II 

116TH CONGRESS 

1ST SESSION S. 2048 

To require the Secretary of Energy to establish a demonstration initiative 

focused on the development of long-duration energy storage technologies, 

including a joint program to be established in consultation with the 

Secretary of Defense, and for other purposes. 

IN THE SENATE OF THE UNITED STATES 

JUNE 28 (legislative day, JUNE 27), 2019 

Mr. KING (for himself and Ms. MCSALLY) introduced the following bill; which 

was read twice and referred to the Committee on Energy and Natural 

Resources 

A BILL 

To require the Secretary of Energy to establish a demonstration initiative focused on the development of long-duration energy storage technologies, including a joint program to be established in consultation with the Secretary 

of Defense, and for other purposes. 

1 Be it enacted by the Senate and House of Representa2 tives of the United States of America in Congress assembled, 

3 SECTION 1. SHORT TITLE. 

4 This Act may be cited as the ‘‘Joint Long-Term Stor5 age Act of 2019’’. 

6 SEC. 2. PURPOSES. 

7 The purposes of this Act are— 


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1 (1) to facilitate the development of long-dura2 tion energy storage technologies; 

3 (2) to increase the commercial viability of long4 duration energy storage technologies; and 

5 (3) to increase the energy resilience and energy 

6 security and national security of the United States 

7 through the use of long-duration energy storage 

8 technologies. 

9 SEC. 3. LONG-DURATION ENERGY STORAGE DEMONSTRA10 TION INITIATIVE. 

11 (a) DEFINITIONS.—In this section: 

12 (1) DIRECTOR OF ARPA–E.—The term ‘‘Direc13 tor of ARPA–E’’ means the Secretary of Energy, 

14 acting through the Director of the Advanced Re15 search Projects Agency—Energy. 

16 (2) DIRECTOR OF ESTCP.—The term ‘‘Director 

17 of ESTCP’’ means the Secretary of Defense, acting 

18 through the Director of the Environmental Security 

19 Technology Certification Program of the Depart20 ment of Defense. 

21 (3) DIRECTORS.—The term ‘‘Directors’’ means 

22 the Director of ARPA–E and the Director of 

23 ESTCP, acting jointly. 


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1 (4) INITIATIVE.—The term ‘‘Initiative’’ means 

2 the demonstration initiative established under sub3 section (b). 

4 (5) JOINT PROGRAM.—The term ‘‘Joint Pro5 gram’’ means the joint program established under 

6 subsection (f). 

7 (b) ESTABLISHMENT.—Not later than 200 days after 

8 the date of enactment of this Act, the Director of ARPA– 

9 E shall establish a demonstration initiative composed of 

10 demonstration projects focused on the development of 

11 long-duration energy storage technologies. 

12 (c) GOALS.—The goals of the Initiative shall be— 

13 (1) to demonstrate the potential benefits of 

14 long-duration energy storage to— 

15 (A) the resilience of the electricity grid, in16 cluding the security of critical infrastructure; 

17 and 

18 (B) efficient use of the electricity grid 

19 through— 

20 (i) peak load reduction; or 

21 (ii) avoided investments in traditional 

22 grid infrastructure; 

23 (2) to increase the commercial viability of long24 duration energy storage technologies; 


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1 (3)(A) to identify the range of services that 

2 long-duration energy storage technologies can pro3 vide to the electricity grid; and 

4 (B) to the maximum extent practicable, to 

5 quantify the value of those services; 

6 (4) to investigate challenges to the greater de7 ployment of long-duration energy storage tech8 nologies; 

9 (5) to identify and develop a range of tech10 nology types; and 

11 (6) to improve the integration of energy storage 

12 and the grid. 

13 (d) SELECTION OF PROJECTS.—To the maximum ex14 tent practicable, in selecting demonstration projects to 

15 participate in the Initiative, the Director of ARPA–E 

16 shall— 

17 (1) ensure a range of technology types; 

18 (2) ensure regional diversity among projects, in19 cluding appropriate representation of rural areas; 

20 (3) consider microgrid, islanded, or off-grid ap21 plications; and 

22 (4) ensure that any project selected is designed 

23 to achieve 1 or more of the goals described in sub24 section (c). 


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1 (e) COOPERATION WITH ELECTRIC UTILITIES.—A 

2 demonstration project selected to participate in the Initia3 tive may be carried out in cooperation with the electric 

4 utility that owns the grid facilities in the electricity control 

5 area in which the demonstration project is carried out. 

