26 U.S.C. § 25D
In the case of an individual, there shall be allowed as a credit against the tax imposed by this chapter for the taxable year an amount equal to the sum of the applicable percentages of-
made by the taxpayer during such year.
In the case of any qualified fuel cell property expenditure, the credit allowed under subsection (a) (determined without regard to subsection (c)) for any taxable year shall not exceed $500 with respect to each half kilowatt of capacity of the qualified fuel cell property (as defined in section 48(c)(1)) to which such expenditure relates.
No credit shall be allowed under this section for an item of property described in subsection (d)(1) unless such property is certified for performance by the non-profit Solar Rating Certification Corporation or a comparable entity endorsed by the government of the State in which such property is installed.
If the credit allowable under subsection (a) exceeds the limitation imposed by section 26(a) for such taxable year reduced by the sum of the credits allowable under this subpart (other than this section), such excess shall be carried to the succeeding taxable year and added to the credit allowable under subsection (a) for such succeeding taxable year.
For purposes of this section-
The term "qualified solar water heating property expenditure" means an expenditure for property to heat water for use in a dwelling unit located in the United States and used as a residence by the taxpayer if at least half of the energy used by such property for such purpose is derived from the sun.
The term "qualified solar electric property expenditure" means an expenditure for property which uses solar energy to generate electricity for use in a dwelling unit located in the United States and used as a residence by the taxpayer.
The term "qualified fuel cell property expenditure" means an expenditure for qualified fuel cell property (as defined in section 48(c)(1), without regard to subparagraph (D) thereof) installed on or in connection with a dwelling unit located in the United States and used as a principal residence (within the meaning of section 121) by the taxpayer.
The term "qualified small wind energy property expenditure" means an expenditure for property which uses a wind turbine to generate electricity for use in connection with a dwelling unit located in the United States and used as a residence by the taxpayer.
The term "qualified geothermal heat pump property expenditure" means an expenditure for qualified geothermal heat pump property installed on or in connection with a dwelling unit located in the United States and used as a residence by the taxpayer.
The term "qualified geothermal heat pump property" means any equipment which-
The term "qualified battery storage technology expenditure" means an expenditure for battery storage technology which-
For purposes of this section-
Expenditures for labor costs properly allocable to the onsite preparation, assembly, or original installation of the property described in subsection (d) and for piping or wiring to interconnect such property to the dwelling unit shall be taken into account for purposes of this section.
No expenditure relating to a solar panel or other property installed as a roof (or portion thereof) shall fail to be treated as property described in paragraph (1) or (2) of subsection (d) solely because it constitutes a structural component of the structure on which it is installed.
Expenditures which are properly allocable to a swimming pool, hot tub, or any other energy storage medium which has a function other than the function of such storage shall not be taken into account for purposes of this section.
In the case of any dwelling unit with respect to which qualified fuel cell property expenditures are made and which is jointly occupied and used during any calendar year as a residence by two or more individuals, the following rules shall apply:
The maximum amount of such expenditures which may be taken into account under subsection (a) by all such individuals with respect to such dwelling unit during such calendar year shall be $1,667 in the case of each half kilowatt of capacity of qualified fuel cell property (as defined in section 48(c)(1)) with respect to which such expenditures relate.
The expenditures allocated to any individual for the taxable year in which such calendar year ends shall be an amount equal to the lesser of-
In the case of an individual who is a tenant-stockholder (as defined in section 216) in a cooperative housing corporation (as defined in such section), such individual shall be treated as having made his tenant-stockholder's proportionate share (as defined in section 216(b)(3)) of any expenditures of such corporation.
In the case of an individual who is a member of a condominium management association with respect to a condominium which the individual owns, such individual shall be treated as having made the individual's proportionate share of any expenditures of such association.
For purposes of this paragraph, the term "condominium management association" means an organization which meets the requirements of paragraph (1) of section 528(c) (other than subparagraph (E) thereof) with respect to a condominium project substantially all of the units of which are used as residences.
If less than 80 percent of the use of an item is for nonbusiness purposes, only that portion of the expenditures for such item which is properly allocable to use for nonbusiness purposes shall be taken into account.
Except as provided in subparagraph (B), an expenditure with respect to an item shall be treated as made when the original installation of the item is completed.
In the case of an expenditure in connection with the construction or reconstruction of a structure, such expenditure shall be treated as made when the original use of the constructed or reconstructed structure by the taxpayer begins.
For purposes of this subtitle, if a credit is allowed under this section for any expenditure with respect to any property, the increase in the basis of such property which would (but for this subsection) result from such expenditure shall be reduced by the amount of the credit so allowed.
For purposes of subsection (a), the applicable percentage shall be-
The credit allowed under this section shall not apply to property placed in service after December 31, 2034.
