Source: U.S. Energy Information Administration (EIA)
Release Date: September 9, 2026 (forecast finalized September 3, 2026)
URL: https://www.eia.gov/outlooks/steo/
Previous STEO: August 11, 2026
Type: Institutional government forecast

Executive Summary

The September 2026 STEO is the most consequential US government energy forecast since the start of the conflict. It embeds a shut-in assumption of 5.7 mb/d for 4Q26 — half of the August STEO's 11.3 mb/d figure — reflecting the increasing adaptation in Gulf export routing (pipelines, STS transfers, Yanbu/Suez bypass). Inventory draws narrow but persist through 4Q26, supporting a Brent forecast of ~$90/bbl 2H26, before prices fall to $74/bbl avg in 2027 as supplies and inventories rebuild.

Key Data Points

Brent Crude Price Path

  • August 2026 average: $91/bbl (per EIA), +$7/bbl vs July
  • 2H 2026 forecast: ~$90/bbl (raised $8 from Aug STEO)
  • Q2 2027 forecast: ~$77/bbl
  • 2H 2027 forecast: ~$67/bbl
  • 2027 annual average: $74/bbl
  • Notable error correction: Sept 9 STEO initially swapped "Distillate crack spread" with "Gasoline crack spread" in the Notable Forecast Changes table; corrected table shows distillate crack $1.57/gal 2026 (+20.8% from prior) and $1.25/gal 2027 (+28.5% from prior)

Production Shut-Ins (Critical Update)

  • August shut-in avg: 6.7 mb/d (up from 5.0 mb/d in July)
  • 4Q 2026 shut-in forecast: 5.7 mb/d average — half of the August STEO's 11.3 mb/d May figure
  • The August STEO had assumed much slower adaptation; the September update reflects partial workarounds gaining hold

Inventory Dynamics

  • 2026 YTD global inventory draw: ~400 mb (through ~Sep 1)
  • 2Q26 draw: 3.9 mb/d on average
  • 3Q26 draw (forecast): 3.0 mb/d on average
  • 4Q26 draw (forecast): 1.7 mb/d on average
  • The draw pace narrows each quarter as production routes adapt

Global Supply Outlook

  • 2026 supply avg: ~100.7 mb/d (down ~5.7 mb/d y-o-y)
  • Recovery delayed to 2Q27 for most Gulf producers
  • Some producers (EIA does not name) will not return to pre-conflict averages at all during the forecast period
  • Yanbu (Saudi Red Sea) exports down ~50% from July — Vortexa data
  • Yanbu flows partially offset by STS transfers and Suez Canal/Sidi Kerir (Egypt) routing
  • UAE bypass pipeline capacity coming online mid-2027

US Energy Snapshot (Notable Forecast Changes Table)

Metric 2026 prior → Sept 2027 prior → Sept
Distillate crack spread ($/gal) $1.30 → $1.57 (+20.8%) $0.97 → $1.25 (+28.5%)
Retail diesel ($/gal) $4.85 → $5.07 (+4.4%) $4.07 → $4.40 (+8.2%)
West South Central region electricity sales (BkWh) 765 → 761 (-0.5%) 829 → 790 (-4.7%)

US Macro Snapshot

  • US crude oil production 2026: 13.8 mb/d (record)
  • US crude oil production 2027: 14.3 mb/d
  • US LNG exports 2026: 17.4 Bcf/d; 2027: 18.6 Bcf/d
  • US natural gas storage end-Oct 2026: 3,969 Bcf (+5% vs 5-yr avg)
  • US distillate inventory: to drop below 100 mb in September, remain below 5-year (2021-2025) low through "much of 2027"
  • US electricity sales 2026: 4,135 BkWh (record); 2027: 4,211 BkWh

Catalyst & Context

  • Renewed US blockade of Iran triggered August shut-in expansion
  • Treasury OFAC new sanctions (Sep) on Iranian economic/oil interests — cited EIA
  • Bab el-Mandeb attacks on Saudi Yanbu: "exports down about half from July"
  • Saudi Aramco reportedly began STS transfers outside Persian Gulf; some cargoes to China via Reuters (Aug 26)

EIA Outlook on Diesel

"Tightness in the global distillate market has raised domestic prices and incentivized U.S. exporters to increase distillate exports. We assume global production of distillate fuel will remain below last year's levels in the coming months, contributing to low U.S. diesel inventories and high diesel prices."

This is consistent with the q2-price-impact framework showing diesel/gasoil as the most acute refined product stress — confirmed by 2026-09-11-iea-omr-september-2026 in the same week: 94% above pre-war prices, above $200/bbl in the US in early September.

Significance for the KB

  1. Halves the Aug STEO shut-in estimate — adaptation has progressed faster than the US government assumed
  2. Confirms inventory draw slowing — 3.9 mb/d (2Q) → 3.0 (3Q) → 1.7 (4Q) trajectory
  3. Forecasts Brent ~$90/bbl 2H26 vs earlier fears of $120+ — but not too reassuring; 2027 still embeds structural tightness at $74/bbl
  4. Distillate benchmark "below 5-year low through much of 2027" — multi-year diesel supply tightness, not transient
  5. Some Gulf producers won't fully recover — early framing of structural damage/policy that could persist
  6. US at record production (13.8 mb/d 2026) but LNG exports and diesel exports rising to fill global gap

Ingested 2026-09-13 from eia.gov STEO landing page and global oil page. Free public source, no access barrier.