This website draws on publicly available data from official government bodies, regulatory authorities, and reputable energy research organisations. Below are the key sources used. Readers are strongly encouraged to consult these primary sources for the most current and authoritative data.
North Sea Transition Authority (NSTA) – The UK’s upstream oil and gas regulator, responsible for licensing and regulation. Publishes reserves and resources reports, production projections, decommissioning cost estimates, and operator performance data. Website: nstauthority.co.uk
Office for Budget Responsibility (OBR) – Provides independent economic and fiscal forecasts for the UK government. Publishes detailed forecasts of North Sea oil and gas revenues, including breakdowns by tax type. Website: obr.uk
HM Revenue & Customs (HMRC) – Publishes annual statistics on government revenues from UK oil and gas production, including Ring Fence Corporation Tax, Supplementary Charge, Petroleum Revenue Tax and the Energy Profits Levy. Website: gov.uk/government/statistics/government-revenues-from-uk-oil-and-gas-production--2
UK Parliament – House of Commons Library – Publishes research briefings on the taxation of North Sea oil and gas, policy analysis, and historical data. Briefing SN00341 is particularly comprehensive. Website: commonslibrary.parliament.uk
UK Parliament – Parliamentary Office of Science and Technology (POST) – Published a detailed briefing on North Sea oil and gas in March 2026 covering reserves, production, policy and the energy transition. Website: post.parliament.uk
Department for Energy Security and Net Zero (DESNZ) – Publishes Energy Trends, the Digest of UK Energy Statistics (DUKES), and historical production data.
Offshore Energies UK (OEUK) – The industry trade body representing the UK offshore oil, gas and energy industry. Publishes reports on production, investment, employment, and economic impact. Website: oeuk.org.uk
Energy and Climate Intelligence Unit (ECIU) – An independent organisation providing data and analysis on energy and climate issues. Published influential analysis in March 2026 showing 93% of likely North Sea production has already been extracted. Website: eciu.net
Carbon Brief – Published a detailed factcheck in April 2026 examining nine claims about North Sea oil and gas, drawing on NSTA, government and industry data. Website: carbonbrief.org
Norwegian Petroleum Directorate / Norwegian Offshore Directorate – Publishes production, reserves and resource data for the Norwegian Continental Shelf. Website: norskpetroleum.no
Norges Bank Investment Management – Manages Norway’s Government Pension Fund Global (sovereign wealth fund). Publishes real-time valuation and quarterly reports. Website: nbim.no
Brent crude oil price data is widely available from financial data providers including ICE (Intercontinental Exchange), Trading Economics, Investing.com, and the US Energy Information Administration (EIA). The price used for notional valuations on this site (~$75/barrel) reflects the approximate Brent crude spot price as at 9 July 2026.
All statistics on this website reflect data available as at 9 July 2026. The oil and gas industry, energy markets, and government policy are subject to rapid change. Readers should always verify data against the most recent official publications.