Kellas Midstream is a UK-based independent midstream infrastructure company focused on natural gas gathering, processing, and transportation for the UK Continental Shelf. The company develops, owns, and operates critical pipelines and onshore facilities that deliver North Sea gas to UK markets. It is backed by investment funds managed by BlackRock and GIC.
Kellas’s portfolio includes the Central Area Transmission System (CATS) pipeline and terminal at Teesside and the Humber Gathering System, providing third-party access, compression, processing, and onward delivery services to upstream producers and the UK gas grid. The company is also advancing low‑carbon infrastructure in northeast England, including blue hydrogen and carbon capture and storage (CCS)-ready projects integrated with its existing assets, supporting industrial decarbonization efforts.
