What is covered
CBAM covers one hydrogen code, 2804 10 00. It has a default value for almost every origin, and an Other countries figure covers the rest. 1 CN code in this sector carry a default value. To check one code, use the scope checker.
Typical default values and cost per tonne
Defaults are tCO2e per tonne of product for 2026, mark-up included, as medians across the origins with their own value. Cost is certificates per tonne after the free-allocation deduction, at the Q3 2026 price of €82.32, from the Q3 2026 cost index.
| Product | Default, tCO2e/t | Cost/t, median | Cost/t, range | Other countries |
|---|---|---|---|---|
| HydrogenCN 2804 10 00 · 95 origins | 11.90 | €571.32 | €0.00–€2,003.85 | €1,197.94 |
Your figure depends on your exact code and origin. The country table below has every value; the calculator prices one line and the bulk calculator prices a whole import list.
What applies to hydrogen importers
- There is no small-importer exemption. The 50-tonne threshold does not apply to hydrogen, so every tonne counts.
- Hydrogen defaults count direct emissions only.
- Defaults carry a mark-up on top of the country average: 10% in 2026, 20% in 2027 and 30% from 2028.
- Certificates for 2026 imports go on sale from 1 February 2027 and are surrendered with the annual declaration by 30 September 2027.
The actual-emissions lever
The production route is the whole story. Hydrogen made from natural gas carries heavy direct emissions; hydrogen from electrolysis has very little. Because the default counts direct emissions only, a verified figure from an electrolyser can come in far below it. The default will not credit that on its own.
To collect the figures, send the producer the supplier emissions questionnaire. How defaults and verified data compare is in CBAM default values explained.