Green Ammonia: Costs are mainly determined by renewable electricity prices, electrolyzer efficiency, and plant scale.

Blue Ammonia: Produced via conventional fossil-fuel routes combined with carbon capture (CCS). Its cost depends on natural gas prices and the carbon-capture rate.

For example:

• Green ammonia prices:

Based on current quotations from KAPSOM, green ammonia is priced at approximately USD 600–800 per ton.

• Blue ammonia prices:

Northwest Europe prices rise 4% to $676/mt; Asia edges lower

Blue ammonia FOB US Gulf reported at a minimum of $400–$600/mt

Japan–Korea Ammonia Price assessed at $435–$475/mt CFR

(subject to fluctuations in natural gas and CCS costs)