In the Saudi Arabian desert, the world's largest green hydrogen plant is 80% complete and will use 4 gigawatts of solar and wind energy to produce 600 tons of clean fuel per day when it opens in 2027.

In the Saudi Arabian desert, the world’s largest green hydrogen plant is 80% complete and will use 4 gigawatts of solar and wind energy to produce 600 tons of clean fuel per day when it opens in 2027.

Written by Douglas Avila

Published on 13/04/2026 at 06:42

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The NEOM Green Hydrogen Company is building the world’s largest green hydrogen plant in Oxagon, Saudi Arabia, with an investment of $8.4 billion, 4 GW of solar and wind energy, 2.2 GW electrolyzers, and the capacity to produce 600 tons of clean hydrogen per day

In the middle of the Saudi desert, a factory that did not exist two years ago is changing the global clean energy landscape. The NEOM green hydrogen is a joint venture between NEOM, ACWA Power, and Air Products, each holding a 33.33% stake. The total investment reaches $8.4 billion, and construction has already achieved 80% progress across all sites by the first quarter of 2025.

According to Ali Al-Kaabi, CEO of NGHC: “NGHC is leading the global energy transition from Saudi Arabia, in line with Saudi Vision 2030. By harnessing the power of nature, our strong partnerships, and innovative technology, we are building a carbon-free world for future generations.”

The impressive numbers of the largest NEOM green hydrogen plant on the planet

Industrial electrolyzers producing NEOM green hydrogen

Investment: $8.4 billion
Renewable energy: 4 GW (onshore solar + wind + storage)
Electrolyzers: 2.2 GW capacity
Daily production: 600-650 tons of green hydrogen
Green ammonia: 1.2 million tons per year
Emissions avoided: up to 5 million tons of CO2 per year
Construction: 80% completed (Q1 2025)
Expected operation: 2027

The Air Products is the main contractor for engineering, procurement, and construction, while thyssenkrupp provides the electrolyzers of over 2 GW. Thus, the NEOM green hydrogen plant is the world’s first utility-scale and commercial facility, surpassing smaller European and Asian projects.

ARTICLE CONTINUES BELOW

How the conversion of sun and wind into clean fuel works

Wind turbines and solar park powering NEOM green hydrogen plant

The plant harnesses NEOM’s abundant natural resources — constant sun and strong winds — to generate 4 GW of renewable electricity. This energy powers the electrolyzers that separate water into hydrogen and oxygen. Consequently, the hydrogen is converted into green ammonia for global transport and export.

The project received industrial licensing from the Saudi Ministry of Industry and Mineral Resources in January 2023, becoming the first licensed NEOM green hydrogen venture in the kingdom. Additionally, the financial close mobilized 23 banks and international institutions in May 2023. The global trend of investing billions in energy technology finds its most ambitious example in this project.

What NEOM green hydrogen promises — and what still needs to be proven

Green ammonia tanks at the NEOM green hydrogen export port

The climate impact is significant: up to 5 million tons of CO2 avoided per year, decarbonizing sectors such as transportation, aviation, shipping, and heavy industry. Therefore, the project contributes to a regional hydrogen market estimated at SAR 750 billion by 2050.

However, the operation date has already been adjusted from 2026 to 2027 in recent updates. Additionally, logistical challenges in the desert and reliance on emerging technologies may cause further delays. Still, with 80% of construction completed and financing secured, NEOM green hydrogen is the most concrete project in the world in the race for the fuel of the future.

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In the Saudi Arabian desert, the world’s largest green hydrogen plant is 80% complete and will use 4 gigawatts of solar and wind energy to produce 600 tons of clean fuel per day when it opens in 2027.

The NEOM Green Hydrogen Company is building the world’s largest green hydrogen plant in Oxagon, Saudi Arabia, with an investment of $8.4 billion, 4 GW of solar and wind energy, 2.2 GW electrolyzers, and the capacity to produce 600 tons of clean hydrogen per day

The impressive numbers of the largest NEOM green hydrogen plant on the planet

How the conversion of sun and wind into clean fuel works

What NEOM green hydrogen promises — and what still needs to be proven

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In the Saudi Arabian desert, the world’s largest green hydrogen plant is 80% complete and will use 4 gigawatts of solar and wind energy to produce 600 tons of clean fuel per day when it opens in 2027.

The NEOM Green Hydrogen Company is building the world’s largest green hydrogen plant in Oxagon, Saudi Arabia, with an investment of $8.4 billion, 4 GW of solar and wind energy, 2.2 GW electrolyzers, and the capacity to produce 600 tons of clean hydrogen per day

The impressive numbers of the largest NEOM green hydrogen plant on the planet

How the conversion of sun and wind into clean fuel works

What NEOM green hydrogen promises — and what still needs to be proven

Scientists enter a narrow, flooded cave 500 meters deep and find giant dinosaur footprints on the ceiling measuring up to 1.25 meters, preserved in such a rare way that a new type of trace had to be created.

In Botswana, a salt flat of up to 16,000 km² that was once an African megalake spends months as an absolute white desert, but during the rainy season it transforms into a shallow sea that reappears from nowhere and can be seen from space in the middle of southern Africa.

A giant half-ton ring fell in Kenya from space, and more than a year later, scientists still do not know where it came from.

After two years of internal discussions, Paraguay has finally regulated the law that opens the country to foreign technology and service companies with tax incentives that promise to create thousands of jobs and change the economy.

Map reveals how the Earth may look in 250 million years: continents will reunite in the Last Pangaea, 92% of the planet could become uninhabitable for mammals, and Spain appears among the rare possible exceptions.

About 6,000 residents live concentrated along a single street nearly 9 km long in the interior of Poland, with houses forming a continuous row and narrow agricultural strips emerging behind them, creating one of the most unusual rural patterns in Europe.

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