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Supporting information
and factsheets

National Grid’s commitments when undertaking work in the UK 

National Grid’s Approach to the Design and Routeing of New Electricity Transmission Lines

Our approach to Options Appraisal


The Energy Challenge
The challenge the UK faces in meeting projected energy needs over the next few decades and our role in meeting this challenge

National Grid and the Electricity Industry
Our role in the electricity industry and how we operate the electricity transmission system in England and Wales

Planning Act 2008
How companies consult with the public about major projects and our commitment to genuine and meaningful community engagement through the development of major projects

Environmental Impact Assessment
Information on how an Environmental Impact Assessment is carried out

Overhead lines
How National Grid builds and refurbishes overhead lines

How National Grid replaces, upgrades or builds new substations

Electric and Magnetic Fields (EMFs)
Information on EMFs and how our transmission network is designed and operated to ensure public safety

High Voltage Direct Current (HVDC) electricity – Technical information 
Technical information on HVDC and the situations under which we apply the technology

Electric and Magnetic Fields
Produced the by Energy Networks Association, this guide explains the research undertaken with regard to electric and magnetic fields (EMFs) and health and discusses the conclusions of that research

Our transmission infrastructure and its effect on local people, communities and the local economy