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7 innovative startups fueling the energy transition in Houston

Meet the Innovators

Houston-based Solidec was founded around innovations developed by Rice University associate professor Haotian Wang (far left). Photo courtesy Greentown Labs.

Houston has long been touted as the energy capital of the world, and it's now it's also a leading player in the energy transition — home to numerous startups and innovators working toward a cleaner future.

As part of the 2025 Houston Innovation Awards, presented by InnovationMap, the Energy Transition Business category honors innovative startups that are providing solution within renewables, climatetech, clean energy, alternative materials, circular economy, and more.

Seven energy transition companies have been named finalists for the 2025 award. They range from a spinoff stimulating subsurface hydrogen from end-of-life oil fields to a company converting prickly pear cactus biogas into energy.

Read more about these climatetech businesses, their founders, and their green initiatives below. Then join us at the Houston Innovation Awards on Nov. 13 at Greentown Labs, when the winner will be unveiled at our live awards ceremony.

Tickets are now on sale.

Anning Corporation

Clean energy company Anning Corporation is working to develop geologic hydrogen, a natural carbon-free fuel, using its proprietary stimulation approaches and advanced exploration modeling. The company said that geologic hydrogen has the potential to be the lowest-cost source of reliable baseload electricity in the U.S.

The company was founded by CEO Sophie Broun in 2024 and is a member of Greentown Labs. Last month, it also announced that it was chosen to participate in Breakthrough Energy’s prestigious Fellows Program. Anning raised a pre-seed round this year and is currently raising a $6 million seed round.

Capwell Services

Houston-based methane capture company Capwell Services works to eliminate vented oil and gas emissions economically for operators. According to the company, methane emissions are vented from most oil and gas facilities due to safety protocols, and operators are not able to capture the gas cost-effectively, leading operators to emit more than 14 million metric tons of methane per year in the U.S. and Canada. Founded in 2022, Capwell specializes in low and intermittent flow vents for methane capture.

The company began as a University of Pennsylvania senior design project led by current CEO Andrew Lane. It has since participated in programs with Greentown Labs and Rice Clean Energy Accelerator. The company moved to Houston in 2023 and raised a pre-seed round. It has also received federal funding from the DOE. Capwell is currently piloting its commercial unit with oil and gas operators.

Deep Anchor Solutions

Offshore energy consulting and design company Deep Anchor Solutions aims to help expedite the adoption of floating offshore energy infrastructure with its deeply embedded ring anchor (DERA) technology. According to the company, its patented DERA system can be installed quietly without heavy-lift vessels, reducing anchor-related costs by up to 75 percent and lifecycle CO2 emissions by up to 80 percent.

The company was founded in 2023 by current CEO Junho Lee and CTO Charles Aubeny. Lee earned his Ph.D. in geotechnical engineering from Texas A&M University, where Aubeny is a professor of civil and environmental engineering. The company has participated in numerous accelerators and incubators, including Greentown Labs, MassChallenge, EnergyTech Nexus LiftOff, and others. Lee is an Activate 2025 fellow.

Eclipse Energy

Previously known as Gold H2, Eclipse Energy converts end-of-life oil fields into low-cost, sustainable hydrogen sources. It completed its first field trial this summer, which demonstrated subsurface bio-stimulated hydrogen production. According to the company, its technology could yield up to 250 billion kilograms of low-carbon hydrogen, which is estimated to provide enough clean power to Los Angeles for over 50 years and avoid roughly 1 billion metric tons of CO2 equivalent.

Eclipse was founded in 2022 by Moji Karimi (CEO and chairman of Cemvita), Prabhdeep Sekhon (CEO of Eclipse), Tara Karimi and Rayyan Islam. The company closed an $8 million series A this year and has plans to raise another round in 2026.

Loop Bioproducts

Agricultural chemical manufacturing company Loop Bioproducts leverages the physiology of prickly pear cactus grown in Texas to produce bioenergy, food, and remediate industrial wastewater streams. The company uses its remote sensing technology, proprietary image-based machine learning model, and R&D innovation to capture raw biogas from the cactuses and is focused on scaling cactuses as an industrial crop on land.

Rhiannon Parker founded Loop Bioproducts in 2023.

