Greenlink: Great Britain to Ireland

Greenlink is an undersea power cable between Great Britain and Ireland, from Great Island, County Wexford, to Pembroke. It can carry 504 MW, the 8th largest of Great Britain's 10 interconnectors, and opened in early 2025.

504 MWcapacity
190 kmlength (about)
early 2025opened
4.9%of Great Britain's interconnector capacity

See Greenlink's flow right now, every 5 minutes, on the live dashboard (Great Britain's Interconnectors card), or on the Live map.

Recent flows

On 28 October 2026 (the 22.9 hours to 22:55 UK time), Great Britain exported 7.4 GWh over Greenlink to Ireland, an average of 323 MW, 64% of its capacity.

Key facts

ConnectsGreat Britain and Ireland
RouteGreat Island, County Wexford, to Pembroke
Capacity504 MW
TechnologyHigh-voltage direct current
Lengthabout 190 km
Openedearly 2025
OwnerGreenlink Interconnector Limited

Greenlink is one of 2 cables between Great Britain and Ireland, with East-West.

Questions and answers

What is Greenlink?

Greenlink is a high-voltage power cable between Great Britain and Ireland, running from Great Island, County Wexford, to Pembroke. It can carry 504 MW, 4.9% of Great Britain's interconnector capacity, and opened in early 2025.

How much power can Greenlink carry?

504 MW: the 8th largest of Great Britain's 10 interconnectors. That is about 4.9% of the 10,304 MW all of them can carry together.

How long is Greenlink?

About 190 km: the 6th longest of Great Britain's interconnectors.

Who owns Greenlink?

Greenlink Interconnector Limited.

When did Greenlink open?

In early 2025, so it has been running for about 1 year.

What other cables link Great Britain and Ireland?

East-West (500 MW, 2012). Together with Greenlink they can carry 1,004 MW.

Where can I see Greenlink's flow now?

The Global Grid dashboard shows Greenlink's flow every 5 minutes, from Elexon's figures: whether Great Britain is importing or exporting, and how much.

Great Britain's other interconnectors

InterconnectorToMWOpened
IFAFrance2,0001986
North Sea LinkNorway1,4002021
Viking LinkDenmark1,4002023
IFA2France1,0002021
ElecLinkFrance1,0002022
Nemo LinkBelgium1,0002019
BritNedNetherlands1,0002011
East-WestIreland5002012
MoyleNorthern Ireland5002001

Every UK interconnector, with the UK's imports since 2000 and the cables being built

Sources: the cables' owners and operators (capacities, routes and opening dates, as on the Pipelines tab's power link details); the flows on the live dashboard contain BMRS data © Elexon Limited copyright and database right; the United Kingdom's net imports are Ember's yearly electricity data (CC BY 4.0). Facts checked 28 October 2026.

To cite this page: Global Grid, “Greenlink: Great Britain to Ireland”, globalgrid.uk/interconnector/greenlink, and the original source named above.