The ‘trillion pound’ oil fund the government believes Britain could have built

by | Oct 22, 2026 | Business

The 'trillion pound' oil fund the government believes Britain could have built

The United Kingdom announced the establishment of an Energy Wealth Fund on Wednesday, allocating £2 billion through the National Wealth Fund. The announcement came alongside approval of the Jackdaw gas project and was made by Chancellor John Healey.

The creation of the fund marks Britain’s entry into a practice long established by major oil-exporting nations. Countries in the Gulf region and Norway have built substantial sovereign wealth funds using revenues from oil and gas extraction. Norway’s fund has grown to approximately $2.4 trillion, prompting long-standing economic discussion about why the UK never established a comparable vehicle.

Treasury officials conducted internal modeling to estimate what a historical British sovereign wealth fund might have achieved. The analysis assumed the UK’s historical North Sea receipts of £200 billion had been invested without withdrawals and had grown at rates comparable to Norway’s fund. Under these assumptions, such a fund would now be worth approximately £1 trillion. Government officials characterized the failure to create such a fund as a missed opportunity for building national assets for future generations.

The debate over Britain’s absent oil fund has centered on policy decisions made during the North Sea oil era beginning in the 1980s. Critics have argued that revenues were used for short-term priorities such as pre-election tax cuts rather than long-term wealth building. Norway’s fund, by contrast, was established in earnest in 1996 and has generated substantial returns through diversified international investments, particularly in US technology companies.

The new Energy Wealth Fund will operate differently from Norway’s model. While Norway’s fund is required to invest internationally, the UK’s fund is designed to support domestic investment in green energy. This domestic focus may result in different investment performance. Additionally, UK energy tax revenues are projected to decline as North Sea production slows, though recent approvals of projects like Jackdaw may moderate that decline. The question remains what additional resources Britain might have had available today had a systematic wealth fund been established decades earlier.

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