UK Government Expected to Approve Jackdaw Gas Field on 15 September as Adura Targets Winter First Gas
With infrastructure 99% complete and a regulatory decision imminent, Jackdaw could add meaningful domestic supply ahead of peak UK winter demand.
Energy Secretary Miatta Fahnbulleh is expected to announce a decision on the Jackdaw North Sea gas field on 15 September, according to sources familiar with the matter cited by Energy Voice. Shell and Equinor, operating the project jointly under the name Adura, say infrastructure is 99% complete and that first gas could flow this winter.3,5
Adura values both Jackdaw and the still-contested Rosebank field at £10.8 billion in combined investment and puts Jackdaw's peak contribution at 6% of UK gas supply. Analysts told Montel during the week of 17 August 2026 that the two projects together could account for around 8% of UK domestic gas production at peak output, depending on when they come online.3,2
Not all parties accept the supply figures. Former Scottish First Minister Nicola Sturgeon told Westminster during the week of 31 August 2026 that Jackdaw would reduce UK gas imports by only 4% at peak, well below Adura's claim. The difference reflects competing assumptions about production timing and plateau levels rather than any agreed methodology.3
Jackdaw was discovered by Shell in 2005, sitting roughly 155 miles east of Aberdeen, and holds an estimated 200 million barrels of oil equivalent. Shell absorbed the asset through the £47 billion BG Group acquisition in 2015 before partnering with Equinor under the Adura operating structure. The company has said £500 million of project expenditure would be directed to the UK economy.4
The project has already slipped past one self-imposed deadline. Shell had previously targeted first production in the third or fourth quarter of 2025. With a 15 September 2026 approval still outstanding, Adura would need to close the remaining infrastructure gap and bring wells online within weeks to deliver any winter contribution. The company says that is achievable; the timeline is tight.4,5
Sources told Energy Voice that a former UK government official, speaking without direct knowledge of the approval process, said Jackdaw was more likely to receive the green light while Rosebank would probably be rejected. Rosebank carries considerably greater legal and environmental exposure. A split decision would allow the Burnham administration to support incremental domestic gas production without endorsing the more contested oil project.3
Prime Minister Andy Burnham had signalled support for North Sea development before taking office, with Jackdaw among the projects his team directed civil servants to advance. The BBC, citing unnamed sources, reported approval was expected before the end of September.5,1
ICE Endex TTF front-month was at €71.95/MWh at Friday's (2026-09-04) close. Jackdaw's peak volumes are too small to move continental European gas benchmarks in any direct sense. Any market impact would show up in UK domestic gas supply balances and potentially in NBP-TTF differentials, particularly if the field delivers its first volumes during early winter demand.3
Fahnbulleh's 15 September announcement is now the near-term signal. Clean approval keeps the winter supply thesis intact. Conditions that delay final completion into 2027 would effectively nullify Adura's winter claim. Even if gas flows before year-end, the contested gap between 4% and 6% import displacement means the field's actual market contribution is likely to be argued over long after first gas arrives.3,5