Greenlink

Greenlink is a proposed HVDC submarine power cable between County Wexford in Ireland and Pembrokeshire in Wales.

Greenlink Interconnector[1]
Location
CountryIreland, United Kingdom
General directioneast-west
FromIreland
Passes throughSt George's Channel
ToWales
Construction information
Expected2023
Technical information
Typesubmarine cable
Type of currentHVDC
Power rating500 MW
AC voltage400kV (UK); 220kV (Ireland)
DC voltage320kV

Project status

in April 2020, the company submitted three planning applications for onshore construction in Wales.[2] The project still requires planning permission and marine licences in both the United Kingdom and in Ireland, but the process of procuring construction contracts has started. Construction is planned to begin in the second half of 2020 and will take about three years. [3][4]

Route

The cable is proposed to run between EirGrid's Great Island substation in County Wexford, and National Grid's Pembroke substation in Pembrokeshire, with the cable making landfall at Baginbun Beach near Fethard-on-Sea in Ireland and at Freshwater West beach near Castlemartin in Wales. The total length would be 200km, of which 160km would be under the sea.[4][1][5]

Specification

The HVDC link will be configured as a symmetrical monopole, with DC voltages of ±320kV, and nominal power rating of 500MW. The project is expected to cost €400M.[1]

Project history

Subsea surveys were undertaken in 2018, and public consultations in 2019.[4]

References
  1. "Greenlink Interconnector". 4Coffshore. Retrieved 24 October 2019.
  2. Connolly, Philip (17 March 2019). "Element Power's Greenlink interconnector energises Partners Group". The Sunday Times. London. Retrieved 24 October 2019.
  3. "TEN-E Regulation Information Brochure Issue 3" (PDF). Greenlink. June 2019. Retrieved 11 November 2019.
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