Eight startups were given awards at Energy Tech Nexus' Pilotathon. Photo via Getty Images.

Energy Tech Nexus held its Pilotathon and Showcase during the second annual Houston Energy & Climate Startup Week last month and granted awards to eight startups.

This year's event, focused on the theme "Energy Access and Resilience," offered 24 startups an opportunity to pitch their pilot projects.

"At Energy Tech Nexus, we recognize that scaling breakthrough energy technologies requires more than just capital—it demands strategic pilot partnerships," Nada Ahmed, founding Partner of Energy Tech Nexus, said in a release. "The Pilotathon serves as that critical bridge, creating a dynamic platform where established industry leaders and emerging startups collaborate to accelerate the deployment of solutions that will define our energy future."

Companies selected to participate in the Pilotathon and others from Energy Tech Nexus' COPILOT accelerator pitched at the event.

The Pilotathon winners included:

  • Best Overall Pilot Pitch: New Jersey-based Metal Light Inc., which is building a circular, solid metal fuel that will serve as a replacement for diesel fuel
  • Best Commercial Readiness Award: Oregon-based Espiku Inc. and Calgary-based Serenity Power. Espiku designs and develops water treatment and mineral extraction technologies that rely on low-pressure evaporative cycles. Serenity Power has developed a cutting-edge solid oxide fuel cell (SOFC) technology.
  • Corporate Partners Choice Award: California-based Rushnu, which has developed its modular CarbonCatalyze™ units that generate carbon-negative feedstock and is producing valuable chemicals from CO2 and salt at wastewater treatment sites.
  • People’s Choice Award for Best Startup Showcase: Houston-based Resin8, an AI-powered marketplace for industrial assets and heavy equipment

The COPILOT winners included:

  • Best Overall Pilot Pitch: Wisconsin-based V-Glass, which has developed a next-generation, vacuum-insulated glass
  • Energy Resilience Champion Award: Phoenix-based EnKoat, which is creating advanced material solutions to decarbonize buildings
  • Energy Access Award: Dallas-based Janta Power, which is developing 3D solar towers
  • Most Impactful Pilot: Houston-based PolyQor, which converts plastic waste into high-performing construction materials
COPILOT partners with Browning the Green Space, a nonprofit that promotes diversity, equity and inclusion (DEI) in the clean energy and climatetech sectors. The Wells Fargo Innovation Incubator (IN²) at the National Renewable Energy Laboratory backs the COPILOT accelerator, where companies are tasked with developing pilot projects for their innovations. Read more about the inaugural cohort here.
Energytech Nexus has named its first COPILOT accelerator cohort. Photo via Getty Images.

Houston energy hub announces first cohort for new accelerator

green team

Energytech Nexus, a Houston-based hub for energy startups, has named its inaugural cohort of 14 companies for the new COPILOT accelerator.

COPILOT partners with Browning the Green Space, a nonprofit that promotes diversity, equity and inclusion (DEI) in the clean energy and climatech sectors. The Wells Fargo Innovation Incubator (IN²) at the National Renewable Energy Laboratory backs the COPILOT accelerator.

The eight-month COPILOT program offers mentorship, training and networking for startups. Program participants will be tasked with developing pilot projects for their innovations.

Two Houston startups are members of the first COPILOT class:

  • GeoFuels, housed at Houston’s Greentown Labs, has come up with a novel approach to hydrogen production that relies on geothermal power and methane decomposition.
  • PolyQor, which converts plastic waste into eco-friendly construction materials. Its flagship EcoGrete product is an additive for concrete that enhances its properties while reducing carbon emissions. PolyQor’s headquarters is at Houston’s Greentown Labs.

Other members of the COPILOT cohort are:

  • Birmingham, Alabama-based Accelerate Wind, developer of a wind turbine for commercial buildings.
  • Ann Arbor, Michigan-based Aquora Biosystems, which specializes in organic waste biorefineries.
  • Phoenix-based EarthEn Energy, a developer of technology for thermo-mechanical energy storage.
  • New York City-based Electromaim, which installs small hydro-generators in buildings’ water systems.
  • Chandler, Arizona-based EnKoat, an advanced materials company whose flagship product, the IntelliKoat System, is a patented two-layer thermal and weather barrier roof coating for flat and low-slope commercial buildings.
  • Calgary, Canada-based Harber Coatings, which manufactures electroless nickel coating and electroless nickel plating.
  • Dallas-based Janta Power, which designs and makes 3D solar towers.
  • Miami-based NanoSieve, a developer of gas remediation technology.
  • Palo Alto, California-based Popper Power, which has developed a platform that turns streetlight networks into resilient, maintenance-free distributed charging infrastructure.
  • Buffalo, New York-based Siva Powers America, developer of small wind turbines for farms, utility companies and others with annual energy needs of 300,000 to 2 million kilowatt-hours.
  • Los Angeles-based Thermoshade, which specializes in cooling panels for outdoor environments.
  • Waukesha, Wisconsin-based V-Glass, Inc., developer of a vacuum-insulated glass for affordable high-efficiency windows.

