Mubadala takes $200m stake in Equitix’s Greenlink JV
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Summary
Abu Dhabi sovereign investor Mubadala has acquired a $200 million portion of Equitix's stake in Greenlink, the 504MW subsea electricity interconnector linking Ireland and Great Britain. The deal expands Mubadala's presence in regulated European energy infrastructure.
Market Impact
The transaction reflects sovereign and institutional capital flowing into regulated grid interconnectors that offer long-term revenue visibility and support cross-border power flows and renewable integration. Interconnectors are increasingly central to grid flexibility as power markets evolve. This analysis is informational and avoids any directional trading claims.
Why It Matters
It underscores how regulated transmission assets are becoming a sought-after class for long-horizon infrastructure investors funding the energy transition.
Key Points
- Mubadala purchased a $200 million portion of Equitix's stake in Greenlink, a 504MW subsea interconnector between Ireland and Great Britain.
- The HVDC subsea cable stretches approximately 190km and can supply power to around 380,000 homes.
- Greenlink is regulated by Ofgem in Great Britain and the Commission for Regulation of Utilities in Ireland, and is an EU Project of Common Interest.
- Mubadala recently also announced a $325 million investment in the 2.9GW Hornsea 3 offshore wind farm in the UK.
Key Entities
Evidence
The Mubadala Investment Company has purchased a $200m (Dh734.5m) portion of Equitix’s stake in Greenlink, the operator of a 504MW subsea electricity interconnector between Ireland and Great Britain.Supports: Supports the transaction and asset description.
Completed in February 2025, the Greenlink project consists of a high-voltage direct current (HVDC) subsea cable stretching approximately 190km between Great Britain and Ireland.Supports: Supports the HVDC cable detail.
It is regulated by the Office of Gas and Electricity Markets in Great Britain and the Commission for Regulation of Utilities in Ireland.Supports: Supports the regulatory-framework point.