National Grid owns and manages the high voltage electricity network in England and Wales, which connects homes and businesses to the energy they need.

The network was built in the 1960s, and now needs some work to reinforce the network and connect new sources of energy.

National Grid wants to build a 400kV electricity overhead transmission line in East Anglia, running from Norwich to Tilbury. It also wants to build a new substation in Tendring to connect new offshore wind projects close to the coast. Part of the proposed new transmission line is planned to go through the rural north and west of Chelmsford.

You can read more about the project.

The planning process

The project is classed as a Nationally Significant Infrastructure Project. This means the Secretary of State needs to approve it, through a Development Consent Order. We are a consultee in this process.

National Grid held a non-statutory consultation, from April to June 2022. It will use the responses to develop more detailed proposals, which it will consult on further in the future.

If you have any queries, or wish to talk to someone about the consultation, you can email or call 0800 151 0992.

You can find out more about the Development Consent Order process.

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