Document library

Available to our current UIP and ICP partners, our document library collects our technical documents and policies in one place, so you can find what you need as quickly and easily as possible.

If you don’t yet have access to our portal, please email us at and we’ll send you an invitation.

Go to ESP web portal

License and regulatory statements

For further information on our Licence and Regulatory Statements, please click here.


Working near our assets

We are committed to ensuring everyone working on our networks, or near our plant and equipment stays safe.

Before you start work, visit Linesearchbeforeudig and log in to request free plans of our assets and infrastructure in the area, including pipes, cables and equipment.

Make sure you also follow safe digging practices according to the Health and Safety Executive’s ‘Avoiding danger from underground services’ guide (publication HSG 47). Always assume utility plant and equipment is live.

Request an electricity connection

To apply for an electricity connection point, please complete our application form.

Please make sure you complete all the relevant sections, or we may put your application on hold or return it to you.

If you have any questions about the form or your application, please contact us at

Electricity connection application form

Electricity generation

Distributed generation requirements

To find out how to apply to connect electricity generation plants to our distribution networks, please read our ESP Electricity Distributed Generation Requirements Document.

You can find the standard Energy Networks Association’s application forms below and on the ENA’s website.

For distributed generation connection guides, please visit the ENA’s resource library. Please email your completed application to

We no longer accept G83 and G59 applications.

Please be aware that it can take:

  • 45 working days for LV generation connections
  • 65 working days for HV and EHV generation connections

to process your application, subject to you completing any supporting documents.

For more information, please visit our Distribution Generation Requirements.

ESP Customer Portal

You can track your projects from quote to payment via our ESP Customer Portal.

Go to customer portal


Self lay providers (SLPs)

Existing SLPS

If you’re one of our construction partners, you already have access to our customer portal, which shows the status of your open gas or electric projects. As part of our commitment to providing the best possible service, we are currently working on integrating our water projects into the customer portal arena, so please check back for regular updates.

If you have any questions about the portal, please contact your account manager or email us at

New SLPs

If you’re interested in working with us, please contact one of our account managers below:

Laura Brown

Head of Customer Accounts

Email Laura

Steve Holding

Account Manager

Email Steve