Approval of the amended Ireland-United Kingdom (IU) TSOs’ Proposal for a Common Capacity Calculation Methodology
| Year | 2020 |
| Published date | 09 April 2020 |
| Energy Sector | Electricity wholesale |
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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: www.uregni.gov.uk
All interested parties,
Stakeholders in Northern Ireland and beyond,
and other regulatory bodies
Ref: WM-018-11-872
Date: 8 April 2020
To whom it may concern
Approval of the Ireland-UK TSOs’ proposal for a Common Long-Term Capacity
Calculation Methodology
On 5 February 2020, the Utility Regulator (UR) received the Ireland–United Kingdom (IU)
TSOs’ amended proposal for a Common Long-Term Capacity Calculation Methodology (the
“IU CC Methodology”) in accordance with Article 10 of Commission Regulation (EU)
2016/1719 of 26 September 2016, establishing a guideline on Forward Capacity Allocation (the
“FCA Regulation”).
This letter sets of the UR’s decision to approve this proposal pursuant to Article 4(11) of the
FCA Regulation.
Background
The IU CC Methodology proposes a common and coordinated approach within the IU Capacity
Calculation Region to promote the effective and optimal calculation of long-term cross-zonal
capacity. As per the IU Day-Ahead and Intraday Capacity Calculation Methodology which was
approved on the 23 July 2018 pursuant to Commission Regulation (EU) 2015/1222, the IU CC
Methodology uses the coordinated net transmission capacity approach to calculate cross-zonal
capacity. A key aim of the methodology is to promote the effective and optimal calculation of
Wholesale Markets Directorate
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