Manufacturing giants Mitsubishi and Siemens are just some of the organizations putting forward ideas.
It comes after a market sounding process recently concluded inviting proposals on the technical, system and commercial project approaches for the hydrogen jobs plan.
From here the new Hydrogen Power SA office is expected to use the submissions to shape the final design and implementation of the project.
Premier Peter Malinauskas says the high amount of interest is positive for the state.
“We have positioned our state as a world leader in renewable energy, and the green hydrogen industry is the next step as we head towards net zero carbon emissions,” he said.
Hydrogen Power SA chief executive Sam Crafter said he was pleased with the number of applications received not only in Australia but across the globe.
“We will continue to analyse the submissions over the coming days and weeks, and we look forward to working with industry to deliver the Hydrogen Jobs Plan,” he said.