Mars Materials

Clean chemical manufacturing business Mars Materials is working to convert captured carbon into resources, such as carbon fiber and wastewater treatment chemicals. The company develops and produces its drop-in chemical products in Houston and uses an in-licensed process for the National Renewable Energy Lab to produce acrylonitrile, which is used to produce plastics, synthetic fibers, and rubbers. The company reports that it plans to open its first commercial plant in the next 18 months.

Founded in 2019 by CEO Aaron Fitzgerald, CTO Kristian Gubsch, and lead engineer Trey Sheridan, the company has raised just under $1 million in capital and is backed by Bill Gates’ Breakthrough Energy, Shell, Black & Veatch, and other organizations.

Solidec

Chemical manufacturing company Solidec has developed autonomous generators that extract molecules from water and air and converts them into pure chemicals and fuels that are free of carbon emissions onsite, eliminating the need for transport, storage, and permitting. The company was founded around innovations developed by Rice University associate professor Haotian Wang.

The company was selected for the Chevron Technology Ventures’ catalyst program, Greentown Labs, NSF I-Corps and was part of the first cohort of the Activate Houston program. It won first place at the 2024 startup pitch competition at CERAWeek. Solidec was founded in 2023 by Wang, who serves as chief scientist, CEO Ryan DuChanois, and CTO Yang Xia. It closed a $2.5 million seed round earlier this year.

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The Houston Innovation Awards program is sponsored by Houston Community College, Houston Powder Coaters, FLIGHT by Yuengling, and more to be announced soon. For sponsorship opportunities, please contact sales@innovationmap.com.

From Your Site Articles
Gold H2 has completed a successful field test. Photo courtesy of Gold H2

Houston's Gold H2 harvests clean hydrogen and more energy news to know

Trending Topics

Editor's note: There have been exciting developments in the energy transition sector this month, from Gold H2's successful field trial to a Houston leader becoming the first woman to win an international award. Below are the five biggest EnergyCapitalHTX stories from July 1-15, 2025:

Gold H2 harvests clean hydrogen from depleted California reservoirs in first field trial

Houston biotech company Gold H2's proprietary biotechnology has generated hydrogen from depleted oil reservoirs in a California field trial. Photo courtesy Gold H2.

Houston climatech company Gold H2 completed its first field trial that demonstrates subsurface bio-stimulated hydrogen production, which leverages microbiology and existing infrastructure to produce clean hydrogen. The project represented the first-of-its-kind application of Gold H2’s proprietary biotechnology, which generates hydrogen from depleted oil reservoirs, eliminating the need for new drilling, electrolysis or energy-intensive surface facilities. Continue reading.

Greentown Labs adds 6 Texas clean energy startups to Houston incubator

Six companies have joined Greentown Houston, focused on long-duration energy storage systems, 3D solar towers and more. Photo courtesy Greentown Labs.

Greentown Labs announced the six startups to join its Houston community in Q2 of 2025. The companies are among a group of 13 that joined the climatetech incubator, which is co-located in Houston and Boston, in the same time period. The companies that joined the Houston-based lab specialize in a number of clean energy applications, from long-duration energy storage systems to 3D solar towers.Continue reading.

Rice University spinout lands $500K NSF grant to boost chip sustainability

HEXAspec, founded by Tianshu Zhai and Chen-Yang Lin, has been awarded an NSF Partnership for Innovation grant. Photo courtesy of Rice

HEXAspec, a spinout from Rice University's Liu Idea Lab for Innovation and Entrepreneurship, was recently awarded a $500,000 National Science Foundation Partnership for Innovation grant. The team says it will use the funding to continue enhancing semiconductor chips’ thermal conductivity to boost computing power. HEXAspec has developed breakthrough inorganic fillers that allow graphic processing units (GPUs) to use less water and electricity and generate less heat. The technology has major implications for the future of computing with AI sustainably. Continue reading.

Oxy's Vicki Hollub becomes first woman to win prestigious energy award

Oxy CEO Vicki Hollub (center) is the first woman to win WPC Energy's Dewhurst Award. Photo via 1pointfive.com

Vicki Hollub, president and CEO of Houston-based Occidental (Oxy), has become the first woman to win WPC Energy’s prestigious Dewhurst Award. Hollub is the thirteenth recipient of the award, which is considered the highest honor from WPC Energy, a global, non-advocacy, non-political nonprofit organization that promotes the sustainable management of energy and energy products. She is just the fourth U.S. winner since the award launched in 1991. Continue reading.

