
Hidrogenii, the joint venture between Plug Power Inc. and Olin Corp., has commissioned its 15 metric-ton-per-day (TPD) hydrogen liquefaction plant in St. Gabriel, Louisiana. Among the largest electrolytic hydrogen liquefaction facilities in North America, the site marks a major milestone in strengthening the regional hydrogen supply chain and accelerating the US transition to low-carbon energy.
The newly commissioned facility will liquify hydrogen produced by Olin for trailer shipments across the United States, serving Plug’s material handling customers and utilizing Plug Power’s novel spot pricing market. The plant is designed to liquefy up to 15 TPD of hydrogen at maximum capacity, increasing Plug Power’s total production capacity to 40 TPD.
“This Louisiana plant, a milestone in expanding our US hydrogen network, bolsters our financial position by leveraging a dependable, cost-effective hydrogen source, reducing our reliance on third-party suppliers,” said Andy Marsh, chief executive officer (CEO) of Plug Power.
Ken Lane, president and CEO of Olin, added, “This joint venture is consistent with Olin’s value-first approach to build on our existing leading positions through high-value adjacencies or bolt-ons that align with our capital allocation framework.”
Established in 2022, Hidrogenii was formed by Plug Power and Olin to build and operate this state-of-the-art liquid hydrogen facility in St. Gabriel. The plant plays a key role in Plug’s broader strategy to scale a national green hydrogen network, joining existing Plug production sites in Woodbine, Georgia (15 TPD), and Charleston, Tennessee (10 TPD).
With electrolyzers deployed across five continents, Plug Power is building a global hydrogen economy with a fully integrated ecosystem spanning production, storage, delivery, and power generation. The company provides electrolyzers, liquid hydrogen, fuel cell systems, storage tanks, and fueling infrastructure to industries such as material handling, industrial applications, and energy producers. The company has deployed over 72,000 fuel cell systems and 275 fueling stations and is the largest user of liquid hydrogen. With plants operational in Georgia, Tennessee, and Louisiana, Plug Power’s total production capacity is now 40 tons per day.









