115TH CONGRESS 

2D SESSION H. R. 4377 

AN ACT 

To direct the Secretary of Energy to carry out certain upgrades to research equipment and construct research 

user facilities, 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, 
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1 SECTION 1. SHORT TITLE. 

2 This Act may be cited as the ‘‘Accelerating American 

3 Leadership in Science Act of 2018’’. 

4 SEC. 2. ADVANCED PHOTON SOURCE UPGRADE. 

5 (a) IN GENERAL.—The Secretary of Energy shall 

6 provide for the upgrade to the Advanced Photon Source 

7 described in the publication approved by the Basic Energy 

8 Sciences Advisory Committee on June 9, 2016, titled ‘‘Re9 port on Facility Upgrades’’, including the development of 

10 a multi-bend achromat lattice to produce a high flux of 

11 coherent x-rays within the hard x-ray energy region and 

12 a suite of beamlines optimized for this source. 

13 (b) DEFINITIONS.—In this section: 

14 (1) FLUX.—The term ‘‘flux’’ means the rate of 

15 flow of photons. 

16 (2) HARD X-RAY.—The term ‘‘hard x-ray’’ 

17 means a photon with energy greater than 20 

18 kiloelectron volts. 

19 (c) START OF OPERATIONS.—The Secretary shall, to 

20 the maximum extent practicable, ensure that the start of 

21 full operations of the upgrade under this section occurs 

22 before December 31, 2025. 

23 (d) FUNDING.—There are authorized to be appro24 priated to the Secretary for the Office of Science to carry 

25 out to completion the upgrade under this section— 

26 (1) $93,000,000 for fiscal year 2018; 
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1 (2) $130,000,000 for fiscal year 2019; 

2 (3) $152,400,000 for fiscal year 2020; 

3 (4) $150,000,000 for fiscal year 2021; 

4 (5) $73,600,000 for fiscal year 2022; and 

5 (6) $20,000,000 for fiscal year 2023. 

6 SEC. 3. LONG-BASELINE NEUTRINO FACILITY FOR DEEP 

7 UNDERGROUND NEUTRINO EXPERIMENT. 

8 (a) IN GENERAL.—The Secretary of Energy shall 

9 provide for a Long-Baseline Neutrino Facility to facilitate 

10 the international Deep Underground Neutrino Experiment 

11 to enable a program in neutrino physics to measure the 

12 fundamental properties of neutrinos, explore physics be13 yond the Standard Model, and better clarify the nature 

14 of matter and antimatter. 

15 (b) FACILITY CAPABILITIES.—The Secretary shall 

16 ensure that the facility described in subsection (a) will pro17 vide, at a minimum, the following capabilities: 

18 (1) A broad-band neutrino beam capable of 1.2 

19 megawatts (MW) of beam power and upgradable to 

20 2.4 MW of beam power. 

21 (2) Four caverns excavated for a 40 kiloton fi22 ducial detector mass and supporting surface build23 ings and utilities. 

24 (3) Neutrino detector facilities at both the Far 

25 Site in South Dakota and the Near Site in Illinois 
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1 to categorize and study neutrinos on their 800-mile 

2 journey between the two sites. 

3 (4) Cryogenic systems to support neutrino de4 tectors. 

5 (c) START OF OPERATIONS.—The Secretary shall, to 

6 the maximum extent practicable, ensure that the start of 

7 full operations of the facility under this section occurs be8 fore December 31, 2026. 

9 (d) FUNDING.—There are authorized to be appro10 priated to the Secretary for the Office of Science to carry 

11 out to completion the construction of the facility under 

12 this section— 

13 (1) $95,000,000 for fiscal year 2018; 

14 (2) $160,000,000 for fiscal year 2019; 

15 (3) $195,000,000 for fiscal year 2020; 

16 (4) $195,000,000 for fiscal year 2021; 

17 (5) $200,000,000 for fiscal year 2022; 

18 (6) $200,000,000 for fiscal year 2023; 

19 (7) $195,000,000 for fiscal year 2024; 

20 (8) $150,000,000 for fiscal year 2025; and 

21 (9) $50,000,000 for fiscal year 2026. 
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1 SEC. 4. SPALLATION NEUTRON SOURCE PROTON POWER 

2 UPGRADE. 

3 (a) IN GENERAL.—The Secretary of Energy shall 

4 provide for a proton power upgrade to the Spallation Neu5 tron Source. 

