Source Overview

The EIA's June 2026 Short-Term Energy Outlook (STEO) update is the US government's official energy data and forecast publication. This June 9 update provides the government's latest quantitative assessment of the global oil supply shock from the Hormuz closure, including inventory trajectories, price forecasts, demand destruction estimates, and production shut-in figures. As a Tier 1 primary government source, it provides the most authoritative official US government data on the crisis.

Key Claims & Data Points

Price Forecast

  • Brent Q2-Q3 ~$105/bbl: Brent crude oil spot price averaged $107/b in May (first monthly decline since December 2025). EIA forecasts Brent will average ~$105/b in June and July.
  • Brent Q4 $89/bbl: Once traffic through Hormuz gradually resumes and shut-in production restarts, EIA forecasts Brent will fall to an average of $89/b by Q4 2026.
  • 2027 average $79/bbl: Most shut-in production fully restored in Q1 2027; global inventories begin rebuilding; Brent averages $79/b in 2027.
  • Volatility remains elevated: Oil price volatility remains elevated due to ongoing uncertainty over Hormuz reopening.

Inventory Trajectory

  • OECD inventories 2.3 Bbbl by December 2026: Total liquid fuels inventories in OECD forecast to fall to just under 2.3 billion barrels by December 2026 — the lowest level since 2003 (when EIA's dataset begins).
  • Well below 5-year average: The 2.3 Bbbl level is well below the previous five-year average (2021–2025) of 2.8 billion barrels.
  • 50 days of supply (lowest since 2003): On a days-of-supply basis, OECD inventories expected to fall to a low of 50 days by end of 2026 — the fewest days of future demand cover since January 2003.
  • Pre-conflict expectation: Prior to the conflict, EIA's February STEO expected OECD inventories to continue building, reaching more than 70 days of future demand cover.
  • No pre-conflict inventory restoration during forecast period: EIA explicitly states OECD inventories will not return to pre-conflict levels during the STEO forecast period.

Supply Shut-Ins

  • 11.3 mbd shut-ins in May: Production shut-ins averaged 11.3 million barrels per day in May — and expected to continue rising through Q2 2026.
  • Storage limits forcing additional shut-ins: As storage levels (particularly in Iran) reach maximum limits, producers are being forced to shut in additional volumes as the closure persists.
  • Assumption: Hormuz remains effectively closed into early summer: EIA assumes strait remains effectively closed into early summer, with flows slowly resuming in Q3 2026.
  • Full recovery by Q1 2027: Most shut-in oil production expected to be fully restored in Q1 2027.
  • Some producers not returning to pre-conflict levels during forecast period: Some Persian Gulf producers will not be able to bring oil output back to pre-conflict levels during the STEO forecast period.

Demand Destruction

  • Global demand -1.1 mbd in 2026: EIA now forecasts global oil demand will decrease by an average of 1.1 mbd in 2026 — a dramatic reversal from last month's expectation of +0.2 mbd growth and the February forecast of +1.2 mbd growth.
  • Demand destruction driven by high prices, shortages, government initiatives: High fuel prices, reduction in fuel availability, and government initiatives have reduced oil demand.
  • Most reduction in Asia: Most of the demand reduction is in Asia, which receives more crude oil supplies from the Middle East.
  • Petrochemical feedstock HGL demand: Some Asian countries are among the largest consumers of hydrocarbon gas liquids (HGL) for petrochemical feedstocks — a significant but underreported source of lost oil demand.
  • Demand could fall further: EIA assesses oil demand is likely to fall further the longer the conflict persists.
  • 2027 rebound +2.5 mbd: Once prices drop and supply flows return, oil demand expected to grow by 2.5 mbd in 2027 to 105.3 mbd.

Inventory Draw Rate

  • 6.3 mbd average inventory draw in Q2 2026: EIA estimates global oil inventories will fall by an average of 6.3 mbd in Q2 2026 — an exceptionally rapid drawdown.

Significance

The EIA STEO June 2026 update is the most authoritative US government quantitative assessment of the crisis. The 50-day OECD inventory floor and 2.3 Bbbl December 2026 figure are the key official benchmarks cited across the KB. The -1.1 mbd demand destruction figure for 2026 is the most specific quantification of demand reduction from a Tier 1 source. The explicit statement that OECD inventories will NOT return to pre-conflict levels during the forecast period signals a structural inventory deficit lasting well into 2027.