big winners

4 student-led sustainability-focused startups scored funding at annual Houston competition

Four of the 13 teams that walked away with investment funding at RBPC this year are providing energy and sustainability advancements. Photo courtesy of Rice University

Four student-founded energy and sustainability startups from around the world have something to celebrate — cleaning up at the 24th annual Rice Business Plan Competition.

This year, 42 startups competed this year, participating in the three-day event that culminated in a reception on Saturday, April 6. Over a dozen companies won prizes, and the full recap of those is reported on InnovationMap.

“We award the competitors $1 million in prizes, prizes that serve as foundational capital to launch their startup,” RBPC Director Catherine Santamaria says at the awards gala. “That’s a large number of prizes, but the biggest thing our startups leave with is a feeling of generosity and community from this room. This community is always ready and willing to help our founders and support our vision for the competition by investing time, money and resources in these student innovators.”

The companies were divided into five categories — one of which was Energy, Cleantech and Sustainability. Four companies from that track scored prizes at the reception.

Icorium Engineering Company from the University of Kansas walked away with $171,000. The company — a chemical engineering startup developing technologies to make sustainable, circular economies a reality for refrigerants and other complex chemical mixtures — won fifth place and a $5,000 prize sponsored by Norton Rose Fulbright, EY, Chevron Technology Ventures and Shell Ventures, as well as:

  • $100,000 OWL Investment Prizes
  • $40,000 nCourage Courageous Women Entrepreneur Investment Prize
  • $25,000 from Finger Interests, the Anderson Family Fund at the Greater Houston Community Foundation, Greg Novak and Tracy Druce
  • $1,000 Anbarci Family Company Showcase Prize
  • Mercury Elevator Pitch Competition Prize (Best in Energy, Sustainability)
  • An invitation to Entrepreneur Magazine's elevator pitch show

From RWTH Aachen University in Germany, Power2Polymers secured $50,000. Tackling the challenge of forever chemicals, the company is creating safe alternatives free of forever chemicals. The German company took third place and the $50,000 investment sponsored by Finger Interests, the Anderson Family Fund at the Greater Houston Community Foundation, Greg Novak and Tracy Druce. The company also won the Mercury Elevator Pitch Competition Prize (Best Overall).

Two climatetech companies that didn't make it to the finals still walked away with funding. From Yale University, Oxylus Energy, which has a technology that uses renewable electricity to turn CO2 and water into energy-dense liquid fuels, won the $25,000 New Climate Ventures Sustainable Investment Prize.

LiQuidium, with its sustainable membrane technology for direct lithium extraction process, from the University of Houston also scored $25,000 — this one from NOV Energy Technology Innovation Cash Prize.

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A version of this article ran on InnovationMap.

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A View From HETI

Fervo Energy claimed a top 10 spot on Time magazine and Statista’s new list of America’s Top GreenTech Companies of 2025. Photo via Getty Images.

The accolades keep rolling in for Houston-based Fervo Energy, a producer of geothermal power.

Fervo lands at No. 6 on Time magazine and Statista’s new list of America’s Top GreenTech Companies of 2025. The ranking recognizes sustainability-focused companies based on factors such as impact, financial strength, and innovation.

Time notes that Fervo broke ground in 2023 in Utah on what the company claims will be the world’s largest geothermal plant. The plant is scheduled to start supplying carbon-free electricity to the grid next year and to reach its 400-megawatt capacity in three years.

“Technologies like this only make a difference if we deploy them at large-scale in a way that can reduce carbon emissions and increase the reliability of the grid,” Fervo CEO Tim Latimer told Time in 2023.

The startup was named North American Company of the Year by research and consulting firm Cleantech Group for 2025. Fervo topped the Global Cleantech 100, Cleantech Group’s annual list of the world’s most innovative and promising cleantech companies.

Last year, Fervo also made Time’s list of the 200 Best Inventions of 2024. Fervo was recognized in the green energy category for its FervoFlex geothermal power system.

Founded in 2017, Fervo is now a unicorn, meaning its valuation as a private company exceeds $1 billion. The startup’s valuation is estimated at $1.4 billion. According to PitchBook data, the company raised $634 million in the fourth quarter of 2024.

In all, eight Houston-area companies appear among the top 250 greentech companies ranked by Time and Statista. Other than Fervo, they are:

  • No. 43 Lancium Technologies, an energy storage and distribution company
  • No. 50 Solugen, a producer of sustainable chemicals.
  • No. 56 Quaise Energy, which specializes in terawatt-scale geothermal power.
  • No. 129 Plus Power, a developer, owner and operator of battery storage projects.
  • No. 218 Dream Harvest, which promotes sustainable vertical farming.
  • No. 225 Cemvita, which uses synthetic biology to convert carbon emissions into bio-based chemicals.
  • No. 226 Syzygy Plasmonics, which decarbonizes chemical production.
Vermont-based BETA Technologies claimed the No. 1 spot. The company manufactures electric aircraft.

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