2 companies in Next-generation geothermal, privately held.
Privately held2 developments
Quaise Energy
Next-generation geothermal · Superhot geothermal developer using millimetre-wave drilling
Latest (Sep 3, 2026): Quaise Energy updates its private offering notice: $179.3 million of equity sold
Open profile →Privately held0 developments
Sage Geosystems
Next-generation geothermal · Long-duration storage · Geothermal power and underground pressure-based energy storage
No developments in the current window yet.
Open profile →Coverage is not an offer to invest. Private ownership does not imply available shares. Sector labels are Power Inflection’s own coverage classification, not company claims.
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