Mubadala deepens its European energy infrastructure push

Published: 2026-06-18T07:52:04.000Z

Abu Dhabi's sovereign money keeps finding its way into the unglamorous infrastructure that keeps modern economies running, and the latest example sits at the bottom of the Irish Sea. Mubadala has acquired a $200 million stake in Greenlink, the operator of a 504 megawatt subsea electricity interconnector linking Ireland and Great Britain.

Abu Dhabi's sovereign money keeps finding its way into the unglamorous infrastructure that actually keeps modern economies running, and the latest example sits at the bottom of the Irish Sea. Mubadala Investment Company has acquired a $200 million stake in Greenlink, the operator of a 504 megawatt subsea electricity interconnector linking Ireland and Great Britain. The stake was bought from the UK based infrastructure fund manager Equitix, which continues to run the project in partnership with Baltic Cable. For Mubadala, the deal is another step in steadily building out a portfolio of European energy assets, and it reflects a clear conviction about where durable, long term returns are heading. The asset itself is the kind of thing most people never think about but increasingly depend on. Greenlink is a high voltage direct current subsea cable stretching roughly 190 kilometers, connecting EirGrid's Great Island substation in County Wexford on the Irish side to National Grid's Pembroke substation in Wales. It can move electricity in both directions, with enough capacity to power around 380,000 homes, which lets the two markets balance supply and demand across the water. When one side has surplus wind power and the other faces a shortfall, the cable shifts electrons to where they are needed, smoothing prices and shoring up grid stability on both ends. The strategic logic behind the purchase is worth unpacking, because it tells you how sovereign funds are thinking right now. Greenlink has been designated a Project of Common Interest by the European Union, a label that marks it as essential to regional energy security, and it operates under regulation by the UK's Ofgem and Ireland's Commission for Regulation of Utilities. That regulatory framework is the real attraction, since it provides long term visibility on revenues, the kind of predictable, inflation linked cash flow that pension funds and sovereign investors prize. Karim El Jazzar, who heads Europe and MENA infrastructure at Mubadala, framed it as a focus on high quality assets that combine strategic relevance with sustainable economic value, which is the institutional way of saying this is a safe, important asset that should pay reliably for decades. This is not a one off, which is the more telling part. Mubadala recently committed $325 million to the Hornsea 3 offshore wind project in the UK, has backed the battery storage company Zenobe, and just co invested $300 million with Stonepeak in a major container leasing platform. Its assets under management rose nearly a fifth to $385 billion in 2025, and the Greenlink deal fits a clear pattern of buying into the grids, interconnectors and storage that make renewable energy actually usable, rather than just the power plants that generate it. The regional read is the most interesting layer. Across the Gulf, sovereign wealth funds from Abu Dhabi, Saudi Arabia and Qatar are increasingly using their oil derived capital to buy strategic stakes in European and global infrastructure, locking in stable returns and political relationships at the same time. As Europe races to modernize its grids and integrate renewables, Gulf money is quietly becoming one of the financiers of that transition, with deals like Greenlink showing how energy wealth from one region is being recycled into the energy systems of another.