Our Industry hub is the place to access more technical or detailed information and resources.
Our Databases page contain a collection of industry-specific databases sometimes referred to as 'portals'. Here you will be able to access technical industry information, as well as our accident reporting databases and innovation portals.
Our Resource library hosts a collection of around 500 files which are publicly available. These range from technical specifications to guidance documents and some meeting minutes where there is a requirement for these to be published.
- Databases
- Resource library
- The Gas Goes Green programme 2023 work roadmap
- G99 Form B3
- G99 Form C2.1
- G99 Form C2.2
- G99 Form C3
- G99 Form D1
- Angler Safety and Risk Assessment (30 m Angling Exclusion Zone)
- Angling Guidance Sheet
- Angler Safety and Risk Assessment (overhead power lines)
- Fish Safe A5 Flyer
- Fish Safe Sticker
- Angling Guidance for Anglers
- Angling Guidance for Management
- Angling Guidance for Planning Authorities
- Look Out, Look Up! Campaign Toolkit 2018
- Farmers & Agricultural Contractors Safety Advice
- Mechanical Plant Safety Advice
- Electricity Around Your Home Public Safety Leaflet
- Emergency Services Public Safety Leaflet
- General Trade and Maintenance Public Safety Leaflet
- Leisure Activities Public Safety Leaflet
- Look Out, Look Up! Public Safety Leaflet
- Watch Out, Cables About! Public Safety Leaflet
- Electric and Magnetic Fields Facts
- Electric and Magnetic Fields Information
- Electric and Magnetic Fields Networks Training
- Phasing of UK Overhead Power Lines Report
- Industry Health Outcomes National Survey
- Control of Electromagnetic Fields at Work Regulations 2016 (Risk Assessment)
- OHAG Guidance Note 1.1 Occupational Health in the Electricity Industry
- OHAG Guidance Note 1.2 Role of Occupational Health in Sickness Absence Management
- OHAG Guidance Note 1.3 Equality Act
- OHAG Guidance Note 1.4 Workplace rehabilitation
- OHAG Guidance Note 1.5 Automated External Defibrillators
- OHAG Guidance Note 1.6 Health surveillance
- OHAG Guidance Note 2.1 Stress
- OHAG Guidance Note 2.2 Management of back pain in the Electricity Industry
- OHAG Guidance Note 3.1 Working in Adverse thermal Environments
- OHAG Guidance Note 3.2 Working in confined spaces
- OHAG Guidance Note 3.3 Night work
- OHAG Guidance Note 3.4 Fitness to work at Heights
- OHAG Guidance Note 3.5 Fitness for Wind Turbine Working - web site
- OHAG Guidance Note 4.1 Noise and Vibration
- OHAG Guidance Note 4.2 Upper Limb Disorders
- OHAG Guidance Note 4.3 Biomass
- OHAG Guidance Note 4.4 Call Centre Working
- OHAG Guidance Note 4.5 Asthma in the Electricity Industry
- EMF - Design and Management of Low Voltage Distribution Networks Guidance (EREC G92)
- G98 Distributed Generation Connection Guide (Multiple Premises)
- G98 Distributed Generation Connection Guide (Single Premises)
- G98 Connecting Domestic-Scale Type Tested Generation Summary Guide (Single Premises)
- G99 Connecting Type A Power Generating Modules Guide
- G99 Connecting Type B - D Power Generating Modules Guide
- G99 Type A summary
- G99 Types B-D summary
- Energy Delivery Systems Cyber Security Procurement Guidance
- Smart Meters - Electricity Network Operator Configurations (EREC M30)
- Smart Meters - How to Report Gas Asset Condition Issues (GER1)
- Smart Meters - How to Report Common Gas Issues (GER2)
- Smart Meters - Top 5 Gas Smart Meter Interventions (GER4)
- Smart Meters - Correct Reporting of Exposed PE Pipe (GER5)
- ON18-WS3-FW Open Networks Models User Guide
- SAGE First Interim Assessment Guide
- Ecological and Archaeological Management Best Practice Guide
- Steel Lattice Tower Refurbishment Good Practice Guide
- ENA and Environment Agency Partnership Agreement
- Health and Wellbeing Framework
- Powering Improvement Occupational Health Delivery Plan 2010
- Cut-Out Rating Guidance to Electric Vehicles or Heat Pumps Installers
- Low Carbon Technologies User Guidance for Heat Pump Database Submission
- Switchgear Assessment Panel Notice of Conformity List
- Protection Assessment Panel Notice of Conformity List
- Electricity Supply Emergency Code
- Electric Vehicle Charge Points and Heat Pumps Combined Installation Process Flow Chart
- Accelerated Loss of Mains Change Programme Assessment Flow Chart
- ON18-WS3-FW DSO Future Worlds - Least Regrets Tables
- ON19-WS1B-P4 Enhanced Schedule 11
- ON19-WS1B-P4 Schedule 5 Enhanced Node Data