26 U.S.C. § 25D
EDITORIAL NOTES
AMENDMENTS2022- Pub. L. 117-169, §13302(c)(2), substituted "clean energy credit" for "energy efficient property" in section catchline.Subsec. (a)(6). Pub. L. 117-169, §13302(b)(1), amended par. (6) generally. Prior to amendment, par. (6) read as follows: "the qualified biomass fuel property expenditures, and".Subsec. (d)(3). Pub. L. 117-169, §13302(c)(1), inserted ", without regard to subparagraph (D) thereof" after "section 48(c)(1)".Subsec. (d)(6). Pub. L. 117-169, §13302(b)(2), amended par. (6) generally. Prior to amendment, text read as follows:"(A) IN GENERAL.-The term 'qualified biomass fuel property expenditure' means an expenditure for property-"(i) which uses the burning of biomass fuel to heat a dwelling unit located in the United States and used as a residence by the taxpayer, or to heat water for use in such a dwelling unit, and"(ii) which has a thermal efficiency rating of at least 75 percent (measured by the higher heating value of the fuel)."(B) BIOMASS FUEL.-For purposes of this section, the term 'biomass fuel' means any plant-derived fuel available on a renewable or recurring basis."Subsec. (g)(2). Pub. L. 117-169, §13302(a)(2)(A), substituted "before January 1, 2022, 26 percent," for "before January 1, 2023, 26 percent, and". Subsec. (g)(3) to (5). Pub. L. 117-169, §13302(a)(2)(B), added pars. (3) to (5) and struck out former par. (3) which read as follows: "in the case of property placed in service after December 31, 2022, and before January 1, 2024, 22 percent."Subsec. (h). Pub. L. 117-169, §13302(a)(1), substituted "December 31, 2034" for "December 31, 2023".2020-Subsec. (a)(6). Pub. L. 116-260, §148(b)(1), added par. (6).Subsec. (d)(6). Pub. L. 116-260, §148(b)(2), added par. (6).Subsec. (g)(2). Pub. L. 116-260, §148(a)(2)(A), substituted "January 1, 2023" for "January 1, 2021".Subsec. (g)(3). Pub. L. 116-260, §148(a)(2)(B), substituted "after December 31, 2022, and before January 1, 2024" for "after December 31, 2020, and before January 1, 2022". Subsec. (h). Pub. L. 116-260, §148(a)(1), substituted "December 31, 2023" for "December 31, 2021".2018-Subsec. (a). Pub. L. 115-123, §40402(b)(1), substituted "the sum of the applicable percentages of-", pars. (1) to (5), and concluding provisions for "the sum of-"(1) the applicable percentage of the qualified solar electric property expenditures made by the taxpayer during such year, "(2) the applicable percentage of the qualified solar water heating property expenditures made by the taxpayer during such year, "(3) 30 percent of the qualified fuel cell property expenditures made by the taxpayer during such year,"(4) 30 percent of the qualified small wind energy property expenditures made by the taxpayer during such year, and"(5) 30 percent of the qualified geothermal heat pump property expenditures made by the taxpayer during such year."Subsec. (g). Pub. L. 115-123, §40402(b)(2), struck out "paragraphs (1) and (2) of" before "subsection (a)," in introductory provisions.Subsec. (h). Pub. L. 115-123, §40402(a), substituted "December 31, 2021." for "December 31, 2016 (December 31, 2021, in the case of any qualified solar electric property expenditures and qualified solar water heating property expenditures)." 2015-Subsec. (a)(1), (2). Pub. L. 114-113, §304(a)(1), substituted "the applicable percentage" for "30 percent".Subsec. (g). Pub. L. 114-113, §304(a)(4), added subsec. (g). Former subsec. (g) redesignated (h). Pub. L. 114-113, §304(a)(2), inserted "(December 31, 2021, in the case of any qualified solar electric property expenditures and qualified solar water heating property expenditures)" before period at end.Subsec. (h). Pub. L. 114-113, §304(a)(3), redesignated subsec. (g) as (h).2013-Subsec. (c). Pub. L. 112-240 amended subsec. (c) generally. Prior to amendment, subsec. (c) related to limitation based on amount of tax and carryforward of unused credit. 