The UK government faces mounting pressure to approve the Rosebank oil field development to safeguard diesel supplies amid growing concerns about potential shortages. Nick Butler, an energy economist and former BP executive, emphasized the strategic importance of Rosebank, the country’s largest untapped oil field, saying it could provide crude oil to British and European refineries at a time when diesel imports from overseas may become unreliable.

Rosebank is being developed by Adura, a joint venture between Shell and Equinor, alongside the Jackdaw gas field. While the government is expected to approve the Jackdaw project due to its role in delivering gas directly to the UK grid and enhancing supply security, Rosebank’s approval remains uncertain. The development has sparked debate because oil production is more polluting, and there are questions about whether the crude would ultimately benefit UK consumers.

According to economic research, authorizing Rosebank and other significant oil projects under the Adura partnership could contribute approximately £10.8 billion to the UK economy over the next ten years. Butler highlighted recent geopolitical tensions, including disruptions at the Strait of Hormuz and considerations by the US administration to restrict diesel exports, to underscore the risks facing UK fuel supply chains. He warned of the possibility of a serious diesel shortage this coming winter if domestic production is not increased.

Critics question the contribution of new drilling to energy security. Tessa Khan, representing the environmental group Uplift, argued that expanding oil extraction has minimal impact on the UK’s energy resilience because most of Rosebank’s oil is expected to be exported rather than used domestically.

The government’s decision on Rosebank will weigh the need to strengthen fuel supply security and economic gains against environmental concerns and the ambition to reduce carbon emissions. With wider energy security challenges looming, the outcome of the Rosebank application is likely to set an important precedent for UK offshore oil policy going forward.