Final Treasury Rule Expands Eligibility For Critical Minerals In IRA Credit

The Treasury Department’s final implementing rules for the Inflation Reduction Act’s (IRA) “45X” manufacturing tax credit expands eligibility for materials and extraction costs related to critical minerals and certain battery materials, after the mining and electric vehicle (EV) sectors criticized the proposed policy as too inflexible. In addition, the final rule affirms proposed language that would allow thermal batteries -- which can store energy derived from renewables as heat energy -- to also qualify for the incentive, bolstering the supply...