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ON Challenge Group Challenge and Actions Log (Feb 2024)
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Energy networks explained
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Open Networks
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Demand-side services
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Energy storage
Maintaining equipment and systems
Operational telecommunications
Radio teleswitch
Safety, security and environment
Cyber security
Environment
Metal theft
Powering improvement
Resilience and emergencies
Safety
SHE Management Conference
Street work
Safety campaigns
ENA accident database
Information for industry partners
Grid connections
Our action plan to improve grid connections
Ofgem Connections Delivery Board
Connecting generation
Electric vehicle and heat pump connections
Electric vehicle fleet connections
Gas network connections
Frequently asked questions
Competition in Connections (CiC) Code of Practice
Engineering and technical
Equipment interventions
Standards and guidance
Statutory information
Competition in Connections Code
Distribution Code
Engineering Document Library
National Equipment Defect Reporting Scheme (NEDeRS)
Security Incident Reporting System (SIRS)
Type Test Register
Innovation
Innovation programme
Smarter Networks Portal
For local authorities
Collaborating for local net zero
Be winter ready
For installers
Connect Direct
Information for customers
Help and support
Who’s my network operator?
Getting extra help and support
Compensation for power cuts
What are electromagnetic fields?
Public safety commitment
ThePSR.co.uk
Dealing with emergencies
What to do if there's a power cut
What to do if you smell gas
What are the signs of carbon monoxide poisoning?
Be winter ready
How to prepare for storms and bad weather
What happens during an energy shortage?
Power cut advice for care and assisted living providers
PowerCut105.com
Around your property
Building works and gas pipes
Disconnecting from the gas network
Wayleaves
Careers in energy
About ENA
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Careers at ENA
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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 Part 9
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)
Gas Transporter Documents
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