The map shows polymer electrolyte membrane (PEM) electrolyzers of 120 kW and above that are currently installed or under construction across the United States as of June 2021. Source: Arjona et al., DOE Hydrogen Program Record 20009, June 2021
To report a planned or installed PEM electrolyzer with a capacity of 0.5 MW or greater in your state, please contact fuelcells@ee.doe.gov.