10+ must-attend Houston energy transition events happening in Q3 2025

Houston Energy and Climate Startup Week returns in September. Photo via GHP

Q3 is here, and with it, a full slate of must-attend events for Houston energy professionals. On the agenda are casual mixers, exciting showcases, week-long happenings, and more. Mark your calendars for these top Houston energy transition events coming up from July to September 2025, and begin registering today. Continue reading.

Houston biotech company Gold H2's proprietary biotechnology has generated hydrogen from depleted oil reservoirs in a California field trial. Photo courtesy Gold H2.

Gold H2 harvests clean hydrogen from depleted California reservoirs in first field trial

breakthrough trial

Houston climatech company Gold H2 completed its first field trial that demonstrates subsurface bio-stimulated hydrogen production, which leverages microbiology and existing infrastructure to produce clean hydrogen.

Gold H2 is a spinoff of another Houston biotech company, Cemvita.

“When we compare our tech to the rest of the stack, I think we blow the competition out of the water," Prabhdeep Singh Sekhon, CEO of Gold H2 Sekhon previously told Energy Capital.

The project represented the first-of-its-kind application of Gold H2’s proprietary biotechnology, which generates hydrogen from depleted oil reservoirs, eliminating the need for new drilling, electrolysis or energy-intensive surface facilities. The Woodlands-based ChampionX LLC served as the oilfield services provider, and the trial was conducted in an oilfield in California’s San Joaquin Basin.

According to the company, Gold H2’s technology could yield up to 250 billion kilograms of low-carbon hydrogen, which is estimated to provide enough clean power to Los Angeles for over 50 years and avoid roughly 1 billion metric tons of CO2 equivalent.

“This field trial is tangible proof. We’ve taken a climate liability and turned it into a scalable, low-cost hydrogen solution,” Sekhon said in a news release. “It’s a new blueprint for decarbonization, built for speed, affordability, and global impact.”

Highlights of the trial include:

  • First-ever demonstration of biologically stimulated hydrogen generation at commercial field scale with unprecedented results of 40 percent H2 in the gas stream.
  • Demonstrated how end-of-life oilfield liabilities can be repurposed into hydrogen-producing assets.
  • The trial achieved 400,000 ppm of hydrogen in produced gases, which, according to the company,y is an “unprecedented concentration for a huff-and-puff style operation and a strong indicator of just how robust the process can perform under real-world conditions.”
  • The field trial marked readiness for commercial deployment with targeted hydrogen production costs below $0.50/kg.

“This breakthrough isn’t just a step forward, it’s a leap toward climate impact at scale,” Jillian Evanko, CEO and president at Chart Industries Inc., Gold H2 investor and advisor, added in the release. “By turning depleted oil fields into clean hydrogen generators, Gold H2 has provided a roadmap to produce low-cost, low-carbon energy using the very infrastructure that powered the last century. This changes the game for how the world can decarbonize heavy industry, power grids, and economies, faster and more affordably than we ever thought possible.”

Nearly 20 Houston startups and innovators were named finalists for the 2024 Houston Innovation Awards this week. Photo via Getty Images

Houston energy transition innovators named finalists for annual awards program

best of the rest

The Houston Innovation Awards have named its honorees for its 2024 awards event, and several clean energy innovators have made the cut.

The finalists, which were named on EnergyCapital's sister site InnovationMap this week, were decided by this year's judges after they reviewed over 130 applications. More 50 finalists will be recognized in particular for their achievements across 13 categories, which includes the 2024 Trailblazer Legacy Awards that were announced earlier this month.

All of the honorees will be recognized at the event on November 14 and the winners will be named. Registration is open online.

