Grid Connections

British Map of Distribution Network Operators (DNOs)

For information on G83/1 and G59/2 connection procedures see:

Energy Networks site Information for generators seeking a connection

Decision Tree for the Distributed Generation Connection Guides

Please note that these are only guides to ER G83 and ER G59, not the documents themselves.  For the latest versions, which are available only for a fee, click here. Here you will find a second link for the engineering document catalogue where you can search for, purchase and download a wide range of ENA engineering documents that include G59 and G83 under "Engineering Recommendations" (ER).

A Guide for Connecting Generation that falls under ER G83/1-1 Stage 1 to the Distribution Network (Version 3.1 - April 2011)

A Guide for Connecting Generation that falls under ER G83/1-1 Stage 2 to the Distribution Network (Version 3.1 - April 2011)

G83/1 is valid until March 2014 but from then G83/2 should be used (see below)

NEW G83/2 standard for Grid connection <16A per phase - the version here was supplied by Ofgem last year.

Guide for ER G83/2 Single Premises Connections (Version 3.4 - January 2013)

Guide for ER G83/2 Multiple Premises Connections (Version 3.4 - January 2013)

Guide for ER G59/2 Connections (Version 3.4 - January 2013)

List of approved meters from National Measurement Office