HighVI Energy Politics & Supply Security19 October 2026, Monday

The diesel deal's tonnage runs into Russian refining capacity

The deal announced on 9 October foresees 500,000 tonnes of Russian diesel in November and 1 million tonnes in December. The IEA measured Russian refinery runs at 3.8 million barrels a day in June, against installed capacity of 6.5 million.

Location: MOSCOW

In the first leg of the deal Russia immediately released more than 300,000 tonnes of diesel, with 500,000 tonnes committed for November and 1 million tonnes for December. The US Treasury granted a general licence for transactions in Russian-origin diesel until 7 April 2027. Trump suspended the sanctions under the Graham act by executive order on 16 October, and Energy Secretary Chris Wright said the authority was being held in reserve. Secretary of State Marco Rubio asked for up to 60 days to assess the effects.

The constraint is not the tonnage pledge but distillation capacity. On 17 September the IEA wrote that only five of Russia's 32 large refineries had escaped drone strikes. June runs fell to 3.8 million barrels a day, the lowest in 20 years and roughly 30% down year on year. The agency forecasts an average of 4 million barrels a day for the remainder of 2026 and for 2027. The 250,000 barrel a day Moscow refinery is expected to stay offline until early 2027. Russian diesel output has fallen by about 30% and petrol output by 20%.

The threshold sits in the export lines. Combined net kerosene exports from Russia and the Middle East fell to 820,000 barrels a day in September, more than 60% down year on year, a loss of 1.3 million barrels a day. In August the same line stood at 520,000 barrels a day, 75% below the year before. The December pledge of 1 million tonnes a month amounts to roughly 7.5 million barrels. With Moscow having banned diesel exports in July, delivering that volume without squeezing the domestic market is difficult. Ukraine's defence ministry said on 4 October that 51% of capacity was offline; the claim could not be independently verified, and the IEA's run data paint a milder picture.

Talay assessment

Bottom line

The sanctions suspension opened supply on paper, physical capacity did not follow. With Russian runs hovering in a 3.8-4 million barrel a day band, the 1 million tonne pledge for December requires cuts to the domestic market. The most likely path is partial delivery: the first parcel moves and the November and December volumes slip. Should Ukraine keep striking refineries, the pledge could lapse entirely.

Likely effects

Diesel and distillate marginsNegativeWeeks
If the pledged tonnage arrives late, the distillate deficit will not close through the northern winter; margins stay high regardless of crude and pass into freight and farming costs.
Russian domestic fuel marketNegativeWeeks
Every parcel set aside for export comes out of domestic supply. If Moscow loosens the July export ban, forecourt queues and price-cap pressure return.
Türkiye's fuel costsNegative1–6 months
Türkiye depends on imported diesel. If Russian tonnage heads for the Atlantic, Mediterranean cargo competition intensifies and the pass-through to pump prices quickens through the currency.
Credibility of the sanctions regimeUncertain1–6 months
Suspending the Graham act showed the threat of secondary sanctions on buyers being used as a bargaining chip, which weakens the deterrent value of later threats.

Possibilities, ranked

1
Partial delivery, slipping calendar55%
The first 300,000 tonnes move while the November and December volumes arrive incomplete or late. The two sides trim the targets without breaking the deal.
Watch: Total tonnage of Russian-origin diesel cargoes reaching the United States by the end of November and any change in the scope of the Treasury licence.
2
Calendar largely holds25%
Russia squeezes domestic consumption to serve exports; distillate margins fall back and downward pressure builds on Brent.
Watch: Russian refinery runs rising above 4 million barrels a day on a monthly basis and the diesel export ban being formally eased.
3
The deal is suspended20%
Ukrainian strikes or a political crisis halts the pledge, the sanctions authority is reactivated and the distillate crack jumps.
Watch: Another major refinery strike or cancellation of the Treasury general licence before 7 April 2027.

Probabilities are calibrated judgement based on the sources, not measurement, and are revised as new information arrives. Not investment advice.

Market reaction

Indicators affected

December diesel pledge▲ 1m tonnes
Russian refinery runs▼ 3.8m b/d
Russia-Mideast kerosene exports▼ 820k b/d
Brent▲ $109.55

Historical context