1 2025 | Current | £65.00 | Add to Order |
Technical Specifications (TS) | 41-47 | Issue 1 (New) | Pole Mounted, Non-Enclosed: Switch Disconnectors, Disconnectors, Earthing Switches, Fuse Switches (Expulsion fuses), Solid Links and Automatic Sectionalising Links (ASLs)
| Feb 2021 | Q1 2025 | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 43-88 | Issue 7 (Revision) | Selection and treatment of wood poles and associated timber for overhead lines
| Feb 2021 | Q1 2025 | Current | £80.00 | Add to Order |
Engineering Recommendations (EREC) | G9 | Issue 8 (Revision) | Voltage testing devices
| Feb 2021 | Q1 2025 | Current | £45.00 | Add to Order |
Engineering Recommendations (EREC) | S41 | Issue 1 (New) | Guidance on transferred voltages from earthing systems
| Feb 2021 | Q1 2025 | Current | £55.00 | Add to Order |
Engineering Recommendations (EREC) | G79 pt 2A | Issue 3 (Revision) | Guide to the assessment of power system products for use by the ENA Member Companies
Part 2A: Procedure for the conformity assessment of switchgear products
| Jan 2021 | Q4 2025 | Current | £65.00 | Add to Order |
Engineering Recommendations (EREC) | G79 pt 2D | Issue 3 (Revision) | Guide to the assessment of power system products for use by the ENA Member Companies
Part 2D: Procedure for the conformity assessment of protection products
| Jan 2021 | Q4 2025 | Current | £65.00 | Add to Order |
Technical Specifications (TS) | PO5 A1 | Issue 5 (Revision) | Protection of telecommunication lines from power lines (2018) Amendment 1 (2020)
| Jan 2021 | Q1 2026 | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 35-7 | Issue 2 (Revision) | Tap-changers for system voltages up to and including 132 kV
| Nov 2020 | Q4 2025 | Current | £80.00 | Add to Order |
Technical Specifications (TS) | 37-4 A1 | Issue 1 (New) | Multi Service Distribution Boards + Amendment 1 2020
| Sep 2020 | Q3 2025 | Current | £45.00 | Add to Order |
Engineering Recommendations (EREC) | G79 Part 1 | Issue 3 (Revision) | Guide to the assessment of power system products for use by ENA Member Companies
Part 1: Common principles for the conformity assessment of products
| Sep 2020 | Q3 2025 | Current | £45.00 | Add to Order |
Technical Specifications (TS) | 12-23 | Issue 4 (Revision) | Technical Specification TS 12-23 Issue 4 2018 + Amendment 1 2020
Plastics warning tape, polyethylene protection tape, polyethylene protection tiles, and cable route marker posts for buried electricity supply cable
| Aug 2020 | Q3 2025 | Current | £55.00 | Add to Order |
Engineering Recommendations (EREC) | C98 | Issue 2 (Revision) | MV Cables Crossing Bridges - Physical Protection and Current Ratings
| Aug 2020 | Q3 2025 | Current | £65.00 | Add to Order |
Engineering Recommendations (EREC) | G136 | Issue 1 (New) | Vegetation management near electricity equipment - principles of good practice
| Jul 2020 | Q3 2025 | Current | £125.00 | Add to Order |
Engineering Recommendations (EREC) | G74 | Issue 2 (Revision) | Procedure to meet the requirements on IEC 60909 for the calculation of short-circuit currents in threephase AC power systems Effective from 1st July 2021
| Jul 2020 | Q3 2025 | Current | £55.00 | Add to Order |
Engineering Reports (EREP) | 131 | Issue 3 (Revision) | Analysis package for assessing the security contribution from distributed generation and electricity storage systems – Users’ guide
| Jun 2020 | Q2 2025 | Current | £Free | Add to Order |
Engineering Reports (EREP) | 131 Attach | Issue 3 (Revision) | Analysis Package For Assessing Generation Security Capability - Users' Guide
| Jun 2020 | Q2 2025 | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | G5 | Issue 5 (Revision) | Harmonic voltage distortion and the connection of harmonic sources and/or resonant plant to transmission systems and distribution networks in the United Kingdom
| Jun 2020 | Q2 2025 | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | P27 | Issue 2 (Revision) | Current rating guide for high voltage overhead lines operating in the UK distribution system
| May 2020 | Q2 2025 | Current | £30.00 | Add to Order |
Engineering Reports (EREP) | 127 | Issue 3 (Revision) | Application of electrical, electronic, and programmable electronic systems in safety-related systems in the electricity industry
| Mar 2020 | Q1 2025 | Current | £90.00 | Add to Order |
Technical Specifications (TS) | 41-41 | Issue 1 (New) | Ground Mounted Distribution Substation 12 to24 kV Rated RMU & Extensible Switchgear
| Mar 2020 | Q2 2025 | Current | £110.00 | Add to Order |
Engineering Reports (EREP) | G39 | Issue 3 (Revision) | Electrical safety in the planning, installation, commissioning and maintenance of public lighting and other street furniture
| Mar 2020 | Q2 2025 | Current | £55.00 | Add to Order |
Engineering Recommendations (EREC) | G54 | Issue 2 (Revision) | Operational procedures for aerial inspection of overhead lines in the ESI
| Mar 2020 | Q2 2025 | Current | £55.00 | Add to Order |
Engineering Recommendations (EREC) | G84 | Issue 3 (Revision) | Recommendations for the connection of mobile Generating Sets to public distribution networks
| Mar 2020 | Q1 2025 | Current | £110.00 | Add to Order |
Engineering Recommendations (EREC) | G93 | Issue 2 (Revision) | Guidance on the management of fused neutral cut-out
| Mar 2020 | Q2 2025 | Current | £45.00 | Add to Order |
Engineering Recommendations (EREC) | G99-6 | Issue 1 (New) | Issue 1 Amendment 6
Requirements for the connection of generation equipment in parallel with public distribution networks on or after 27 April 2019
| Mar 2020 | Q1 2025 | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | S33 | Issue 2 (Revision) | Switchgear current ratings at reduced ambient temperature
| Mar 2020 | Q1 2025 | Current | £30.00 | Add to Order |
Technical Specifications (TS) | 41-43 | Issue 1 (New) | Withdrawable Retrofit Ground Mounted 12 kV to 36 kV Rated Indoor Circuit-breakers
| Feb 2020 | Q1 2025 | Current | £80.00 | Add to Order |
Engineering Recommendations (EREC) | EB/TP | Issue 3 (Revision) | Engineering Recommendation for Telecommunication Providers and Distribution Network Operators Joint Use of Poles
| Jan 2020 | Q1 2025 | Current | £90.00 | Add to Order |
Technical Specifications (TS) | 35-1 | Issue 7 (Revision) | Distribution transformers Part 1 Common clauses
| 2020 | Q3 2025 | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 48-6-2 | Issue 2 (Revision) | Functional Test Requirements Line Differential Protection
| 2020 | Q3 2025 | Current | £45.00 | Add to Order |
Technical Specifications (TS) | 48-6-5 A1 | Issue 2 (Revision) | Functional Test Requirements – Voltage Protection + Amendment 1 2020
| 2020 | Q3 2025 | Current | £45.00 | Add to Order |
Technical Specifications (TS) | 48-6-8 A1 | Issue 2 (Revision) | Functional Test Requirements – Frequency Protection + Amendment 1 2020
| 2020 | Q3 2025 | Current | £55.00 | Add to Order |