Armed Conflict — 2026-05-21

Ukrainian Drone Campaign Halts Central Russian Refinery Production Affecting 30 Percent of Gasoline Output

BLUFSustained refinery outages very likely persist through July 21, locking in a domestic fuel squeeze that Moscow's export ban tacitly concedes and cannot quickly remedy through product redirection.

According to a Reuters exclusive published May 20, virtually all major oil refineries in central Russia have halted or cut output after Ukrainian drone strikes, with affected plants accounting for more than 30% of Russia's gasoline production and about 25% of its diesel 1. Named facilities include the Kirishi refinery, fully offline since May 5, and plants in Moscow, Ryazan, and Yaroslavl, which suspended or reduced operations between May 15 and May 17 12; their combined annual processing capacity exceeds 83 million metric tons, roughly one quarter of Russia's total refining capacity 1. Ukraine's Unmanned Systems Forces commander Robert "Madyar" Brovdy separately reported 10 Russian refineries struck across May with six halted, including plants in Perm and Tuapse, the latter indefinitely closed, extending the geographic scope beyond the central Russia cluster in the Reuters report. Ukraine's General Staff confirmed a May 20 strike on the NORSI refinery in Nizhny Novgorod, Russia's fourth-largest by processing capacity and second-largest in gasoline output, with 17 million tons annual capacity and reportedly struck for the fourth time in seven months, though whether the plant retained partial operations remained unclear as of reporting 34.

Analysis
Per a single Reuters exclusive, at least two of the five named central refineries very likely remain at sharply reduced or zero output through July 21, translating into supply stress Moscow cannot quickly offset with redirected product flows. Kirishi has been offline since May 5 with no restart signal, and fire-damaged units at NORSI and Ryazan historically require weeks before safe restart. Russia's gasoline export ban through July 31 signals official acknowledgment of domestic tightening that precedes any formal admission of physical damage. Protective halts driven by threat perception rather than structural damage could shorten timelines to days, but sustained outages through July would force Russian logistics planners to prioritize military fuel allocation over civilian supply.

6 sources