S 4406
Cleared committee
Expands federal geothermal research to cover closed-loop and supercritical systems, directing the Energy Department to fund grants and the Interior Department to drill deep exploration wells.
Official title: Next-Generation Geothermal Research and Development Act
Timeline each lane is a chamber; dates pull from congress.gov actions
Senate
Introduced
28-APR-2026
Referred
28-APR-2026
Approved by committee
30-SEP-2026
- Adds definitions for closed-loop and next-generation geothermal systems, including those operating in supercritical conditions
- Creates a Next-Generation Research and Development Program in the Department of Energy's Geothermal Technologies Office, with milestone-based grants for supercritical geothermal research
- Directs the Interior Department to commission drilling of boreholes deeper than 8 kilometers and requires periodic updates to the USGS geothermal resource assessment
- Authorizes $5,000,000 per fiscal year from 2027 through 2031 for the new program, plus such sums as necessary for 2026 through 2031 for related geothermal programs
No CRS summary yet. CRS writes one for most bills, often months after they move.
CRS is the Library of Congress's nonpartisan research office. Check on congress.govEnergy
■ 1 R
1 Republican