hou knew?

Energy transition startups to know, event not to miss, and more to be on your radar this week

This roundup of things to know this week is full of PSAs for the energy startup community. Photo courtesy of The Cannon

Editor's note: It's a new week — start it strong with three quick things to know in Houston's energy transition ecosystem. A new-to-Houston program is calling for applicants, the most promising energy tech businesses pitched here in Houston, and learn about an event not to miss this week.


Most-promising startups named at energy tech event

Ten companies from around the world were named as most promising. Photo courtesy of Rice

At Rice Alliance's annual Energy Tech Venture Forum, 10 startups were named most-promising by investors and experts — and one additional company jumped out to the audience.

"The selection process was both exhilarating and challenging given the incredible ideas we've seen today," says Jason Sidhu, director of information services business engagement at TC Energy, who announced the top companies. "I want to extend my gratitude to every company that participate din this year's Energy Tech Venture Forum. Your commitment to solving energy problems and pursuing ambitions ideas is truly commendable."

From circular economy solutions to hydrogen infrastructure, all 11 of the startups are ones to watch. Click here to find the full list.

Activate is looking for Houston applicants

Calling all hardtech innovators in Houston. Photo via Getty Images

Got an early-stage hardtech innovation? As of today, Houston innovators can apply for a new-to-Houston program that supports researchers on their entrepreneurial journeys. Activate opened the application period for its 2024 cohort, and the window closes October 17.

Applications are open across Activate's five programs. The two-year, hardtech-focused program was founded in Berkeley, California, in 2015 and expanded to Boston and New York before launching its virtual program, Activate Anywhere. Activate announced its expansion into Houston earlier this year, naming Jeremy Pitts as Houston managing director.

“Activate’s recruitment process is crucial, as it centers around finding scientists directly interested in solving urgent problems,” Pitts says. “Activate fellows are turning their technical breakthroughs into businesses that can help industries like manufacturing, energy, chemicals, computing, and agriculture, to meet their decarbonization and resiliency goals.” Click here to read more.

Chevron Technology Ventures hosting pitch competition

The Cannon and Chevron Technology Ventures are hosting a pitch competition. Photo courtesy of The Cannon

On September 28, Chevron Technology Ventures is hosting a pitch competition to identify novel technologies and innovation systems that stand to transform and improve facility-focused operational efficiencies at the Chevron Technology Ventures Pitch Competition. Six Houston companies will compete to win a tailored field trial opportunity with CTV experts, plus a six-month, complimentary, flexible-workspace membership at The Cannon.

The six companies pitching this week are:

  • Corrolytics
  • GuiseAI
  • OctoRD
  • Flite
  • Magic Asset
  • Pike Robotics

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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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