US confirms early sunset for hydrogen tax credits

Race is on to meet end-2027 deadline for 45V as Congress passes One Big Beautiful Bill Act

Clean hydrogen projects hoping to qualify for the 45V production tax credit in the US must start construction by the end of December 2027, according to the final version of President Donald Trump’s tax and spend One Big Beautiful Bill Act, which was passed by Congress on 3 July after lengthy debate. This means the credit—which offers up to $3/kg and is key to the viability of most if not all green hydrogen projects in the US—ends five years earlier than planned under the previous administration’s Inflation Reduction Act. However, the new deadline for sunsetting 45V could have been tighter. In May, House Republicans had called for the credit to expire at the end of this year. “Extension