“These startups reflect the future of energy access and resilience innovation,” said Juliana Garaizar, founding partner of Energytech Nexus. “By connecting them directly with partners through

COPILOT, we’re helping them overcome the ‘pilot gap’ to build solutions that scale.”

The startups will run pilot projects along the Gulf Coast for their inventions.

Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

Houston startup strikes deal to develop hydrogen production plant in Canada

hydrogen partnership

Houston-based cleantech startup Vema Hydrogen has reached a tentative agreement with Canada-based CHARBONE Corp. to develop a hydrogen production and processing plant in Québec.

The deal would couple Vema’s production of engineered mineral hydrogen with CHARBONE’s purification, compression and distribution capabilities.

Engineered mineral hydrogen, also known as orange hydrogen, is produced underground by accelerating naturally occurring geochemical reactions in iron-rich rock formations, according to the journal Energy & Environmental Science.

“Across high-value markets — from aviation and maritime fuels to industrial gases — there is incredible demand for Vema’s low-carbon [hydrogen]. Now, more than ever, we need a pathway to deliver these low-carbon fuels,” Pierre Levin, CEO of Vema, said in a news release.

The project would enable Vema to expand into emerging markets like low-carbon maritime and aviation fuel, e-fuels and power generation. Incorporating CHARBONE’s capabilities, the agreement would also support Québec’s hydrogen supply chain.

“The market is demanding high-value industrial gases, and our customers need cleaner, more reliable supply. By pairing Vema’s [hydrogen] feedstock with our purification and distribution capabilities, we’re strengthening Québec’s position as a regional hub for next-generation hydrogen,” Dave Gagnon, CEO of CHARBONE, added in the release.

Vema said in February that it had completed drilling of its first two pilot wells in Québec, making them the world’s first pilot well for orange hydrogen. It’s the first time Vema’s technology has been used outside a lab.

“This pilot will provide the critical data needed to validate [our hydrogen] at commercial scale and demonstrate that Quebec can lead the world in this emerging clean energy category,” Levin said. “The quality of the rock within our core samples is exactly what we expected and is very promising for hydrogen yields.”

Shortly before Vema carried out the pilot drilling, it signed a 10-year deal with California-based energy technology company Verne Power to supply clean hydrogen for California data centers. Over the course of the 10-year agreement, Vema will boost annual production of orange hydrogen to more than 36,000 metric tons.

“There is a robust market for baseload power generation across the U.S., where data centers are straining the grid,” Levin said. “As we power California’s fastest-growing markets with clean hydrogen, we look toward expanding our hydrogen to markets globally and supporting AI-driven power hubs.”

Vema, founded two years ago, raised $13 million in seed funding in 2025.

“The energy transition and emerging uses of hydrogen have spurred demand for clean hydrogen,” Levin said in its funding announcement. “However, existing decarbonized hydrogen production methods simply don’t work — they are too costly and energy-intensive. Vema is here to change that. It’s time to unlock a new era of scalable, low-carbon hydrogen.”

Greentown names 5 climatech startups to manufacturing accelerator

Catalyst Cohort

Greentown Labs has named five climatech startups to its Go Make 2026 cohort, including one from Houston.

Greentown Go Make 2026 is in partnership with Shell Catalysts & Technologies and Technip Energies. Startups will be able to collaborate with leadership from Shell and Technip and have opportunities to work directly with their process engineering teams and develop potential partnerships, pilots and demonstrations, according to Greentown.

This year's manufacturing cohort focuses specifically on process technology and catalytic innovations, which, according to Greentown, have the potential to be a "critical enabler of the global energy transition." Greentown shares that 90 percent of chemical processes depend on catalysis, but traditional methods rely on fossil fuels and consume significant amounts of energy.

“Catalysis underpins the majority of industrial chemical processes, which together account for a significant share of global emissions, making it a critical lever for reducing carbon intensity while improving performance,” Georgina Campbell Flatter, CEO of Greentown, said in a news release. “Greentown Go Make 2026 is designed to close the gap between breakthrough innovation and industrial deployment. By connecting startups with Shell and Technip Energies’ technical expertise and global scale, we’re helping accelerate solutions that improve efficiency and drive industrial decarbonization.”

The five Greentown Go Make 2026 companies include:

  • Houston-based Biosimo, which makes scalable biochemicals from ethanol
  • Missouri-based Catalyxx, which transforms bioethanol into drop-in, cost-competitive, carbon-negative chemicals
  • Sydney, Australia-based HydGene Renewables, which produces low-carbon hydrogen and industrial chemicals from waste biomass
  • Switzerland-based TreaTech, which turns waste into renewable gas, water and minerals through catalytic hydrothermal gasification
  • California-based Unifuel, which has developed a chemical technology platform to make sustainable aviation fuel, renewable gasoline and other renewable chemicals

The cohort will be celebrated at a kickoff event in Houston at The Ion on June 9.

In addition to Greentown Go Make, Greentown also runs its Go Move (transportation), Go Energize (energy and electricity), Go Build (buildings), and Go Grow (food and agriculture) cohort-based programs. The climatech incubator announced its Go Build 2026 cohort in March. Read more here.