6 (b) DEFINITION OF PROTON POWER UPGRADE.— 

7 For the purposes of this section, the term ‘‘proton power 

8 upgrade’’ means the Spallation Neutron Source power up9 grade described in— 

10 (1) the publication of the Office of Science of 

11 the Department of Energy titled ‘‘Facilities for the 

12 Future of Science: A Twenty-Year Outlook’’, pub13 lished December 2003; 

14 (2) the publication of the Office of Science of 

15 the Department of Energy titled ‘‘Four Years Later: 

16 An Interim Report on Facilities for the Future of 

17 Science: A Twenty-Year Outlook’’, published August 

18 2007; and 

19 (3) the publication approved by the Basic En20 ergy Sciences Advisory Committee on June 9, 2016, 

21 titled ‘‘Report on Facility Upgrades’’. 

22 (c) START OF OPERATIONS.—The Secretary shall, to 

23 the maximum extent practicable, ensure that the start of 

24 full operations of the upgrade under this section occurs 

25 before December 31, 2025. 
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1 (d) FUNDING.—There are authorized to be appro2 priated to the Secretary for the Office of Science to carry 

3 out to completion the upgrade under this section— 

4 (1) $26,000,000 for fiscal year 2018; 

5 (2) $70,800,000 for fiscal year 2019; 

6 (3) $33,500,000 for fiscal year 2020; 

7 (4) $40,500,000 for fiscal year 2021; 

8 (5) $21,100,000 for fiscal year 2022; 

9 (6) $13,200,000 for fiscal year 2023; and 

10 (7) $2,900,000 for fiscal year 2024. 

11 SEC. 5. SPALLATION NEUTRON SOURCE SECOND TARGET 

12 STATION. 

13 (a) IN GENERAL.—The Secretary of Energy shall 

14 provide for a second target station for the Spallation Neu15 tron Source. 

16 (b) DEFINITION OF SECOND TARGET STATION.—For 

17 the purposes of this section, the term ‘‘second target sta18 tion’’ means the Spallation Neutron Source second target 

19 station described in— 

20 (1) the publication of the Office of Science of 

21 the Department of Energy titled ‘‘Facilities for the 

22 Future of Science: A Twenty-Year Outlook’’, pub23 lished December 2003; 

24 (2) the publication of the Office of Science of 

25 the Department of Energy titled ‘‘Four Years Later: 
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1 An Interim Report on Facilities for the Future of 

2 Science: A Twenty-Year Outlook’’, published August 

3 2007; and 

4 (3) the publication approved by the Basic En5 ergy Sciences Advisory Committee on June 9, 2016, 

6 titled ‘‘Report on Facility Upgrades’’. 

7 (c) START OF OPERATIONS.—The Secretary shall, to 

8 the maximum extent practicable, ensure that the start of 

9 full operations of the second target station under this sec10 tion occurs before December 31, 2030, with the option for 

11 early operation in 2028. 

12 (d) FUNDING.—There are authorized to be appro13 priated to the Secretary for the Office of Science to carry 

14 out to completion the construction of the facility under 

15 this section— 

16 (1) $5,000,000 for fiscal year 2018; 

17 (2) $10,000,000 for fiscal year 2019; 

18 (3) $15,000,000 for fiscal year 2020; 

19 (4) $25,000,000 for fiscal year 2021; 

20 (5) $50,000,000 for fiscal year 2022; 

21 (6) $200,000,000 for fiscal year 2023; 

22 (7) $275,000,000 for fiscal year 2024; 

23 (8) $275,000,000 for fiscal year 2025; 

24 (9) $275,000,000 for fiscal year 2026; 

25 (10) $250,000,000 for fiscal year 2027; and 
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1 (11) $120,000,000 for fiscal year 2028. 

2 SEC. 6. SPENDING LIMITATION. 

3 No additional funds are authorized to be appro4 priated to carry out this Act and the amendments made 

5 by this Act, and this Act and such amendments shall be 

6 carried out using amounts otherwise available for such 

7 purpose. 

Passed the House of Representatives February 13, 

2018. 

Attest: 

Clerk. 

115TH CONGRESS 

2D SESSION H. R. 4377 

AN ACT 

To direct the Secretary of Energy to carry out cerposes. struct research user facilities, and for other pur- tain upgrades to research equipment and con-