Decommissioning strategy Owners of offshore oil and gas infrastructure, including wells, must fulfil their obligations to decommission in accordance with statutory requirements and remediate the marine environment consistent with government policy. View more
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
Repurposing - Decommissioning and Repurposing Repurposing offshore oil and gas infrastructure can reduce waste and accelerate energy transition. View more
Well decommissioning The North Sea Transition Authority is the competent authority for all onshore and offshore well activity including well decommissioning. View more
Overview - Decommissioning and Repurposing The North Sea Transition Authority is committed to ensuring the economic recovery of UK oil and gas and to enabling the achievement of the UK Government’s commitment to reach net zero emissions by 2050. View more
UKCS Decommissioning 2018 Cost Estimate Report The cost of oil and gas decommissioning for the UK Continental Shelf (UKCS) has reduced from the 2017 baseline of £59.7bn Download
UKCS Decommissioning 2019 Cost Estimate Report The total cost of decommissioning remaining UK offshore oil and gas production, transportation and processing infrastructure has reduced by 17%, on a like-for-like basis, to £49bn compared with a 2017 base-line estimate of £59.7bn Download
