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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.

The Authority estimate of remaining UK Continental Shelf (UKCS) recoverable petroleum resources is in the range 10 to 20 billion barrels or more of oil equivalent (boe), including discovered and undiscovered petroleum resources.

The purpose of this annual report is to provide an estimate of the UKCS’s remaining recoverable petroleum resources

This report documents the purpose, scope, estimating methodology, inputs, analysis, assurance and outputs of the Authority’s 2017 United Kingdom Continental Shelf (UKCS) Decommissioning Cost Estimate

This page contains information regarding the Annual Consents Exercise (“ACE”) in the following sections: 

The NSTA grants licences that confer exclusive rights to ‘search and bore for and get petroleum’.

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