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Generation connection (G83) stage 2 application

A new generation connection (G83) stage 2 application

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Introduction to Microgeneration

Small scale renewable technologies such as solar panels, hydro or wind turbines can be used to generate your own electricity and export some of that electricity to the grid, commonly referred to as Small Scale Embedded Generators (SSEG). These microgenerators typically connect to the NIE Networks’ electricity grid under the principles of Engineering Recommendation G83/1.

Typical schemes are:

  • Single phase solar, hydro or wind technologies which generate up to a maximum of 3.681 kilowatts of electricity. These will typically be connected to domestic premises. An existing single phase connection must already be available.
  • Three phase solar, hydro or wind technologies which generate up to a maximum of 11.042 kilowatts of electricity. These will typically be connected to a farm or small commercial premises. An existing three phase connection must already be available.

There is a key difference between connecting a single unit at one customer site and multiple SSEG units within different customer sites and in a close geographical area under a planned programme of work. For multiple units you need to get prior written agreement from the Distribution Network Operator (DNO) - NIE Networks before you can connect.

In the case of projects where the proposal is to install multiple SSEGs in a number of Customers Installations in a ‘Close Geographic Region’, the Installer shall discuss the installation project with NIE Networks at the earliest opportunity. NIE Networks will need to assess the impact that these connections may have on the network and specify conditions for connection.

Close geographic region is the area within which the premises where more than one SSEG installation planned by the same organisation (i.e. installer) are within 500m of each other.

All G83 connections are subject to:

  • the installation not causing any operational difficulties for NIE Networks
  • the installation not adversely affecting the quality of supply to either the connected party or any other customers

Your installer can advise further in relation to the issues above which are covered under Annex A of G83/1.

For more information please see our Microgeneration page on our website.

1 Please note NIE Networks will accept a maximum installed capacity of 4kW provided the inverter is rated at no more than 3.68kW

2 Please note NIE Networks will accept a maximum installed capacity of 12kW provided the inverter is rated at no more than 11.04kW


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