Russia's second-largest refinery halts oil processing after drone attack

September 2, 2026 at 07:24 PM2 min

This digest was compiled by AI from multiple sources — links to the originals are below.

The Kirishi oil refinery in Leningrad Oblast has fully halted oil processing after a drone attack on August 30. Both primary processing units operating at the time were damaged, according to two industry sources cited by Reuters. The plant accounts for about 7% of Russia's total refining volume.

Key Facts

The Kirishi refinery halted all oil processing after a drone attack on August 30, with both operating primary units damaged.
The damaged units have a combined capacity of 27,720 tonnes per day, or 48% of the plant's total capacity.
The plant is owned by Surgutneftegaz and has a design capacity of 20 million tonnes of crude per year.
Leningrad Oblast Governor Alexander Drozdenko confirmed a fire in the Kirishi industrial zone during the drone raid, with 62 drones destroyed overnight.

Attack Damage

The Kirishi refinery in Leningrad Oblast fully stopped oil processing after a drone attack on August 30. Both primary processing units operating at the time were damaged, according to two industry sources cited by Reuters. The damaged units are AVT-6 with a capacity of 22,860 tonnes per day (40% of plant capacity) and AT-1 with 4,860 tonnes per day (8%). Two other units accounting for the remaining 52% of capacity were already offline before the attack.

Plant Profile

The Kirishi refinery, owned by Surgutneftegaz, is Russia's second-largest by capacity. Its design capacity is 20 million tonnes of crude per year, with actual processing around 18 million tonnes in recent years—about 7% of Russia's total. The plant annually produces about 2 million tonnes of gasoline, 7 million tonnes of diesel, 6 million tonnes of fuel oil, and 600,000 tonnes of bitumen. In 2026, the refinery had already undergone extended repairs after drone attacks in March and May.

Official Response

Leningrad Oblast Governor Alexander Drozdenko confirmed a fire in the Kirishi industrial zone during the drone raid. According to Drozdenko, 62 drones were destroyed over the region overnight. Authorities did not disclose details of the damage.