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CBAM documents outline preliminary ammonia values

  • Spanish Market: Fertilizers
  • 17/12/25

CBAM documents outline preliminary ammonia values

Preliminary documents from the European Commission released today confirm details for the ammonia free allocations benchmark and country-specific default values in the carbon border adjustment mechanism (CBAM).

The documents outline that the ammonia free allocations benchmark is being revised lower to 1.522t of CO2 equivalent (CO2e), down from 1.57t, in line with leaked documentation seen last week. This will be subject to a 2.5pc reduction in 2026, lowering it to 1.484t. The documents are likely to be made official in 2026.

The preliminary documents also confirm that the default emissions value for US ammonia is being revised to 3.44t of CO2 equivalent (CO2e) in 2026, with most other key supply regions to Europe in line with previous estimates.

Algeria is valued at 2.10t CO2e in 2026, Trinidad is higher at 2.44t CO2e, and Egypt is 2.07t CO2e. The default emissions values apply if there are no verified emissions data available for the imported product.

The default value for US anhydrous ammonia has increased because the production route for US ammonia has changed from natural gas to petroleum coke, which has resulted in the steep rise to the emissions value. The commission has outlined a 1pc mark-up for all country default values in 2026.

Theoretical default costs range up to $196/t for ammonia supplied from the US into Europe, with Trinidad supply at $96/t, Algeria valued at $62/t, and Egypt at $59/t. This is based on the prompt emissions trading system (ETS) price of $100.35/t on 16 December.

The Argus Fertilizer CBAM calculator can be accessed here.


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