- Low Carbon Technologies Heat Pump and Electric Vehicle Network Operator Contacts
- ON17-WS2 Customer Information Requirements
- ON17-WS2-P3 Customer Journey (New or Modified Connections)
- ON17-WS2-P3 Customer Journey (Post-connection)
- ON18-WS2-P1 Pre Application Good Practice
- ON19-PRJ-PID PID Consultation Summary and Actions
- ON20-WS1A-P5 DSO Revenue Stacking
- ON20-WS2-P2 Contracted Connections Queue Management Consultation Document
- ON19-WS3-P5 Introductory Slides - Innovation Trials Mapping
- ON18-WS1A Flexibility Commitment 2018
- ON19-WS1A Open Networks Flexibility Commitment - Steps for Delivering Flexibility Services 2019
- ALoMCP Public Issues Log
- ALoMCP General FAQs
- ALoMCP Contractual Terms and Conditions
- ALoMCP Delivery Assurance Policy
- ALoMCP Payment Process Specification
- ALoMCP Technical FAQs
- ALoMCP Protection Support Organisations
- ON21-WS3-P1 DSO Implementation Plan Appendices - detailing DSO functions (31 Mar 2021)
- ON19-WS3-FW Final Future World results
- ON19-WS3-FW Final Future World results - Sensitivity
- ON19-WS3 Impact Assessment on Future DSO Worlds (Benefits)
- ON19-WS3-FW DSO Transition - Integrated World Costs
- ON19-WS3 Impact Assessment on Future DSO Worlds (Costs)
- Smart Meters - Benefits for Demand Response Based Control of Distribution Networks
- Smart Meters - Data Aggregation Benefits Reduction
- Smart Meters - Data Aggregation Executive Summary
- Smart Meters - Data Aggregation Assessment Final Report
- Smart Meters - Functional Requirements for Electricity Smart Meters
- Smart Meters - High Level Cost Benefit Analysis Summary
- Smart Meters - High Level Cost Benefit Analysis
- Smart Meters - High Level Data Traffic Analysis
- Smart Meters - Consumer Attitudes to Half Hourly Consumption Data
- Smart Meters - Opportunities for Demand Response
- Smart Meters - Strategic Issues and Action Planning for Demand Response
- Smart Meters - Privacy Impact Assessment of Networks Using Smart Meter Data
- Smart Meters - Security and Privacy Control Points
- Smart Meters - System Use Cases
- Trading of Non-firm DG Curtailment Obligations & Exchange of Access Rights Report
- ON17-PRJ 2017 End of Year Report
- ON17-WS1-P7 Statement of Works Customer Journey
- ON17-WS1-P7 Statement of Works Data Template
- ON17-WS2 Customer Category Descriptions
- ON17-WS2 Information on Distribution Connection Options
- ON18-PRJ 2018 End of Year Report
- ON18-PRJ 2018 End of Year Report Summary
- ON18-PRJ 2018 Project Initiation Document (Post-Consultation)
- ON18-WS1-P11 Flexible Resources Connection Guide
- ON18-WS1-P7 ANM Curtailment Process and Good Practice Guide
- ON18-WS2-P1 Good Practice ahead of Connection Applications
- ON18-WS2-P4 Good Practice for information provision on Flexibility Services
- ON18-WS2-P6 Guidance on post-connection changes
- ON18-WS3 DSO Transition Pathway - Least Regrets Analysis 2019 PID Input
- ON18-WS3 Modelling DSO transition using the Smart Grid Architecture Model
- ON18-WS3-P2 DSO Functional & System requirements (SGAM Modelling)
- ON19-PRJ Open Networks 2019 End of Year Report
- ON19-PRJ 2019 Project Initiation Document (Post-Consultation)
- ON19-PRJ Open Letter to Ofgem & BEIS
- ON19-WS1A-P1 Flexibility Market Principles
- ON19-WS1A-P3 Flexibility Services - Dispatch and Settlement Processes
- ON20-WS1A-P5 Conflict Management & Cooptimisation DSO Services - Final Report
- ON19-WS1B-P4 Proposals for Implementation of Exchange of Network Planning Data (planning timescales)
- ON19-WS1B-P4 Exchange of Network Planning Data (planning timescales) Data Scope - Final Report
- ON19-WS3 DSO Transition Future Worlds Impact Assessment Report
- ON19-WS3 DSO Transition - Future World Impact Assessment Report (independent assessment)
- ON19-WS4 Whole Energy Systems 2019 activity - Final Report
- ON20-PRJ Open Networks 2020 PID Consultation Detailed Comments and Responses
- ON20-PRJ Open Networks 2020 Workplan Consultation Summary
- ON20-PRJ 2020 Project Initiation Document (Post-Consultation)
- ON20-WS1B-P5 Network Capacity Indications Survey - Final Report
- ON19-WS3-P5 DSO Transition Mapping - Innovation Trials Final Report
- ON20-WS4-P3 Gas input to Whole System FES Phase 1 Report
- ON20-WS4-P6 Data for Capacity Mapping
- Public Safety Annual Review 2019
- SAGE First Interim Assessment Precautionary Approaches to ELF EMFs
- Health and Safety Issues Eurelectric Report 2014
