Docket Room.
S 4406·Federal·senate

Next-Generation Geothermal Research and Development Act

Reported by CommitteeFiled Apr 28, 2026
Sponsor: Sen. Cortez Masto, Catherine [D-NV] (D)
Latest Action

Committee on Energy and Natural Resources. Ordered to be reported without amendment favorably.

Sep 30, 2026

Summary

The bill amends the 2007 Energy Independence and Security Act to add new definitions for next‑generation geothermal technologies and to launch a coordinated research, development, demonstration and commercialization effort. It funds data collection, deep‑drill probes, grant programs, and a national center of excellence, while requiring periodic reporting on water use and progress. The goal is to expand U.S. geothermal resources, especially in supercritical conditions, and to accelerate deployment of advanced geothermal power.

AI-generated summary — may be incomplete or inaccurate. Verify against the official bill text.

Share

Track this bill

Get an email when S 4406 moves: committee action, floor votes, amendments and hearings. Free, no card.

Track S 4406 free

Or ask your AI assistant about S 4406 directly:

Add to Claude, ChatGPT or Cursor
Docket Room · Nonpartisan legislative tracking
Docket Room IntelligencePro

Ask about your legislation

I can analyze your tracked bills, upcoming hearings, and recent changes.

AI-generated · Nonpartisan · Not legal advice