6 (f) JOINT PROGRAM.— 

7 (1) ESTABLISHMENT.—As part of the Initia8 tive, the Director of ARPA–E, in consultation with 

9 the Director of ESTCP, shall establish within the 

10 Department of Energy a joint program to carry out 

11 projects— 

12 (A) to demonstrate promising long-dura13 tion energy storage technologies at different 

14 scales; and 

15 (B) to help new, innovative long-duration 

16 energy storage technologies become commer17 cially viable. 

18 (2) MEMORANDUM OF UNDERSTANDING.—Not 

19 later than 200 days after the date of enactment of 

20 this Act, the Director of ARPA–E shall enter into 

21 a memorandum of understanding with the Director 

22 of ESTCP to jointly administer the Joint Program. 

23 (3) INFRASTRUCTURE.—In carrying out the 

24 Joint Program, the Directors shall— 


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1 (A) use existing test-bed infrastructure 

2 at— 

3 (i) Department of Energy facilities; 

4 and 

5 (ii) Department of Defense installa6 tions; and 

7 (B) develop new infrastructure for identi8 fied projects, if appropriate. 

9 (4) GOALS AND METRICS.—The Directors shall 

10 develop goals and metrics for technological progress 

11 under the Joint Program consistent with energy re12 silience and energy security policies. 

13 (5) SELECTION OF PROJECTS.— 

14 (A) IN GENERAL.—To the maximum ex15 tent practicable, in selecting projects to partici16 pate in the Joint Program, the Directors 

17 shall— 

18 (i) ensure that projects are carried 

19 out under conditions that represent a vari20 ety of environments with different physical 

21 conditions and market constraints; and 

22 (ii) ensure an appropriate balance 

23 of— 

24 (I) larger, higher-cost projects; 

25 and 


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1 (II) smaller, lower-cost projects. 

2 (B) PRIORITY.—In carrying out the Joint 

3 Program, the Directors shall give priority to 

4 demonstration projects that— 

5 (i) make available to the public key 

6 engineering and field data that will accel7 erate deployment of long-duration energy 

8 storage technologies; and 

9 (ii) will be carried out in the field. 

10 (6) STATES AND PRIVATE SECTOR ENTITIES.— 

11 In carrying out the Joint Program, the Directors 

12 shall encourage— 

13 (A) States to become laboratories of inno14 vation in the development of long-duration en15 ergy storage technologies; and 

16 (B) collaboration between participants in 

17 the Joint Program, States, and other appro18 priate private sector entities. 

19 (g) AUTHORIZATION OF APPROPRIATIONS.—There 

20 are authorized to be appropriated to carry out the Initia21 tive— 

22 (1) $20,000,000 for fiscal year 2020; 

23 (2) $40,000,000 for fiscal year 2021; and 

24 (3) $60,000,000 for each of fiscal years 2022 

25 through 2024. 


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1 SEC. 4. AUTHORIZATION OF APPROPRIATIONS FOR THE 

2 DAYS PROGRAM OF THE ADVANCED RE3 SEARCH PROJECTS AGENCY—ENERGY. 

4 Section 5012(o) of the America COMPETES Act (42 

5 U.S.C. 16538(o)) is amended— 

6 (1) in paragraph (2)— 

7 (A) by redesignating subparagraphs (A) 

8 through (E) as clauses (i) through (v), respec9 tively, and indenting appropriately; 

10 (B) by striking the paragraph designation 

11 and heading and all that follows through ‘‘para12 graphs (4) and (5)’’ in the matter preceding 

13 clause (i) (as so redesignated) and inserting the 

14 following: 

15 ‘‘(2) AUTHORIZATION OF APPROPRIATIONS.— 

16 ‘‘(A) IN GENERAL.—Subject to paragraph 

17 (4)’’; and 

18 (C) by inserting after clause (v) (as so re19 designated) the following: 

20 ‘‘(B) DAYS PROGRAM.—There is author21 ized to be appropriated to carry out the Dura22 tion Addition to electricitY Storage program 

23 (also known as the ‘DAYS program’) of ARPA– 

24 E $60,000,000 for each of fiscal years 2020 

25 through 2024.’’; and 


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1 (2) in paragraph (4), in the matter preceding 

2 subparagraph (A), by striking ‘‘paragraph (2)’’ and 

3 inserting ‘‘paragraph (2)(A)’’. 

Æ 


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