2009-Subsec. (b)(1). Pub. L. 111-5, §1122(a)(1), amended par. (1) generally. Prior to amendment, par. (1) related to maximum credit with respect to qualified solar water heating property expenditures, qualified fuel cell property, qualified small wind energy property expenditures, and qualified geothermal heat pump property expenditures.Subsec. (e)(4). Pub. L. 111-5, §1122(a)(2)(A), added par. heading and introductory provisions and struck out former heading and introductory provisions. Former introductory provisions read as follows: "In the case of any dwelling unit which is jointly occupied and used during any calendar year as a residence by two or more individuals the following rules shall apply:".Subsec. (e)(4)(A). Pub. L. 111-5, §1122(a)(2)(A), added subpar. (A) and struck out former subpar. (A) which related to maximum amount of expenditures allowed for credit in jointly occupied dwelling units with respect to qualified solar water heating property expenditures, qualified fuel cell property, qualified small wind energy property expenditures, and qualified geothermal heat pump property expenditures.Subsec. (e)(4)(C). Pub. L. 111-5, §1122(a)(2)(B), struck out subpar. (C) which read as follows: "Subparagraphs (A) and (B) shall be applied separately with respect to expenditures described in paragraphs (1), (2), and (3) of subsection (d)."Subsec. (e)(9). Pub. L. 111-5, §1103(b)(2)(B), struck out par. (9). Text read as follows: "For purposes of determining the amount of expenditures made by any individual with respect to any dwelling unit, there shall not be taken into account expenditures which are made from subsidized energy financing (as defined in section 48(a)(4)(C))." 2008-Subsec. (a)(4). Pub. L. 110-343, §106(c)(1), added par. (4).Subsec. (a)(5). Pub. L. 110-343, §106(d)(1), added par. (5).Subsec. (b)(1). Pub. L. 110-343, §106(b)(1), amended par. (1) as amended by Pub. L. 110-343, §106(c)(2) and (d)(2), by redesignating subpars. (B) to (E) as (A) to (D), respectively, and striking out former subpar. (A) which read as follows: "$2,000 with respect to any qualified solar electric property expenditures,".Subsec. (b)(1)(D). Pub. L. 110-343, §106(c)(2), added subpar. (D).Subsec. (b)(1)(E). Pub. L. 110-343, §106(d)(2), added subpar. (E).Subsec. (c). Pub. L. 110-343, §106(e)(1), amended heading and text of subsec. (c) generally. Prior to amendment, subsec. (c) related to carryforward of unused credit.Subsec. (d)(4). Pub. L. 110-343, §106(c)(3)(A), added par. (4).Subsec. (d)(5). Pub. L. 110-343, §106(d)(3), added par. (5).Subsec. (e)(4)(A). Pub. L. 110-343, §106(b)(2), amended subpar. (A) as amended by Pub. L. 110-343, §106(c)(4) and (d)(4), by redesignating cls. (ii) to (v) as (i) to (iv), respectively, and striking out former cl. (i) which read as follows: "$6,667 in the case of any qualified solar electric property expenditures,". Subsec. (e)(4)(A)(iv). Pub. L. 110-343, §106(c)(4), added cl. (iv).Subsec. (e)(4)(A)(v). Pub. L. 110-343, §106(d)(4), added cl. (v).Subsec. (g). Pub. L. 110-343, §106(a), substituted "December 31, 2016" for "December 31, 2008". 2006-Subsecs. (a)(1), (b)(1)(A). Pub. L. 109-432, §206(b)(1), substituted "solar electric property expenditures" for "photovoltaic property expenditures".Subsec. (d)(2). Pub. L. 109-432, §206(b)(2), substituted "solar electric property expenditure" for "photovoltaic property expenditure" in heading and text. Subsec. (e)(4)(A)(i). Pub. L. 109-432, §206(b)(1), substituted "solar electric property expenditures" for "photovoltaic property expenditures".Subsec. (g). Pub. L. 109-432, §206(a), substituted "2008" for "2007".2005-Subsec. (b)(1). Pub. L. 109-135, §402(i)(1), inserted "(determined without regard to subsection (c))" after "subsection (a)" in introductory provisions.Subsec. (c). Pub. L. 109-135, §402(i)(3)(E), reenacted heading without change and amended text generally. Prior to amendment, text read as follows: "If the credit allowable under subsection (a) exceeds the limitation imposed by section 26(a) for such taxable year reduced by the sum of the credits allowable under this subpart (other than this section), such excess shall be carried to the succeeding taxable year and added to the credit allowable under subsection (a) for such succeeding taxable year."Subsec. (e)(4)(A), (B). Pub. L. 109-135, §402(i)(2), amended subpars. (A) and (B) generally. Prior to amendment, subpars. (A) and (B) read as follows:"(A) The amount of the credit allowable, under subsection (a) by reason of expenditures (as the case may be) made during such calendar year by any of such individuals with respect to such dwelling unit shall be determined by treating all of such individuals as 1 taxpayer whose taxable year is such calendar year."(B) There shall be allowable, with respect to such expenditures to each of such individuals, a credit under subsection (a) for the taxable year in which such calendar year ends in an amount which bears the same ratio to the amount determined under subparagraph (A) as the amount of such expenditures made by such individual during such calendar year bears to the aggregate of such expenditures made by all of such individuals during such calendar year."
