A common concern highlighted by hydrogen producers and developers was the availability of key components and materials that are necessary to build H2Hubs. Under the “Buy America” requirements outlined in the funding opportunity announcement, proposers must source all H2Hub iron, steel, manufactured products, and construction materials from US producers. This domestic-procurement provision can be a significant hurdle. For manufactured products, which includes hydrogen production equipment, the provision requires manufacturing to take place domestically and that greater than 55 percent of the cost of the components of the product are mined, produced, or manufactured in the United States.This provision creates a particular constraint for scaling electrolysis. Electrolyzer components such as anodes, cathodes, membranes, and minerals like platinum and iridium may need to be imported,…