6 companies in Long-duration storage.
Eos Energy Enterprises
Long-duration storage · Zinc-based battery storage maker
Latest (Nov 4, 2026): Eos Energy Enterprises reports results of operations and financial condition (Form 8-K, Item 2.02)
Open profile →Energy Vault
Long-duration storage · Battery, gravity and green-hydrogen storage projects
Latest (Nov 10, 2026): Energy Vault Reports Third Quarter 2026 Financial Results, Affirms Recently Raised Full-Year 2026 Revenue Guidance and Provides Preliminary 2027 Financial Guidance
Open profile →Fluence Energy
Long-duration storage · Grid and enabling infrastructure · Grid-scale battery storage systems and software
Latest (Oct 30, 2026): Fluence Energy reports changes involving its directors or officers (Form 8-K, Item 5.02)
Open profile →Ormat Technologies
Next-generation geothermal · Long-duration storage · Geothermal plant owner-operator and equipment maker; also battery storage
Latest (Nov 4, 2026): Ormat Technologies reports results of operations and financial condition (Form 8-K, Item 2.02)
Open profile →Form Energy
Long-duration storage · Iron-air batteries designed for multi-day storage
No developments in the current window yet.
Open profile →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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