Any eligible component produced and sold by the taxpayer shall be taken into account only if the production and sale described in paragraph (1) is in a trade or business of the taxpayer.
For purposes of this subsection, a taxpayer shall be treated as selling components to an unrelated person if such component is sold to such person by a person related to the taxpayer.
This section shall not apply to any wind energy component produced and sold after December 31, 2027.
For purposes of subparagraph (K)(ii) or (L)(ii) of paragraph (1), the capacity determined under either subparagraph with respect to a battery cell or battery module shall not exceed a capacity-to-power ratio of 100:1.
For purposes of this paragraph, the term “capacity-to-power ratio” means, with respect to a battery cell or battery module, the ratio of the capacity of such cell or module to the maximum discharge amount of such cell or module.
The term “eligible component” shall not include any property which is produced at a facility if the basis of any property which is part of such facility is taken into account for purposes of the credit allowed under section 48C after the date of the enactment of this section.
In the case of taxable years beginning after the date of enactment of this subparagraph, the term “eligible component” shall not include any property which includes any material assistance from a prohibited foreign entity (as defined in section 7701(a)(52), as applied by substituting “used in a product sold before January 1, 2027” for “used in a product sold before January 1, 2030” in subparagraph (D)(iv)(II)(bb) thereof).
The term “inverter” means an end product which is suitable to convert direct current electricity from 1 or more solar modules or certified distributed wind energy systems into alternating current electricity.
The term “central inverter” means an inverter which is suitable for large utility-scale systems and has a capacity which is greater than 1,000 kilowatts (expressed on a per alternating current watt basis).
The term “certified distributed wind energy system” means a wind energy system which is certified by an accredited certification agency to meet Standard 9.1-2009 of the American Wind Energy Association (including any subsequent revisions to or modifications of such Standard which have been approved by the American National Standards Institute).
The term “photovoltaic cell” means the smallest semiconductor element of a solar module which performs the immediate conversion of light into electricity.
The term “polymeric backsheet” means a sheet on the back of a solar module which acts as an electric insulator and protects the inner components of such module from the surrounding environment.
The term “solar tracker” means a mechanical system that moves solar modules according to the position of the sun and to increase energy output.
The term “related offshore wind vessel” means any vessel which is purpose-built or retrofitted for purposes of the development, transport, installation, operation, or maintenance of offshore wind energy components.
The term “electrode active material” means cathode materials, anode materials, anode foils, and electrochemically active materials, including solvents, additives, and electrolyte salts that contribute to the electrochemical processes necessary for energy storage.
Barite which is barium sulfate purified to a minimum purity of 80 percent barite by mass.
Graphite which is purified to a minimum purity of 99.9 percent graphitic carbon by mass.
Metallurgical coal which is suitable for use in the production of steel (within the meaning of the notice published by the Department of Energy entitled “Critical Material List; Addition of Metallurgical Coal Used for Steelmaking” (90 Fed. Reg. 22711 (May 29, 2025))), regardless of whether such production occurs inside or outside of the United States.
Persons shall be treated as related to each other if such persons would be treated as a single employer under the regulations prescribed under section 52(b).
Under regulations prescribed by the Secretary, rules similar to the rules of subsection (d) of section 52 shall apply.
For purposes of this section, a person shall be treated as having sold an eligible component to an unrelated person if such component is integrated, incorporated, or assembled into another eligible component which is sold to an unrelated person.
In the case of a taxpayer for which section 7701(a)(51)(D)(i)(II) is determined to apply for any taxable year, no credit shall be determined under subsection (a) for such taxable year if such determination relates to an eligible component described in subsection (c)(1).