EarthX Unveils Ten Semi-Finalists for 2025 Climate Tech Prize Competition

EarthX Unveils Ten Semi-Finalists for 2025 Climate Tech Prize



EarthX has announced the ten semi-finalists selected to compete for the esteemed 2025 EarthX Climate Tech Prize, showcasing groundbreaking innovations aimed at addressing global climate challenges. This year, EarthX reviewed over 200 applicants from around the world before selecting these early-stage startups.

The semi-finalists represent a diverse range of industry sectors including heavy industry, manufacturing, energy, agricultural technology, and circular economy solutions. Each startup will compete for a non-dilutive cash prize of $15,000 and will have the chance to pitch their projects before an esteemed audience of global investment, industry, and innovation leaders at the ninth annual E-Capital Summit, scheduled for April 22-24 in Dallas, Texas.

The EarthX Climate Tech Prize promotes cutting-edge early-stage startups that offer innovative solutions for pressing environmental issues. The competition is powered by the Climate Solutions Prize in Montreal, recognizing startups that have generated less than $250,000 in revenue and secured under $500,000 in dilutive funding.

Past winners have included companies like En Solucion, which focuses on chemical-free food sanitation, and ventures from around the world that have achieved notable breakthroughs in sustainable technologies.

The thrilling format of the semi-finals will feature each of the semi-finalists delivering three-minute lightning pitches on Wednesday, April 23. Audience members will have the opportunity to vote live, determining which three to four companies will progress to the final stage of the competition on Thursday, April 24.

This Year's Promising Semi-Finalists


1. Aeon Blue (Sydney, Nova Scotia, Canada): This company focuses on producing sustainable eFuels through a clean-tech process that combines hydrogen generation with CO₂ capture.

2. EnnoFlow Technologies (Austin, TX, USA): Utilizing edge AI, this startup creates automated, versatile, and efficient virtual power networks.

3. HighGround Ranch Developers (Plano, TX, USA): Connecting regenerative ranches with tech platforms, this company aims to enhance climate-friendly agricultural practices.

4. OptiCloud (Jackson, WY, USA): Specializing in optimizing digital infrastructure, OpitCloud employs AI tools to reduce cloud waste and energy consumption.

5. Mithril Minerals (Austin, TX, USA): This startup innovates advanced robotics for extracting critical minerals from polymetallic nodules in the ocean.

6. Petra Power (Solon, OH, USA): Developing compact and fuel-flexible solid oxide fuel cells, Petra Power aims to deliver zero-emission electricity efficiently.

7. PowerBox Technology (Champaign, IL, USA): Provides integrated solar and storage systems that lower energy cost and ensure industrial power continuity.

8. ResonanceX (Santiago de Chile, Chile): This company works on designing electromagnetic circuits for carbon-free electricity generation.

9. Venki Energy (Silver Spring, MD, USA): Known for creating removable rooftop solar racking, this startup enables subscription-based solar access.

10. Zero Electric (Austin, TX, USA): Focused on sustainability, Zero Electric repurposes EV batteries into storage systems to boost grid resilience and support fast EV charging.

Vikram Agrawal, Senior Director of EarthX Capital, stated, “EarthX is committed to supporting sustainability-focused innovators. These entrepreneurs are not merely envisioning a sustainable future; they are actively constructing it with groundbreaking technologies that address real-world obstacles in numerous sectors, including energy, industry, and agriculture.”

The Ocean Exchange Pitch Showcase


Additionally, EarthX will host the Ocean Exchange Pitch Showcase for the second consecutive year during the

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