- Health & Wellbeing Framework Position Paper 2017
- Smart Meters - System Requirements Update
- Smart Meters - Data Traffic Analysis
- Gas and Electricity Network Innovation Strategy 2020 (Summary)
- Electricity Network Innovation Strategy 2020
- Gas Network Innovation Strategy 2020
- Electricity Network Innovation Strategy 2018
- Gas Network Innovation Strategy 2018 (Summary)
- Gas Network Innovation Strategy 2018
- Networks Innovation Strategies 2020 Stakeholder Engagement (Survey)
- Networks Innovation Strategies 2020 Stakeholder Engagement (Workshop)
- ENA Public Safety Commitment 2020-2022
- Powering Improvement Industry Strategy 2020-2025
- Gas Goes Green Launch Document - April 2020
- Gas Goes Green Advisory Group May 2020 - Meeting Slides
- Gas Goes Green Advisory Group May 2020 - Minutes
- Gas Goes Green Advisory Group May 2020 - Poll Results
- Gas Goes Green Advisory Group May 2020 - Responses to Questions
- Gas Goes Green webinar on the Green Gas Support Scheme - slides
- Gas Goes Green webinar on the Green Gas Support Scheme - Questions
- Gas Goes Green Zero Carbon Commitment - May 2020
- Gas Goes Green Hydrogen Cost to Customer Report - May 2020
- Gas Goes Green webinar supporting IGEM’s peer review consultation for gas quality and changes to GS(M)R - slides
- Gas Goes Green Webinar supporting IGEM’s peer review consultation for gas quality and changes to GS(M)R - responses
- Gas Goes Green webinar exploring hydrogen deblending - slides
- Gas Goes Green webinar exploring hydrogen deblending - speaker biographies
- Gas Goes Green webinar exploring hydrogen deblending - poll results
- Pathways to Net Zero: Decarbonising the Gas Networks in Great Britain
- Network Hydrogen 2020 Project Updates (Mar)
- Network Hydrogen 2020 Project Updates (Apr)
- Network Hydrogen 2020 Project Updates (Jul)
- GIS/C5:2018 Distribution pipe fittings cast in grey cast iron for use up to 7 bar maximum operating pressure
- GIS/C6:2006 Distribution pipe fittings cast in ductile iron for use up to 7 bar maximum operating pressures
- GIS/C8:2006 Distribution split tee and collar pipe fittings cast in grey or ductile iron for use up to 7 bar maximum operating pressures
- GIS/E1:2006 Combined drilling, tapping and service fitting insertion machines for use up to 2 bar
- GIS/E13.1:2019 Gas Filters (80mm Nominal Size and Above) Suitable for Use In the Pressure Range
- GIS/E17-2:2018 Insulation joints, Part 2: Joints operating at pressures not greater than 7 bar
- GIS/E19:2006 Primary iris stop bags
- GIS/E20:2013 Secondary iris stop bags
- GIS/E22:2006 Vehicle-mounted leakage survey equipment — Minimum performance and maintenance requirements for equipment used for winter and trigger surveys
- GIS/E4 Inflatable, Self-Centring Bag Stoppers for Use On Distribution Mains
- GIS/E48:2006 Polyethylene service line tracing equipment
- GIS/E49:2019 Specification for polyethylene (PE) coil trailers, including polyethylene pipe coil trailers capable of safely storing, transporting and dispensing pipe in the
- GIS/E5:2013 Pipe cutting wheels for hand-operated wheeled pipe cutters
- GIS/E58:2006 Gland seals for insertion of polyethylene pipe into low pressure metallic gas mains
- GIS/E59:2006 Foam plug flow stop devices for LP and MP gas mains and services
- GIS/E6 Vaporizers and Foggers for Joint Sealing On Gas Mains
- GIS/EFV1:2006 Flow limiters for polyethylene services operating at pressures above 75 mbar and not exceeding 2.0 bar and for gas flows not exceeding 6 m3h-1
- GIS/F17:2023 In-pipe close fit lined mains connection fittings
- GIS/F2:2013 Main sealing plugs and service connection fittings for use at pressures not greater than 2 bar
- GIS/F7:2006 Specification for steel welding pipe fittings 15mm to 450mm inclusive nominal size for operating pressures not greater than 7 bar
- GIS/F9:2020 Metric and Imperial Stainless Steel Single and Twin Ferrule Compression Fittings
- GIS/GQ7:2006 Specification for equipment for odour intensity monitoring
- GIS/L2 Steelpipe 21.3 mm to 1219 mm Outside Diameter Up to 7 Bar (Supplementary)
- GIS/LC12:2006 Sealant Systems for Joint Repair on Metallic Distribution Pipe Systems (Minor Roads and Footpaths)
- GIS/LC14 Annular Gap Sealants
- GIS/LC25:2006 External Sealant Injection Systems for Joint Repair on Metallic Distribution Pipe 2 Bar or Less
- GIS/LC8-1:2006 Methods of repairing leaking ferrous gas mains, Part 1 - External systems (excluding joint and pipe clamps).