Representing the energy industry, the startup finalists include:

  • Amperon, an AI platform powering the smart grid of the future, was named a finalist in the Energy Transition Business category.
  • ARIXTechnologies, an integrated robotics and data analytics company that delivers inspection services through its robotics platforms, was named a finalist in the Energy Transition Business and the AI/Data Science Business categories.
  • CLS Wind, a self-erection wind turbine tower system provider for the wind energy industry, was named a finalist in the Minority-Founded Business category.
  • Corrolytics, a technology startup founded to solve microbiologically influenced corrosion problems for industrial assets, was named a finalist in the Minority-Founded Business and People's Choice: Startup of the Year categories.
  • Elementium Materials, a battery technology with liquid electrolyte solutions, was named a finalist in the Energy Transition Business category.
  • Enovate Ai, a provider of business and operational process optimization for decarbonization and energy independence, was named a finalist in the AI/Data Science Business category.
  • FluxWorks, developer and manufacturer of magnetic gears and magnetic gear-integrated motors, was named a finalist in the Deep Tech Business category.
  • Gold H2, a startup that's transforming depleted oil fields into hydrogen-producing assets utilizing existing infrastructure, was named a finalist in the Minority-Founded Business and the Deep Tech Business categories.
  • Hertha Metals, developer of a technology that cost-effectively produces steel with fewer carbon emissions, was named a finalist in the Deep Tech Business category.
  • InnoVentRenewables, a startup with proprietary continuous pyrolysis technology that converts waste tires, plastics, and biomass into valuable fuels and chemicals, was named a finalist in the Energy Transition Business and the People's Choice: Startup of the Year categories.
  • NanoTech Materials, a chemical manufacturer that integrates novel heat-control technology with thermal insulation, fireproofing, and cool roof coatings to drastically improve efficiency and safety, was named a finalist in the Scaleup of the Year category.
  • SageGeosystems, an energy company focused on developing and deploying advanced geothermal technologies to provide reliable power and sustainable energy storage solutions regardless of geography, was named a finalist in the Energy Transition Business category.
  • Square Robot, an advanced robotics company serving the energy industry and beyond by providing submersible robots for storage tank inspections, was named a finalist in the Scaleup of the Year category.
  • Syzygy Plasmonics, a company that's decarbonizing chemical production with a light-powered reactor platform that electrifies the production of hydrogen, syngas, and fuel with reliable, low-cost solutions, was named a finalist in the Scaleup of the Year category.
  • TierraClimate, a software provider that helps grid-scale batteries reduce carbon emissions, was named a finalist in the Energy Transition Business category.
  • Voyager Portal, a software platform that helps commodity traders and manufacturers in the O&G, chemicals, agriculture, mining, and project cargo sectors optimize the voyage management lifecycle, was named a finalist in the AI/Data Science Business category.

In addition to the startup finalists, two energy transition-focused organizations were recognized in the Community Champion Organization category, honoring a corporation, nonprofit, university, or other organization that plays a major role in the Houston innovation community. The two finalists in that category are:

  • Energy Tech Nexus, a new global energy and carbon tech hub focusing on hard tech solutions that provides mentor, accelerator and educational programs for entrepreneurs and underserved communities.
  • Greentown Houston, a climatetech incubator and convener for the energy transition community that provides community engagement and programming in partnership with corporations and other organizations.

Lastly, a few energy transition innovators were honored in the individual categories, including Carlos Estrada, growth partner at First Bight Ventures and head of venture acceleration at BioWell; Juliana Garaizar, founding partner of Energy Tech Nexus; and Neal Dikeman, partner at Energy Transition Ventures.

Gold H2 has aligned itself with an oil and gas company, making its Black 2 Gold microbial technology available for the first time. Photo via cemvita.com

Houston clean hydrogen producer teams up with O&G for series of pilots

piling on pilots

Gold H2, a Houston-based producer of clean hydrogen, is teaming up with a major U.S.-based oil and gas company as the first step in launching a 12-month series of pilot projects.

The tentative agreement with the unnamed oil and gas company kicks off the availability of the startup’s Black 2 Gold microbial technology. The technology underpins the startup’s biotech process for converting crude oil into proprietary Gold Hydrogen.

The cleantech startup plans to sign up several oil and gas companies for the pilot program. Gold H2 says it’s been in discussions with companies in North America, Latin America, India, Eastern Europe and the Middle East.

The pilot program is aimed at demonstrating how Gold H2’s technology can transform old oil wells into hydrogen-generating assets. Gold H2, a spinout of Houston-based biotech company Cemvita, says the technology is capable of producing hydrogen that’s cheaper and cleaner than ever before.

