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Researching your connection
Before you submit an application to connect to the electricity transmission system, please consider your connection requirements, such as:
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Our ConnectNow Research Assistant tool was created to help with your connection research. It shows you potential locations that could meet your needs and an estimated cost of the connection.
Once you have considered your options, you may have questions related to the connections process. We can arrange a 'pre-application meeting' with you, involving the ESO Contract Manager, ET Customer Account Manager and Feasibility Engineer. Please fill out the enquiry form within the Connect Now Research Assistant Tool and a member of the team will be in touch with you.
*Please note that we are currently receiving a high volume of pre-application meeting requests. Thank you for your patience.
Customer checklist
- Do you know the technical scope of your connection e.g. your connection size?
- Do you know if your project has planning consents requirements?
- Do you understand the costs of your connection?
- Have you looked at the ESO Connection Registers to understand existing network connections?
If you have answered no to any of these questions, please make an enquiry.
Feasibility study
Before you apply for a connection, we offer the opportunity to carry out a detailed assessment of your connection options.
You will receive a technical report for your company that provides detail on the agreed scope, key findings and our recommendations.
The cost of the study varies according to the size of the work required and any engineering services required to carry it out.
To find out more about the process, download our Feasibility Studies leaflet.
Request a study
Stage 2 of the connection process
Go to the next stage, applying to connect.
Supporting information
Have you got a question about this stage?
If you’re applying to connect to the transmission system in England and Wales, then our handy guide will help you complete your National Grid ESO application form.
Take a look at this document that explains the costs surrounding your application fee.