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Changes to ENA public electricity network guidance

25 January 2018

Members who are involved with the connection of distributed generators in parallel with the electricity network should note that changes are imminent to the relevant Energy Networks Association guidance. This will affect generation rated at greater than 16A per phase.

Most notable are the changes to recommendations given in Engineering Recommendation G59 /3-3 and Distribution Code v29. The changes, which become effective from 1 February 2018, mainly affect protection settings and loss of mains sensing techniques.

The revised Distribution Code v29 and ER 59/3-3 (2018) is available here.