Global transmission capacity was estimated to have reached 20,397,232MVA by the end of 2022 and is forecasted to grow to 28,341,693MVA by 2028. Ireland had 24,239MVA of capacity in 2022 and this is expected to rise to 28,101MVA by 2028. Listed below are the five largest transmission projects by capacity in Ireland, according to GlobalData’s power database. GlobalData uses proprietary data and analytics to provide a complete picture of the global transmission segment. Buy the latest transmission substation project profiles here.

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1. Coolnabacky Substation – Upgrade

Coolnabacky Substation – Upgrade is a 400/110kV substation located at Coolnabacky, Laois, Ireland. The substation is planned and is expected to be commissioned in 2024. The Coolnabacky Substation – Upgrade will be operated by EirGrid Plc.

The designed voltage level of the substation is 400/110kV and the operating voltage level is 400/110kV. The step in voltage of the project is 400kV and the step out voltage is 110kV.

Coolnabacky Substation – Upgrade is owned by EirGrid Plc.

2. Dunstown Substation

Dunstown Substation is a 400kV substation located at Dunstown, Leinster, Ireland. The substation is planned and is expected to be commissioned in 2024. The Dunstown Substation will be operated by EirGrid Plc.

The designed voltage level of the substation is 400kV and the operating voltage level is 400kV. The step in voltage of the project is 400kV.

Dunstown Substation is owned by EirGrid Plc.

3. Dunstown Substation – Upgrade – 400/220 kV

Dunstown Substation – Upgrade – 400/220 kV is a 400/220kV substation located at Dunstown, Leinster, Ireland. The substation is under construction and is expected to be commissioned in 2024. The Dunstown Substation – Upgrade – 400/220 kV will be operated by EirGrid Plc.

The designed voltage level of the substation is 400/220kV and the operating voltage level is 400/220kV. The step in voltage of the project is 400kV and the step out voltage is 220kV.

Dunstown Substation – Upgrade – 400/220 kV is owned by EirGrid Plc. Buy the profile here.

4. Oldstreet Substation

Oldstreet Substation is a 400/220kV substation located at Oldstreet, Dublin, Ireland. The substation is planned and is expected to be commissioned in 2024. The Oldstreet Substation will be operated by EirGrid Plc.

The designed voltage level of the substation is 400/220kV and the operating voltage level is 400/220kV. The step in voltage of the project is 400kV and the step out voltage is 220kV.

Oldstreet Substation is owned by EirGrid Plc. Buy the profile here.

5. Tynagh Substation

Tynagh Substation is a 400/200kV substation located at Tynagh, Connacht, Ireland. The substation is planned and is expected to be commissioned in 2024. The Tynagh Substation will be operated by EirGrid Plc.

The designed voltage level of the substation is 400/200kV and the operating voltage level is 400/200kV. The step in voltage of the project is 400kV and the step out voltage is 220kV.

Tynagh Substation is owned by EirGrid Plc.

For more details on the latest transmission substation projects, buy the project profiles here.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData’s Power Intelligence Center provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide, while its capacity and generation database provides historic and forecast power generation and generation capacity by technology as well as consumption, imports and exports for over 170 countries.