100 Energy Tech Ventures Selected for 2025 Energy Tech Venture Forum

HOUSTON – (Aug. 21, 2025) 100 innovative energy technology ventures from around the world have been selected to participate in the 22nd annual Rice Alliance Energy Tech Venture Forum (ETVF). The forum is a premier event for connecting energy innovators, investors, corporations, and the broader energy ecosystem.

This year’s forum, held September 18 at Rice University, serves as an anchor event for the 2nd annual Houston Energy and Climate Startup Week and will spotlight ventures driving advancements in industrial efficiency, robotics & AI, advanced materials and more.

Spanning nine countries and 19 states, these companies represent the cutting edge of energy innovation. The Energy Tech Venture Forum provides them with direct access to investors and corporate partners who can help scale their solutions. 50 have been selected to pitch during the event.

Included in the selection is Class 5 of the Rice Alliance Clean Energy Accelerator, with these 12 startups presenting Demo Day pitches as they conclude their 10-week program.

Event Highlights

• 100 ventures from early- to growth-stage energy ventures.
• Investor Office Hours offering one-on-one meetings between founders and investors. See the participating investors.
• Keynotes and panels with more than 40 industry leaders, investors, and innovators. Check out the schedule and speakers.
• Recognition of the “Most Promising Companies,” chosen by investors. Baker Botts will provide in-kind services to the 10 selected companies and will host free legal office hours during the forum for all participants.

Early bird registration is open through September 5th. Register here.

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The Rice Alliance for Technology and Entrepreneurship, a nationally recognized leader in energy entrepreneurship and innovation, fosters the creation, growth, and success of startups and the commercialization of new technologies in Houston and beyond. Since its founding in 2001, more than 3,500 companies have participated in Rice Alliance programs, collectively raising over $27.8 billion in capital. 

The Rice Alliance also leads programming and activation at The Ion, Houston’s hub for innovation, which anchors the Ion District, a 16-acre innovation hub in Midtown developed by Rice University.

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Launched in 2024, the official Houston Energy and Climate Startup Week 2025 showcases how Houston is developing and scaling real solutions for the dual challenge: meeting growing global energy demand while reducing carbon emissions.

Houston is a natural convening location for these groups to come together as demonstrated by the many successful events happening throughout the year. Events individually organized by flagship support organizations, incubators, startups and, investors, are orienting around this week-long celebration of energy transformation built by Houston’s biggest champions. A series of must-attend experiences will create collisions with energy and climate enthusiasts that will shape the future of energy. See what Houston has to offer September 15-19, 2025. 

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Presenting Companies
Aeromine Technologies
AlumaPower
Ammobia
Aqua-Cell Energy
Aquafortus
Aquora Biosystems
Arculus Solutions
Artemis Production Solutions
AtmoSpark Technologies
AtoMe
Badwater Alchemy
C+UP
Carbon Blade
Circul8 Energy & Environment
CO2 Lock
Direct C
DirectH2
Ekona Power
Exum Instruments
Fathom Storage
Flyscan Systems
Geokiln Energy Innovation
Glint Solar
Hive Autonomy
Horne Technologies
Hydrogenious LOHC Maritime
Innowind Energy Solutions
Iron IQ
Kewazo
LiNova Energy
Lukera Energy
Lydian
Mcatalysis
Metal Light
Mithril Minerals
Moment Energy
Moonshot Hydrogen
Muon Vision
PolyQor
Polystyvert dba UpSolv
Precision Additive
RapiCure Solutions
Resollant
SiriNor
Skyven Technologies
Sperra
SpiroPak
Sweetch Energy
Teverra
Utility Global
Xplorobot

Companies Participating In Office Hours
Active Surfaces
Advanced Reactor Technologies
Advanced Thermovoltaic Systems
Ai Driller
Airbridge
Airworks Compressors
Austere Environmental
Brint Tech
CarbonX Solutions
Cavern Energy Storage
Celadyne Technologies
CERT Systems
CubeNexus
Deep Anchor Solutions
Ellexco
Emerald Battery Labs
Equipt.ai
FAST Metals
FieldMesh
FlowCellutions
Fluidsdata
GrapheneTX
GS VORTEX SYSTEMS
Installer
Kanin Energy
MacroCycle Technologies
Modular MOPU
NANOBORNE
NetForwards
Oxylus Energy
PetroBricks
PHNXX
RASMAG Energy
RedShift Energy
RENASYS
RenewCO2
Resonantia Diagnostics
Respire Energy
Safety Radar
SeaStock
Secant Fuel
SolGrapH
Stratos Perception
Terraflow Energy
Think Energy Holdings
Turnover Labs
Utiltyx
Zenthos Energy