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Generation connection (G98/NI) stage 2 commissioning

A new generation connection (G98/NI) stage 2 commissioning

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Introduction to Microgeneration

Micro-generation 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 micro-generators. These micro-generators typically connect to the NIE Networks’ electricity grid under the principles of Engineering Recommendation G98/NI.

Typical schemes are:

  • Single phase solar, hydro or wind technologies which generate up to a maximum of 3.68 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 11.04 kilowatts of electricity. These will typically be connected to a farm or small commercial premises. An existing three phase connection must already be available.

Connecting multiple micro-generator units in close proximity within 28 days of each other – Stage 2 connections

There is a key difference between connecting a single unit at one customer site and multiple micro-generator units at different customer sites in a close geographical area within 28 days of each other. For multiple units being installed within 28 days of each other you need to get prior written agreement from the DNO (NIE Networks) before you can connect.

In the case of projects where the proposal is to install multiple micro-generators in a number of customers’ properties in a ‘Close Geographic Region’ within 28 days of each other, 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 micro-generator installation planned by the same organisation (i.e. installer) are within 500m of each other.

All G98/NI 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

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

Introduction

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