VI Energy Politics & Supply Security
VLCC (Very Large Crude Carrier)
The supertanker class that carries roughly 1.9–2.2 million barrels of crude and is the main workhorse of long-haul crude trade.
How it works
VLCC stands for Very Large Crude Carrier. According to the US Energy Information Administration (EIA), a ship of this class carries about 1.9–2.2 million barrels of WTI-type crude per voyage. The larger ULCC class carries 2–3.7 million barrels, but it is limited to a small number of ships and specialised ports.
Tanker classes are separated on the AFRA scale, which stands for average freight rate assessment; ships are graded by carrying capacity in deadweight tonnes. Smaller GP and MR vessels mostly carry refined products on short routes. The EIA says VLCCs handle the bulk of the world's crude shipments.
The Aframax that traders talk about refers to ships of 80,000–120,000 deadweight tonnes and is not an official AFRA class. VLCC hire is usually quoted as a daily rate or as a lump sum per voyage. When sources give different figures, it is rarely an error; the route, contract type and date differ.
Why it matters here
In a chokepoint the barrels may be in place, yet there may be no ship to carry them. In October 2026 the transfer pattern outside Hormuz tied up the VLCC fleet, and the Gulf–East Asia rate hit a record $1.4 million a day. The constraint then lies in transport rather than supply, and price shows up in freight before Brent. We read VLCC rates together with transit counts and the war-risk premium.