I 
117TH CONGRESS 
1ST SESSION H. R. 1684 
To amend the Internal Revenue Code of 1986 to provide tax credits for 
energy storage technologies, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
MARCH 9, 2021 
Mr. MICHAEL F. DOYLE of Pennsylvania (for himself, Mr. BUCHANAN, and 
Mr. BLUMENAUER) introduced the following bill; which was referred to 
the Committee on Ways and Means 
A BILL 
To amend the Internal Revenue Code of 1986 to provide 
tax credits for energy storage technologies, and for other 
purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Energy Storage Tax 
Incentive and Deployment Act of 2021’’. 
SEC. 2. ENERGY CREDIT FOR ENERGY STORAGE TECH-
NOLOGIES. 
(a) 
IN
GENERAL.—Subclause 
(II) 
of 
section 
48(a)(2)(A)(i) of the Internal Revenue Code of 1986 is 
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amended by striking ‘‘paragraph (3)(A)(i)’’ and inserting 
‘‘clause (i) or (ix) of paragraph (3)(A)’’. 
(b) ENERGY STORAGE TECHNOLOGIES.—Subpara-
graph (A) of section 48(a)(3) of the Internal Revenue 
Code of 1986 is amended by striking ‘‘or’’ at the end of 
clause (vii), by adding ‘‘or’’ at the end of clause (viii), and 
by adding at the end the following new clause: 
‘‘(ix) equipment which receives, stores, 
and delivers energy using batteries, com-
pressed air, pumped hydropower, hydrogen 
storage (including electrolysis), thermal en-
ergy storage, regenerative fuel cells, fly-
wheels, capacitors, superconducting mag-
nets, or other technologies identified by the 
Secretary in consultation with the Sec-
retary of Energy, and which has a capacity 
of not less than 5 kilowatt hours,’’. 
(c) PHASEOUT OF CREDIT.—Paragraph (6) of sec-
tion 48(a) of the Internal Revenue Code of 1986 is amend-
ed— 
(1) by striking ‘‘ENERGY’’ in the heading and 
inserting ‘‘AND ENERGY STORAGE’’; and 
(2) by striking ‘‘paragraph (3)(A)(i)’’ both 
places it appears and inserting ‘‘clause (i) or (ix) of 
paragraph (3)(A)’’. 
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(d) EFFECTIVE DATE.—The amendments made by 
this section shall apply to property placed in service after 
December 31, 2020. 
SEC. 3. RESIDENTIAL ENERGY EFFICIENT PROPERTY 
CREDIT 
FOR 
BATTERY 
STORAGE 
TECH-
NOLOGY. 
(a) IN GENERAL.—Subsection (a) of section 25D of 
the Internal Revenue Code of 1986 is amended— 
(1) by striking ‘‘and’’ at the end of paragraph 
(5); and 
(2) by adding at the end the following new 
paragraph: 
‘‘(7) the qualified battery storage technology ex-
penditures,’’. 
(b) QUALIFIED BATTERY STORAGE TECHNOLOGY 
EXPENDITURE.—Subsection (d) of section 25D of the In-
ternal Revenue Code of 1986 is amended by adding at the 
end the following new paragraph: 
‘‘(7) QUALIFIED
BATTERY
STORAGE
TECH-
NOLOGY
EXPENDITURE.—The term ‘qualified bat-
tery storage technology expenditure’ means an ex-
penditure for battery storage technology which— 
‘‘(A) is installed on or in connection with 
a dwelling unit located in the United States and 
used as a residence by the taxpayer, and 
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‘‘(B) has a capacity of not less than 3 kilo-
watt hours.’’. 
(c) EFFECTIVE DATE.—The amendments made by 
this section shall apply to expenditures paid or incurred 
in taxable years beginning after December 31, 2020. 
Æ 
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