Derogations approval establishing a network code on requirements for grid connection of generators (NC RfG)

Published date17 February 2023
Energy SectorElectricity Networks
Northern Ireland Authority for Utility Regulation
Queens House, 14 Queen Street, BELFAST, BT1 6ED
T: +44 (0) 28 9031 1575 F: +44 (0) 28 9031 1740 W:
SONI Limited,
Castlereagh House
12 Manse Road
Ref: NET/E/DH/634
Date: 16 February 2023
Dear Sarah
RE: Derogations under Commission Regulation (EU) 2016/631 of 14 April 2016
establishing a network code on requirements for grid connection of generators (NC
On 16 August 2022, SONI, in its capacity as transmission system operator for Northern
Ireland, submitted to the Authority
four requests for the grant of derogations in respect of
specified requirements of the NC RfG.
The requests were made in accordance with Article 63(2) of the NC RfG, and each of them
was supported by a statement of reasons and by a cost-benefit analysis.
We have carefully considered the requests made by SONI together with the supporting
documentation. We have sought the views of NIE Networks on those requests. Regard too
has been had to the fact that substantively equivalent derogations were approved by the CRU
in response to a request made by EirGrid (as transmission system operator for the Republic of
Ireland (RoI)) in respect of the RoI transmission network (the CRU Decision).
We are satisfied in all the circumstances that it is appropriate that derogations should be
granted in accordance with the terms specified below.
Therefore, the Authority, in accordance with Article 63(6) of the NC RfG, hereby grants the
derogations set out in the following table
This is the date the Authority adopted the decision on the requests for derogation
In this letter (and the Appendix 1) the words “Authority”, “us” and “our” are used in terchangeably and refer to the
Northern Ireland Authority for Utility Regulation.
The CRU (the Commission for the Regulation of Utilities) is the relevant regulatory authority for the Republic of
The CRU Decision is here: CRU20127-Derogations-and-RfAs-under-Connection-Network-Codes.pdf

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