U.S. Congress legislation · 119th Congress
SB4406: Next-Generation Geothermal Research and Development Act
Status: In committee, September 30, 2026
A bill to amend the Energy Independence and Security Act of 2007 to direct research, development, demonstration, and commercial application activities in support of next-generation geothermal systems in various conditions, and for other purposes.
What the bill says
To amend the Energy Independence and Security Act of 2007 to direct research, development, demonstration, and commercial application activities in support of next-generation geothermal systems in various conditions, and for other purposes.
From the introduced text, April 28, 2026:
A BILL To amend the Energy Independence and Security Act of 2007 to direct research, development, demonstration, and commercial application activities in support of next-generation geothermal systems in various conditions, and for other purposes. SECTION 1. Short title This Act may be cited as the Next-Generation Geothermal Research and Development Act . SECTION 2. Geothermal energy (a) EISA definitions Section 612 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17191 ) is amended-- (1) by redesignating paragraphs (1) through (8) as paragraphs (2), (3), (4), (5), (6), (7), (8), and (12), respectively; (2) by inserting before paragraph (2) (as so redesignated) the and (3) by inserting after paragraph (8) (as so redesignated) the (B) closed-loop geothermal systems; and (C) in supercritical conditions-- (i) enhanced geothermal systems; (ii) closed-loop geothermal systems; or (iii) other technologies, as determined by the Secretary. (10) Supercritical conditions The term supercritical conditions means subsurface temperature conditions at or above the supercritical temperature of the primary fluid present. (11) Supercritical geothermal The term supercritical geothermal means energy derived from a subsurface geologic rock resource existing in-situ at or above the supercritical temperature of the primary fluid present. . (b) Hydrothermal research and development programs Section 613(b)(1) of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17192(b)(1) ) is amended by …
Sponsors
- Cortez Masto, Catherine (D) · primary sponsor
- Murkowski, Lisa (R)
Latest actions
- : Committee on Energy and Natural Resources. Ordered to be reported without amendment favorably.
- : Read twice and referred to the Committee on Energy and Natural Resources.
- : Introduced in Senate
Subjects: Electric power generation and transmission, Alternative and renewable resources, Energy research, Energy, Technology transfer and commercialization, Government lending and loan guarantees, Water use and supply, Government studies and investigations
Common questions
- What is SB4406?
- SB4406 is a bill in Congress (119th Congress): Next-Generation Geothermal Research and Development Act.
- What does SB4406 do?
- In its own words: To amend the Energy Independence and Security Act of 2007 to direct research, development, demonstration, and commercial application activities in support of next-generation geothermal systems in various conditions, and for other purposes.
- What is the status of SB4406?
- In committee as of September 30, 2026. Latest action: Committee on Energy and Natural Resources. Ordered to be reported without amendment favorably. (September 30, 2026).
- Who sponsored SB4406?
- Cortez Masto, Catherine (D), with 1 co-sponsor.
- Where is the official record for SB4406?
- On the Congress website: https://www.congress.gov/bill/119th-congress/senate-bill/4406
Source: official Congress record. Tracked by Delilah, AI for legislation across all 50 states and Congress.