In june 2024 an hydrogen and ammonia plant opened in Norway by Yara

This plant will produce as follows:

• 24MW hydrogen (57.6 kwh/kg)
• 10 tons/day hydrogen (3650 tons/year)
• 55 tons/day ammonia (20 000 tons/year)

It costs approximately:

• 3 years for construction
• $26.5 million cost

Given the 30kg/year/person 2023 ammonia consumption (source), this plant covers the ammonia need for approx 670 thousands people. The investment cost per individual is about 40$ only.

Sources:

https://www.yara.com/corporate-releases/yara-opens-renewable-hydrogen-plant-a-major-milestone/

https://www.spglobal.com/commodityinsights/en/market-insights/latest-news/energy-transition/061024-yara-starts-up-europes-largest-green-hydrogen-plant-in-norway