The Sovcomflot tanker Universal, carrying roughly 270,000 barrels of diesel that had drifted about 1,000 nautical miles off the island since mid-April, changed course on Tuesday 26 May, accelerated, and turned southeast into the South Atlantic1. It declared no destination, never reached Matanzas or any Cuban port, and Russia has announced no replacement vessel2. A supply line Lowdown has tracked since the cargo first stalled has closed without a delivery to the one island that needed it.
The legal reason it could not unload sits one topic away. When OFAC (the US Treasury's Office of Foreign Assets Control) extended the Russian-crude wind-down through 17 June around 18 May, Cuba stayed explicitly carved out, the waiver Cuba remains excluded from3. So the Universal's diesel was lawful for most of the world and unlawful for the one port that needed it. The tanker meant to follow the depleted Anatoly Kolodkin, whose cargo Diaz-Canel had admitted on 4 May was running out with no confirmed replacement, turned out to be the one vessel that could not legally arrive.
The grid reads the consequence directly. UNE (Union Electrica Nacional, Cuba's state grid operator) forecast a deficit near 1,960 MW against demand of about 3,200 MW on 27 May, worse than the 1,680 MW it ran on in early May after the Guiteras plant's seventh failure4. On the street the same pressure shows in the exchange rate: the informal dollar reached 568 pesos this week, up from 540 in early May5. Two readings of one shortage, one off the meter and one off the kerb. Neither moves until fuel arrives, and the vessel that carried it has sailed past.
