Cost estimate - Decommissioning and Repurposing The North Sea Transition Authority (NSTA) published its Decommissioning Cost and Performance Report on 9 August 2023, showing that the cost estimate for decommissioning remaining oil and gas infrastructure on the UK Continental Shelf is £40 billion. View more
Guidance The NSTA produces a range of guidance documents, to support and assist industry in fulfilling its responsibilities and obligations, to set clear expectations on standards and behaviour, and to help share best practice. View more
Repurposing - Decommissioning and Repurposing Repurposing offshore oil and gas infrastructure can reduce waste and accelerate energy transition. View more
Exploration and production We regulate the licensing of exploration and development of the UK’s offshore and onshore (England only) oil and gas resources, gas storage and unloading activities in accordance with the Strategy. View more
Organisational structure We are an organisation of approximately 200 staff, headquartered in Aberdeen with another office in London. View more