STATUTORY NOTES AND RELATED SUBSIDIARIES
EFFECTIVE DATE OF 2022 AMENDMENT Pub. L. 117-169, §13302(d), Aug. 16, 2022, 136 Stat. 1947, provided that:"(1) IN GENERAL.-Except as provided in paragraph (2), the amendments made by this section [amending this section] shall apply to expenditures made after December 31, 2021. "(2) RESIDENTIAL CLEAN ENERGY CREDIT FOR BATTERY STORAGE TECHNOLOGY; CERTAIN EXPENDITURES DISALLOWED.-The amendments made by subsection (b) [amending this section] shall apply to expenditures made after December 31, 2022."
EFFECTIVE DATE OF 2020 AMENDMENT Pub. L. 116-260, div. EE, title I, §148(c)(1), Dec. 27, 2020, 134 Stat. 3056, provided that: "The amendments made by subsection (a) [amending this section] shall apply to property placed in service after December 31, 2020."Amendment by section 148(b) of Pub. L. 116-260 applicable to expenditures paid or incurred in taxable years beginning after Dec. 31, 2020, see section 148(c)(2) of div. EE of Pub. L. 116-260, set out as a note under section 25C of this title.
EFFECTIVE DATE OF 2018 AMENDMENT Pub. L. 115-123, div. D, title I, §40402(c), Feb. 9, 2018, 132 Stat. 148, provided that: "The amendment made by this section [amending this section] shall apply to property placed in service after December 31, 2016."
EFFECTIVE DATE OF 2015 AMENDMENT Pub. L. 114-113, div. P, title III, §304(b), Dec. 18, 2015, 129 Stat. 3040, provided that: "The amendments made by this section [amending this section] shall take effect on January 1, 2017."
EFFECTIVE DATE OF 2013 AMENDMENT Amendment by Pub. L. 112-240 applicable to taxable years beginning after Dec. 31, 2011, see section 104(d) of Pub. L. 112-240, set out as a note under section 23 of this title.
EFFECTIVE DATE OF 2009 AMENDMENT Amendment by section 1103(b)(2)(B) of Pub. L. 111-5 applicable to taxable years beginning after Dec. 31, 2008, see section 1103(c)(2) of Pub. L. 111-5, set out as a note under section 25C of this title. Pub. L. 111-5, div. B, title I, §1122(b), Feb. 17, 2009, 123 Stat. 324, provided that: "The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2008."
EFFECTIVE DATE OF 2008 AMENDMENT Amendment by Pub. L. 110-343 applicable to taxable years beginning after Dec. 31, 2007, except that amendment by section 106(b) of Pub. L. 110-343 applicable to taxable years beginning after Dec. 31, 2008, see section 106(f)(1), (2) of Pub. L. 110-343, set out as an Effective and Termination Dates of 2008 Amendment note under section 23 of this title.
EFFECTIVE AND TERMINATION DATES OF 2005 AMENDMENTAmendment by section 402(i)(3)(E) of Pub. L. 109-135 subject to title IX of the Economic Growth and Tax Relief Reconciliation Act of 2001, Pub. L. 107-16, §901, in the same manner as the provisions of such Act to which such amendment relates, see section 402(i)(3)(H) of Pub. L. 109-135, set out as a note under section 23 of this title. Title IX of Pub. L. 107-16 was repealed by Pub. L. 112-240, §101(a)(1), Jan. 2, 2013, 126 Stat. 2315.Amendments by Pub. L. 109-135 effective as if included in the provisions of the Energy Policy Act of 2005, Pub. L. 109-58, to which they relate, except that amendment by section 402(i)(3)(E) of Pub. L. 109-135 is applicable to taxable years beginning after Dec. 31, 2005, see section 402(m) of Pub. L. 109-135, set out as a note under section 23 of this title.
EFFECTIVE DATESection applicable to property placed in service after Dec. 31, 2005, in taxable years ending after such date, see section 1335(c) of Pub. L. 109-58, set out as an Effective and Termination Dates of 2005 Amendments note under section 23 of this title.
- State
- The term "State" shall be construed to include the District of Columbia, where such construction is necessary to carry out provisions of this title.
- corporation
- The term "corporation" includes associations, joint-stock companies, and insurance companies.
- taxable year
- The term "taxable year" means the calendar year, or the fiscal year ending during such calendar year, upon the basis of which the taxable income is computed under subtitle A. "Taxable year" means, in the case of a return made for a fractional part of a year under the provisions of subtitle A or under regulations prescribed by the Secretary, the period for which such return is made.
- taxpayer
- The term "taxpayer" means any person subject to any internal revenue tax.