If you are already registered on the catalogue, you are advised to login for your own convenience. You are welcome to browse the catalogue as a guest if you prefer but you must be logged in to complete an order ( Why? ).

New visitors to the catalogue can register immediately if preferred but it is equally convenient for most to browse the catalogue as a guest and register if going on to order a document.

Users from ENA member (full/associate) companies are entitled to benefits. New member users should register as such and wait for confirmation that their registration has been approved before placing orders.

Please note that all orders are completed by email.

The Energy Networks Association (ENA) represents the interests of all electricity network operators in the UK. The Document Catalogue System is an online catalogue of engineering and Safety Health and Environment (SHE) documents available from the ENA. The engineering documents that you can access from the site are:

• Engineering Recommendations (EREC)
• Engineering Reports (EREP)
• Technical Specifications (TS)
• ACE Reports
• Engineering Technical Reports
• Engineering Equipment Assessment Lists

The Safety Health and Environment (SHE) documents that you can access from the site are:

• SHE Standards
• SHE Position Papers
• SHE Briefings

Have a query or problem with the system? Please check our help page.

WARNING! Some of the older (pre 2003) documents available on this site were originally published by the now defunct Electricity Association. Please note that the ENA cannot take responsibility for the condition and content of these older documents and you are advised to seek advice before acting upon information held in them.