Engineering Technical Reports (ETR) | 001 | Issue 1 (New) | Generation Sharing Guidance
| Oct 2024 | Q2 2025 | Current | £Free | Add to Order |
Technical Specifications (TS) | 09-06 | Issue 10 (Revision) | Auxiliary multicore and multipair cables
| Jul 2024 | Q1 2029 | Current | £105.00 | Add to Order |
Technical Specifications (TS) | 43-14 | Issue 4 (Revision) | Insulated Aerial Bundled Conductors For Low Voltage Overhead Distribution Systems – Conductor Fittings and Associated Apparatus
| Jul 2024 | Q1 2034 | Current | £80.00 | Add to Order |
Technical Specifications (TS) | 43-15 | Issue 4 (Revision) | Insulator Binds and Equivalent Helical Fittings for Overhead Lines
| Jul 2024 | Q2 2029 | Current | £80.00 | Add to Order |
Technical Specifications (TS) | 35-7 | Issue 3 (Revision) | Tap-changers for system voltages up to and including 132kV
| May 2024 | Q4 2029 | Current | £80.00 | Add to Order |
Technical Specifications (TS) | 35-3 | Issue 3 (Revision) | Continuous Maximum Rated (CMR) system transformers (for use on systems up to 132 kV)
| May 2024 | Q1 2029 | Current | £105.00 | Add to Order |
Engineering Reports (EREP) | G98/99 | Issue 1 (New) | Distributed Generation Connection Guide: G98 & G99
| Mar 2024 | Q1 2025 | Current | £Free | Add to Order |
Technical Specifications (TS) | 41-18 | Issue 3 (Revision) | Partial discharge testing of bushings, capacitors, instrument transformers and switchgear of rated voltage 7.2 - 420 kV inclusive
| 2024 | Q1 2030 | Current | £45.00 | Add to Order |
Engineering Reports (EREP) | 144 | Issue 1 (New) | DNO Common Network Asset Indices Methodology V2.1: Health & Criticality
| 2024 | Q4 2028 | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | G80 | Issue 4 (Revision) | Recommendations for the safe working of utilities’ staff and other parties near light rapid transit systems
| 2024 | | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 43-103 | Issue 4 (Revision) | Low voltage overhead line shrouding materials
| 2024 | | Current | £80.00 | Add to Order |
Engineering Recommendations (EREC) | G44 | Issue 4 (Revision) | Code of practice for the coordination of power line carrier system frequencies in the range 30•0 kHz to 526•5 kHz
| 2024 | | Current | £55.00 | Add to Order |
Engineering Recommendations (EREC) | G38 | Issue 2 (Revision) | Operational procedure associated with electricity supplies for traction purposes on AC and DC electrified lines
| 2024 | | Current | £65.00 | Add to Order |
Technical Specifications (TS) | 48-2 | Issue 3 (Revision) | Fault Passage Indicators up to 132kV for Underground and Overhead Distribution Systems
| 2024 | | Current | £65.00 | Add to Order |
Engineering Recommendations (EREC) | G99 A10 | Issue 1 (New) | Issue 1 – Amendment 10
Requirements for the connection of generation equipment in parallel with public distribution networks on or after 27 April 2019
| 2024 | | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | G59/3/8 | Issue 3 (Revision) | Issue 3 - Amendment 8
Recommendations for the Connection of Generating Plant to the Distribution Systems of Licensed Distribution Network Operators
| 2024 | | Current | £Free | Add to Order |
Technical Specifications (TS) | 09-11 | Issue 3 (Revision) | Low voltage heat-shrinkable material components for use up to and including 600/1 000 V
| 2024 | | Current | £80.00 | Add to Order |
Technical Specifications (TS) | 43-13 | Issue 4 (Revision) | Aerial Bundled Conductors Insulated with Cross-Linked Polyethylene for Low Voltage Overhead Distribution
| 2024 | | Current | £20.00 | Add to Order |
Technical Specifications (TS) | 35-2 | Issue 7 (Revision) | Emergency rated system transformers 66/20.5 kV, 66/11.5 kV and 33/11.5 kV delta/star and star/star connected
| 2024 | | Current | £105.00 | Add to Order |
Engineering Reports (EREP) | 145 | Issue 1 (New) | Good Practice Guide to DNO Common Network Asset Indices Methodology V2.1
| 2024 | Q4 2028 | Current | £Free | Add to Order |
Engineering Reports (EREP) | 146 | Issue 1 (New) | DNO CNAIM V2.0: Methodology Changes Explained
| 2024 | Q4 2028 | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | G99 NI | Issue 1 (New) | Engineering Recommendation G99/NI Issue 1 – Amendment 1
7 December 2023
Requirements for the connection of generation equipment in parallel with public distribution networks in Northern Ireland on or after 27 April 2019
