May 7, 2026
Mr. Panetta (for himself and Mr. Harrigan) introduced the following bill; which was referred to the Committee on Science, Space, and Technology
To amend the Energy Act of 2020 to modify certain programs and projects with respect to energy storage technology, and for other purposes.
Section 1. Short title
This Act may be cited as the Better Energy Storage and Safety Act
.
Sec. 2. Modification of certain programs and projects with respect to energy storage technology
(a) Clarification of definition of energy storage system
Subsection (a)(1) of section 3201 of the Energy Act of 2020 (42 U.S.C. 17232) is amended by inserting (including any components or modules that comprise such a system)
after any system
.
(b) Energy Storage System Research, Development, and Deployment Program
(1) Expanding objectives
Paragraph (2) of section 3201(b) of the Energy Act of 2020 (42 U.S.C. 17232(b)) is amended—
(A)
in subparagraph (A)—
(i)
in the matter preceding clause (i), by inserting modules,
after components,
; and
(ii)
in clause (i), by inserting of residential and utility energy storage systems
after deployment
;
(B)
in subparagraph (I), by striking and
after the semicolon; and
(C)
by adding at the end the following new subparagraphs:
(K)
models, tools, and diagnostic data sets to improve the safe installation and long-term operation of energy storage systems by abating expected failure modes that could damage such a system, including—
(i)
component, module, or system failure; and
(ii)
thermal runaway and other fire and explosion risks; and
(L)
early detection methods and preventative maintenance techniques relating to failure modes of energy storage systems.
(2) Modifying testing and validation
Paragraph (3) of section 3201(b) of the Energy Act of 2020 (42 U.S.C. 17232(b)) is amended to read as follows:
(3) Benchmarking, testing, and validation
(A) In general
In coordination with one or more National Laboratories, the Director of the National Institute of Standards and Technology, and the Administrator of the United States Fire Administration, the Secretary shall support the development, standardized testing, and validation of energy storage systems specified in subparagraph (B), including test-bed trials and field tests, by developing testing and evaluation methodologies for the following:
(i)
Storage technologies, controls, and power electronics for such systems under a variety of operating and failure conditions, including such conditions that occur while such a system is being utilized.
(ii)
Standardized and grid performance testing for energy storage systems, materials, and technologies at each stage of development and at the operational system level.
(iii)
Reliability, safety, degradation, and durability testing under standard and evolving duty cycles.
(iv)
Component, module, and integrated system level safety and degradation stress testing to failure.
(v)
Accelerated life testing protocols to predict estimated lifetime metrics with accuracy.
(vi)
Equipment, including automated fire suppression systems, and techniques for mitigating risks of such energy storage systems.
(B) Energy storage systems specified
The energy storage systems specified in this subparagraph are energy storage systems that satisfy the following requirements:
(i)
Are under the program.
(ii)
Are operational and connected to the grid.
(iii)
Were installed before the most recent codes and standards for such systems.
(iv)
Represent a variety of the following characteristics:
(I)
Chemistries.
(II)
Compositions.
(III)
Installation and manufacturing techniques.
(IV)
Any other characteristic the Secretary determines appropriate.
(3) Modifying periodic evaluations
Paragraph (4) of section 3201(b) of the Energy Act of 2020 (42 U.S.C. 17232(b)) is amended—
(A)
by inserting the testing and evaluation of
after advance
; and
(B)
by striking costs and increasing the duration
and inserting costs, increasing the lifetime, and improving the safety
.
(4) Modifying strategic plan
Paragraph (5)(B) of section 3201(b) of the Energy Act of 2020 (42 U.S.C. 17232(b)) is amended—
(A)
in clause (iii)(II)(bb), by striking and the mission of the Department, as determined by the Secretary
;
(B)
in clause (iv)(II), by striking and
after the semicolon;
(C)
in clause (v), by striking the period at the end and inserting ; and
; and
(D)
by adding at the end the following new clause:
(vi)
include a summary of the status of any innovative, emerging, or alternative technologies that could improve the performance, durability, or safety of grid-scale energy storage systems and any potential commercial barriers to such innovative, emerging, or alternative technologies.
