(Austin, Texas/USA) – Green Hydrogen International (GHI) has announced plans to create what it describes as “the world’s largest green hydrogen hub” in the US. The 60 gigawatt project, called “Hydrogen City,” will be a center for the production, storage and transport of green hydrogen with an annual production capacity of more than 2,5 billion kilograms.
The focus is on a reservoir in the Piedras Pintas salt dome in Duval County, Texas. 
The energy source is transported via pipelines to Corpus Christi and Brownsville on the Gulf of Mexico, where it is converted into green ammonia, sustainable aviation fuel and other products or delivered via pipelines directly to hydrogen power plants and other users throughout the state.
The electricity for the electrolyzers comes from solar and wind turbines, with additional electricity from renewable energies being purchased from the transmission and interconnection system operator Electric Reliability Council of Texas (ERCOT) in times of low prices.
Rocket base as a possible buyer of green hydrogen?
GHI is examining several options for the use of the energy source and its derivatives. For example, green ammonia can be exported to Asia or used as fertilizer for local farmers. Co-firing in gas power plants is also conceivable.
And of course the production of green fuel for aircraft and rockets: Elon Musk has chosen the region around Brownsville, two and a half hours' drive south of Corpus Christi, as one of the locations for the Space Exploration Technologies Corporation (SpaceX). There, in Boca Chica, the billionaire wants to establish a city called “Starbase”. Rockets are being developed, built and tested on the existing base - and later people may also fly into space from there.
Commissioning planned for 2026
The project will be built in phases, with the first phase expected to be commissioned in 2026 and initially consisting of a 2 gigawatt production facility and two caverns in the Piedras Pintas salt dome. Access to salt storage is critical to expanding green hydrogen production, “as they enable maximum utilization of electrolyzers and serve as a buffer between variable wind and solar production and the delivery of green hydrogen to customers,” it said Company.
Ultimately, more than 50 caverns could be created in the Piedras Pintas salt dome, capable of absorbing up to six terawatt hours of energy and making the salt dome a hub for storing green hydrogen.
“Hydrogen City is a world-class project that positions Texas as a leading producer of green hydrogen,” said Brian Maxwell, founder and CEO of GHI. The company is supported by the Australian renewable energy developer Energy Estate Pty. Ltd. GHI did not explain in more detail the nature of the collaboration between the two companies.
deep link
https://www.ghi-corp.com/projects/hydrogen-city
Photos
SpaceX develops, builds and tests spacecraft and rockets at its Starbase in Texas. © Space Exploration Technologies Corporation
Graphic center
Graphical representation of the planned “Hydrogen City” with hydrogen and ammonia production. © Green Hydrogen International Corp.
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