“This business model will reshape the traditional oil and gas industry landscape by further accelerating the clean energy transition and creating new economic opportunities in areas that were previously dismissed as unviable,” Gold H2 says in a news release.

The start of the Black 2 Gold demonstrations follows the recent hiring of oil and gas industry veteran Prabhdeep Singh Sekhon as CEO.

“With the proliferation of AI, growth of data centers, and a national boom in industrial manufacturing underway, affordable … carbon-free energy is more paramount than ever,” says Rayyan Islam, co-founder and general partner at venture capital firm 8090 Industries, an investor in Gold H2. “We’re investing in Gold H2, as we know they’ll play a pivotal role in unleashing a new dawn for energy abundance in partnership with the oil industry.”

Prabhdeep Singh Sekhon, CEO of Gold H2, joins the Houston Innovators Podcast. Photo courtesy of Gold H2

Newly named CEO to lead Houston gold hydrogen biotech co. into high-growth phase

bugging out

Using microbes to sustainably unlock low-cost hydrogen sounds like the work of science fiction, but one Houston company is doing just that.

Gold H2, a spin-off company from Cemvita, has bioengineered subsurface microbes to use in wells to consume carbon and generate clean hydrogen. The technology was piloted two years ago by Cemvita, and now, as its own company with a new CEO, it's safe to say Gold H2's on its way.

"First of all, that was groundbreaking," Prabhdeep Singh Sekhon, CEO of Gold H2, says of the 2022 pilot in the Permian Basin, "to be able to use bugs to produce hydrogen within a couple of days."

"2024 is supposed to be the year where Gold H2 takes off," Sekhon, who joined the company in April, tells the Houston Innovators Podcast. "It was one of those opportunities that I couldn't turn down. I had been following the company. I thought, 'here is this innovative tech that's on the verge of providing a ground-breaking solution to the energy transition — what better time to join the team.'"

Sekhon shares on the show how his previous roles at NextEra Energy Resources and Hess have prepared him for Gold H2. Specifically, as a leader on NextEra’s strategy and business development team, he says he was tasked with figuring out what the energy industry looks like in the next five, 10, and 20 years.

"Green hydrogen was a huge buzz, but one of the things I realized when I started looking at green hydrogen was that it's very expensive," Sekhon says. "I wanted to look at alternatives."

This journey led him to what Cemvita was doing with gold hydrogen, Sekhon says, explaining that the ability to use biotechnology to provide a new revenue stream from the mostly used up wells struck him as something with major potential.

"The idea of repurposing existing oil and gas assets to become hydrogen assets, leveraging current infrastructure to drive down overall deliver costs — to me I thought, 'wow, if they can make this works, that's brilliant,'" he says.

Now, as CEO, Sekhon gets to lead the company toward these goals, which include expanding internationally. He explains on the show that Gold H2 is interested in expanding to any part of the world where there's interest in implementing their biotech. In order to support the growth, Sekhon says they are looking to raise funding this year with plans for an additional round, if needed, in 2025.

"When we compare our tech to the rest of the stack, I think we blow the competition out of the water," Sekhon says, explaining that Gold H2's approach to gold hydrogen development is novel when you look at emerging technology in the space. "We're using a biological process — cheap bugs that eat oil for a living."

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This article originally ran on InnovationMap.

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California company launches Tesla Megapack battery project in Houston area

power on

Oakland, California-based Nightpeak Energy announced earlier this month that its 150-megawatt battery storage project in Brazoria County, known as Bocanova Power, is now operating to address Houston’s peak capacity needs.

“This battery storage project will enhance grid reliability in the Alvin area while continuing to support integrating renewable energy,” Cary Perrin, president and CEO of the Northern Brazoria County Chamber of Commerce, said in a news release. “I believe we need energy storage now more than ever for its pivotal role in reducing strain on the grid while meeting fast-growing power demand in Texas and Brazoria County."

The project reached commercial operation in August, according to the release. The project utilizes Tesla's Megapack 2 XL battery storage system, and the facility operates under a long-term power purchase agreement with an undisclosed “investment-grade power purchaser.”