- GIS/LC8-3:2006 Methods of repairing leaking ferrous gas mains, Part 3 - Internal sealing methods
- GIS/LC8-4:2006 Methods of repairing leaking ferrous gas mains, Part 4: Pipe repair clamps, split collars and under pressure branch connections
- GIS/LC9:2006 Specification for methods of repairing joints on screwed pipework
- GIS/PL2-5:2018 Polyethylene pipes and fittings for natural gas and suitable manufactured gas, Part 5: Electrofusion ancillary tooling
- GIS/PL2-4:2019 Polyethylene Pipes and Fittings for Gas Part 4 - Fusion Fittings with Integral Heating Element(s)
- GIS/PL2-6:2018 Polyethylene pipes and fittings for natural gas and suitable manufactured gas, Part 6 - Spigot end fittings for electrofusion and/or butt fusion purposes
- GIS/PL2-7:2013 Polyethylene pipes and fittings for natural gas and suitable manufactured gas, Part 7: Squeeze-off tools and equipment
- GIS/PL2-9:2019 Polyethylene Pipes and Fittings for Natural Gas and Suitable Manufactured Gas
- GIS/SER6:2006 Live Riser Transfer Technique
- GIS/TE/D1.2:2006 Non-tap mains sealing plugs for use in access holes from 2 in to 6 in diameter and for use up to 2 bar MOP
- GIS/TE/D1.3:2006 Holesaws and holesaw taps for use on gas pipes with operating pressures not greater than 2 bar
- GIS/TE/E1.7:2006 Tooling for the removal of caps and plugs from live low pressure services
- GIS/TE/E1.8:2006 Access tool for live entry into a low pressure polyethylene service
- GIS/TE/E1.9:2006 Live mains abandonment equipment for low pressure mains
- GIS/TE/P6.1:2006 Bypass equipment with integral pressure monitoring points for MP PE mains
- GIS/V12:2006 Sealant replacement for valves operating up to and including 2 bar
- GIS/V4:2007 Service isolation valves up to 50 mm diameter for use up to 2 bar maximum working pressures
- GIS/V7-2:2020 Specification for distribution valves, Part 2: Plastics bodied valves of sizes up to and including 180 mm suitable for operation at pressures not exceeding 5.5 bar
- GIS/V9 Part 1 Slamshut Valves for Governor Installations with Inlet Pressures (Spring Operated Diaphragm Type)
- Network Operator Common Network Asset Indices Methodology
- Common Network Asset Indices Methodology Proposed Modifications for RIIO-ED2
- Proposed CNAIM Methodology Changes Explained
- SHE 2019 Presentation Conference Keynote
- SHE 2019 Presentation Human Factors – Company view
- SHE 2019 Presentation Human Factors – Trade Union view
- SHE 2019 Presentation Powering Improvement 2019 – HSL Research Study
- SHE 2019 Presentation Training & Skills
- SHE 2019 Presentation Safety Culture & Behaviours
- SHE 2019 Presentation Environmental Management
- SHE 2019 Presentation Caithness-Moray Project
- SHE 2019 Presentation Public Safety – Organisational Response
- SHE 2019 Presentation Occupational Health – Good Business Sense
- SHE 2019 Presentation Balfour Beatty Transmission & Distribution Project
- SHE 2019 Presentation DSO & Innovation
- SHE 2019 Presentation DSO & Innovation 2
- Guide to the SAGE First Interim Assessment
- Control of Electromagnetic Fields at Work Regulations 2016
- Electric and Magnetic Fields (EMFs) website
- New Exposure Limits Training Video for Electric and Magnetic Fields (EMFs)
- Equipment interventions
- Engineering and technical programmes
- Standards and guidance
- Statutory information