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How NIE Networks is responding to COVID-19

Important information for customers on how our services are adapting during this period.

Transmission Interface Arrangements

The Transmission Interface Arrangements (TIA) outline the commercial and operational interactions between NIE Networks and SONI and enable the efficient operation, planning, development, construction and maintenance of the transmission system.

NIE Networks is the Transmission Network Owner and under the conditions of our transmission licence, we are required to develop, construct and maintain the transmission system in accordance with the requirements of the TIA.

The latest approved version of the TIA can be found at the link below:

 Transmission Interface Arrangements

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