“Bocanova Power demonstrates the speed at which Nightpeak Energy is overcoming complex challenges to energize projects that support America's growing need for affordable, reliable, and secure energy,” Paris Hays, co-founder and CEO/CDO of Nightpeak Energy, added in the news release. “Unprecedented AI data center and manufacturing growth has only accelerated the need for these resources.”

Hays added in the release that the company has plans for more energy infrastructure projects in Texas and in the Western U.S.

Nightpeak Energy develops, owns and operates power plants that support the growing capacity needs of a decarbonized grid. It also owns and operates 240 MW of battery storage and natural gas generation facilities.

The company was founded in 2022 and backed by equity funding of up to $200 million from Dallas-based investment firm Energy Spectrum Capital.

Texas ranks low on most energy-efficient states report

by the numbers

Texas has room to improve when it comes to energy efficiency, recent data from WalletHub shows.

The personal finance website ranked Texas at No. 35 on the latest Most & Least Energy-Efficient States list. Texas improved by one spot on the 2025 report, after coming in at No. 36 last year.

The report measured and ranked the efficiency of auto energy and home energy consumption in the 48 U.S. mainland states based on data from the U.S. Census Bureau, National Climatic Data Center, U.S. Energy Information Administration and the U.S. Department of Transportation – Federal Highway Administration.

Texas earned an overall score of 50.60. It was ranked No. 27 for home energy efficiency and No. 41 for auto efficiency. By comparison, No. 1-ranked Vermont earned a score of 85.30, ranking No. 2 for home energy and No. 6 for out energy.

The top five overall states included:

  • No. 1 Vermont
  • No. 2 California
  • No. 3 Washington
  • No. 4 New York
  • No. 5 Massachusetts

South Dakota earned the top rank for home energy efficiency, and Massachusetts earned the top rank for energy efficiency.

“Energy efficiency doesn’t just help save the planet – it also helps save you money by lowering the amount of electricity, gas, oil or other types of energy you need to consume. While there are some steps you can take to become more energy-efficient on your own, living in the right area can give you a big boost," WalletHub analyst Chip Lupo said in the report. "For example, certain states have much better public transportation systems that minimize your need to drive, at least in big cities. Some places also have better-constructed buildings that retain heat better during the winter or stay cooler during the summer.”

According to the report, some progress is being made in increasing energy efficiency across the country. The U.S. Energy Information Administration expects 26 percent of electricity generation in 2026 will come from renewables. A number of them are being developed in the Houston area, including recent announcements like the Pleasure Island Power Collective in Port Arthur.

Still, Houston earned an abysmal ranking on WalletHub's greenest cities in the U.S. report earlier this year, coming in at No. 99 out of 100. Read more here.

Port Houston reports emissions progress as cargo volumes climb

greener growth

Port Houston’s initiatives to reduce emissions have shown some positive results, according to new data from the Port of Houston Authority.

Pulling from the Goods Movement Emissions Inventory (GMEI) report, which tracks port-related air emissions, Port Houston cited several improvements compared to the most recent report from 2019.

The port has seen total tonnage and container volumes increase by 16 percent and 28 percent, respectively, since 2019. However, greenhouse gas emissions have increased at a slower rate, growing only by 10 percent during the same time period, according to the data.

Additionally, emissions of nitrogen oxide fell by 7 percent, and emissions of particulate matter fell by 4 percent, despite adding 280 more pieces of cargo handling equipment.

“These results show that our emission-reduction efforts are working, and we are moving in the right direction,” Chairman Ric Campo said in a news release.

The Port Commission also recently approved items related to the $3 million U.S. Environmental Protection Agency Clean Ports Program (CPP) grant, which it received last year. The items will allow the port to work towards five new sustainability initiatives.

They include:

  1. An inventory of the port’s Scopes 1, 2, and 3 for greenhouse gas emissions
  2. A Port Area Climate Action Plan for the area and surrounding communities
  3. A CPP Truck Route Analysis
  4. Creation of the CPP Trucking Industry Collaborative
  5. Design of a customized website for Port of Houston Partners in Maritime Education, which is a non-profit leading maritime workforce development effort in local schools.

Port Houston aims to be carbon neutral by 2050.

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This article originally appeared on our sister site, Innovation Map.

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