Equinor and Ithaca Energy have taken the final investment decision to progress Phase 1 of the Rosebank development on the UK Continental Shelf (UKCS), investing US$3.8 billion.

The North Sea Transition Authority (NSTA) granted consent for the development of the field on 27 September.

“Developing the Rosebank field will allow us to grow our position as a broad energy partner to the UK, while optimising our oil and gas portfolio, and increasing energy supply in Europe. Rosebank provides an opportunity to develop a field within the UK Continental Shelf which will bring significant benefits to Scotland and the wider UK,” says Geir Tungesvik, executive vice president Projects, Drilling and Procurement at Equinor.

The Rosebank field is located around 130 kilometres north-west of Shetland in approximately 1,100 metres of water depth. Total recoverable resources are estimated at around 300 million barrels of oil, with Phase 1 targeting estimated 245 million barrels of oil.

The field will be developed with subsea wells tied back to a redeployed Floating Production Storage and Offloading vessel (FPSO), with start-up planned in 2026-2027. Oil will be transported to refineries by shuttle tankers, while gas will be exported through the West of Shetland Pipeline system to mainland Scotland.

The Rosebank oil and gas field is being developed in compliance with the North Sea Transition Deal, an agreement between the UK government and the offshore industry. It acknowledges that whilst there is a continued, though over time reducing need for oil and gas, the remaining demand for oil and gas must be met with the lowest emissions possible.

The FPSO has been designed to be electrification-ready and Equinor is collaborating with government and industry to pursue a regional solution for power from shore to Rosebank and nearby fields to minimise carbon emissions from production.

According to an independent socioeconomic report by Wood Mackenzie and Voar Energy, Rosebank is estimated to create £8.1 billion of total direct investment over the lifetime of the field, of which 78 per cent is likely to be invested in UK-based businesses. It is expected to support around 1,600 jobs during the height of the construction phase of the project, and it will continue to support approx. 450 UK-based jobs during the lifetime of the field.

Arne Gürtner, senior vice president Upstream at Equinor in the UK said: “We know that the world needs to transition to new, cleaner energy systems and our broad energy investments into the UK support this.

“And while we do this there is going to be a continued need for oil and gas, which currently meets 76 per cent of the UK’s energy needs. Our decision to progress the Rosebank development is the result of work and collaboration by our employees, partners, government, regulators, and other stakeholders to ensure that this development is able to help meet this ongoing need, with the lowest carbon footprint possible.”