UAE exit from OPEC exposes the cartel’s hollowed-out power
Abu Dhabi quits after 48 years, stripping 4.8M bpd in capacity from an OPEC already crippled by the Strait of Hormuz closure.
On Tuesday (2026-05-19), the United Arab Emirates said it was leaving both OPEC and OPEC+ effective May 1, dealing the cartel its most consequential defection at a moment when the US-Israel military campaign against Iran has already knocked out a quarter of the group’s output.2,4 The war has closed the Strait of Hormuz, shutting in roughly 9.1 million barrels per day of Gulf production collectively, according to JINSA analysis.1
The move is a political and market rupture. The UAE had chafed for years under Saudi-imposed output quotas that capped its daily production at 3.2 million barrels — far below the 4.8 million bpd of capacity it had built through sustained upstream investment before the war began.5,7 Rystad Energy said losing a member with that installed capacity, plus its stated ambition to ramp up further, “takes a real tool out of the group”.5
In February, the UAE was producing 3.6 million bpd and held roughly 600,000 bpd of genuine spare capacity, per The Economist’s data.7 But after the Hormuz closure, the country’s output slumped 44% to 1.9 million bpd in March.6 The wider OPEC production collapse that month was even starker: the Iran war wiped out 7.88 million bpd of the group’s crude flow, a 27% decline to 20.79 million bpd, the biggest single-month supply loss in decades.6
The timing is what makes the exit sting. OPEC has lost its third-largest producer and the credibility of collective discipline at exactly the moment when Saudi Arabia needs the widest possible burden-sharing to manage an energy crisis defined by supply unavailability, not oversupply.1 The cartel’s de facto leader now shoulders an even heavier weight for price stabilisation.1
Yet the UAE’s departure was not a snap decision. It is the outcome of a simmering feud with Riyadh that had been papered over by shared animosity toward Iran after its attacks on Gulf states early in the war.6 Abu Dhabi saw its OPEC quota as a cap on its own strategic ambitions, including a push to become a swing producer in its own right through its expanding Asian customer base and the Hadibat pipeline bypassing Hormuz.5 Last year, it exported just 1.7 million bpd of crude and products through that pipeline — enough to sustain some sales but far from sufficient to meet its envisioned role.5
Without OPEC constraints, and should shipping traffic through the Strait of Hormuz eventually return to something close to pre-war levels, the UAE could add 1.6 million bpd of production to global markets — roughly 1.5% of world supply, enough to shift the pricing balance.5 That prospect, however remote it seems while the strait remains effectively closed and blocked, gives the exit a long-tail bearish bias for ICE Brent front-month, which sat at $86.80 as of Friday’s close (2026-06-13).
The exit also hands a political win to the Trump administration, which has repeatedly accused OPEC of “ripping off” US consumers.3 The White House has pushed for maximum Iranian oil sanctions enforcement while urging Gulf allies to pump more — a message Abu Dhabi is now free to amplify without the awkwardness of trashing Saudi-led OPEC+ accords.
For now, the question traders are watching is less about long-run production capacity than about whether Abu Dhabi can hold its position as a standalone power within a fractured Gulf order. The bloc that once ran OPEC as a Saudi-deputised committee is unravelling under the dual pressure of a regional war and a bilateral power struggle that has now gone public. A collective 27% output collapse in March was the consequence of warfare at a chokepoint. What follows may be a market where the cartel no longer speaks with one voice, or any voice at all.6