| Dec 2023 | Q4 2028 | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | G100 A2 | Issue 2 (Revision) | Technical Requirements for Customers’ Export and Import Limitation Schemes
| Apr 2023 | | Current | £Free | Add to Order |
Technical Specifications (TS) | 43-40 | Issue 4 (Revision) | Specification for single circuit overhead pole lines for use at high voltage up to and including 33 kV
| Mar 2023 | | Current | £185.00 | Add to Order |
Engineering Reports (EREP) | 130 | Issue 4 (Revision) | Guidance on the application of Engineering Recommendation P2, Security of Supply
| Feb 2023 | | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | P2 | Issue 8 (Revision) | Security of Supply
| Feb 2023 | | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | L9 - A1 | Issue 4 (Revision) | Structural testing of wood poles prior to climbing or use as a personal support
| Jan 2023 | | Current | £30.00 | Add to Order |
Technical Specifications (TS) | 98-1 | Issue 3 (Revision) | Environmental classification and corrosion protection of structures, plant and equipment
| Jan 2023 | | Current | £55.00 | Add to Order |
Engineering Recommendations (EREC) | L38 | Issue 4 (Revision) | Overhead line conductors - protection against corrosion by the application of anti-corrosion grease during manufacture
| 2023 | | Current | £65.00 | Add to Order |
Technical Specifications (TS) | 43-122 | Issue 2 (Revision) | Covered-conductors for overhead lines (having rated Voltages Uo/U greater than 0.6/1 kV up to and including 19/ 33 kV)
| 2023 | | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 43-91 | Issue 7 (Revision) | Stay strands and stay fittings for overhead lines
| 2023 | | Current | £80.00 | Add to Order |
Technical Specifications (TS) | 50-18 | Issue 5 (Revision) | Application of ancillary electrical equipment
| 2023 | | Current | £65.00 | Add to Order |
Technical Specifications (TS) | 48-5 | Issue 5 (Revision) | Environmental test requirements for protection and control equipment and systems
| 2023 | | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 18 | Issue 3 (Revision) | Partial discharge testing of bushings, capacitors, instrument transformers and switchgear of rated voltage 7.2 - 420 kV inclusive
| 2023 | Q1 2030 | Current | £45.00 | Add to Order |
Engineering Recommendations (EREC) | G12 | Issue 5 (Revision) | Requirements for the Application of Protective Multiple Earthing to Low Voltage Networks
| 2023 | | Current | £Free | Add to Order |
Technical Specifications (TS) | 43-119 | Issue 3 (Revision) | Design and use of temporary scaffold guards and conductor support systems
| 2023 | | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 43-12 | Issue 3 (Revision) | Insulated Aerial Bundled Conductors for Low Voltage Overhead Distribution Systems – Erection Requirements
| 2023 | | Current | £185.00 | Add to Order |
Technical Specifications (TS) | 50-19 | Issue 3 (Revision) | Standard numbering for small wiring (for switchgear and transformers together with their associated relay panels)
| 2023 | | Current | £45.00 | Add to Order |
Technical Specifications (TS) | 41-45 | Issue 1 (New) | Outdoor, free standing CTs & VTs up to 36 kV
| 2023 | | Current | £45.00 | Add to Order |
Engineering Reports (EREP) | 141 | Issue 1 (New) | Guidance on Neutral Current Diversion
| 2023 | | Current | £Free | Add to Order |
Engineering Recommendations (EREC) | G100 Summary | Issue 1 (New) | Engineering Recommendation G100 Issue 2 Overview and Summary Guide
| 2023 | | Current | £Free | Add to Order |
Technical Specifications (TS) | 09-16 | Issue 4 (Revision) | Tests on power cables with XLPE insulation and metallic sheath and their accessories, for rated voltages of 66 kV (Um = 72.5 kV), 110 kV (Um 123 kV) and 132 kV (Um = 145 kV)
| 2023 | | Current | £45.00 | Add to Order |
Technical Specifications (TS) | 43-94 | Issue 7 (Revision) | Earth rods and their connectors
| 2023 | | Current | £55.00 | Add to Order |
Technical Specifications (TS) | 37-1 | Issue 4 (Revision) | 400 V a.c. switchgear, controlgear and fusegear assemblies
| 2023 | | Current | £90.00 | Add to Order |
Technical Specifications (TS) | 37-2 | Issue 6 (Revision) | Public Electricity Network Distribution Assemblies
| 2023 | | Current | £90.00 | Add to Order |
Engineering Recommendations (EREC) | G28 | Issue 7 (Revision) | National Equipment Defect Reporting Scheme (NEDeRS®) – Notes of guidance
| 2023 | | Current | £45.00 | Add to Order |