(5) Leveraging of resources
Paragraph (6) of section 3201(b) of the Energy Act of 2020 (42 U.S.C. 17232(b)) is amended—
(A)
in subparagraph (C)—
(i)
in clause (ii), by adding and
at the end; and
(ii)
in clause (iii), by striking and
after the semicolon;
(B)
in subparagraph (D), by striking the period at the end and inserting a semicolon; and
(C)
by adding at the end the following new subparagraphs:
(E)
the United States Fire Administration; and
(F)
the National Institute of Standards and Technology.
(c) Increasing number of energy storage demonstration projects
Paragraph (1) of section 3201(c) of the Energy Act of 2020 (42 U.S.C. 17232(c)) is amended—
(1)
in the matter preceding subparagraph (A)—
(A)
by striking September 30, 2023
and inserting September 30, 2030
; and
(B)
by striking 3
and inserting 5
;
(2)
in subparagraph (A), by striking and
after the semicolon;
(3)
in subparagraph (B), by striking the period at the end and inserting a semicolon; and
(4)
by adding at the end the following new subparagraphs:
(C)
at least 1 energy storage system demonstration project designed to further the safety of technologies described in clause (iii) or (iv) of such subsection, including through stress testing to failure; and
(D)
at least 1 energy storage system demonstration project designed to further the safety of technologies described in clause (v) or (vi) of such subsection, including through stress testing to failure.
(d) Energy storage pilot grant program
(1) Expanding selection requirements
Paragraph (2)(C)(ii) of section 3201(c) of the Energy Act of 2020 (42 U.S.C. 17232(c)) is amended—
(A)
in subclause (II), by striking and
after the semicolon; and
(B)
by adding at the end the following new subclauses:
(IV)
improve the safety of operational energy storage systems through component, module, and integrated system level testing and evaluation; and
(V)
utilize data from such energy storage systems to improve, such as through the prediction of system failure, the safety of such energy storage systems;
(2) Expanding objectives
Paragraph (2)(D) of section 3201(c) of the Energy Act of 2020 (42 U.S.C. 17232(c)) is amended by adding at the end the following new clauses:
(xiii)
To improve and advance the robustness of testing and evaluation methodologies for energy storage systems.
(xiv)
To improve and advance data collection mechanisms for operational energy storage systems.
(xv)
To improve the diagnostic, artificial intelligence, computing, and digital twin capabilities of energy storage systems.
(xvi)
To improve the safety of installed energy storage systems.
(xvii)
To test innovative chemistries for grid-connected energy storage systems that are safer than conventional chemistries for such energy storage systems.
(e) Expanding priorities of the electric vehicle battery second-Life project
Paragraph (3)(C) of section 3201(c) of the Energy Act of 2020 (42 U.S.C. 17232(c)) is amended by inserting advanced safety testing and evaluation methodologies or
after from
.
(f) Chemistries and stress testing in long-Duration demonstration initiative and joint program
Subsection (d) of section 3201 of the Energy Act of 2020 (42 U.S.C. 17232) is amended—
(1)
in paragraph (3)(A), by inserting and chemistries
after types
; and
(2)
in paragraph (4)—
(A)
in subparagraph (A)—
(i)
in clause (i), by striking scales; and
and inserting scales and with various chemistries;
;
(ii)
in clause (ii), by striking the period at the end and inserting ; and
; and
(iii)
by adding at the end the following new clause:
(iii)
to develop safety features that prevent or mitigate the failure of long-duration energy storage technologies.; and
(B)
in subparagraph (C)(ii), by inserting for stress testing integrated energy storage systems to failure
after appropriate
.
(g) Authorization of appropriations
Subsection (h) of section 3201 of the Energy Act of 2020 (42 U.S.C. 17232) is amended—
(1)
in paragraph (2), by striking and
;
(2)
in paragraph (3), by striking the period at the end and inserting ; and
; and
(3)
by adding at the end the following new paragraph:
(4)
to carry out programs, initiatives, and associated activities relating to the safety of energy storage systems and energy storage technologies pursuant to subsections (b) through (d), as the case may be, $30,000,000 for each of fiscal years 2027 through 2031, to remain available until expended.