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Dear Friends of Greentown Houston,

Are you an industry expert looking to engage with our startups? Applications are now open to join the Greentown Labs mentor pool—a curated network of subject-matter professionals, experienced founders, and coaches who offer critical guidance to our community.

We’re looking for mentors across business development, product-market fit, pitch-deck development, grant strategy, marketing, and more! Check out the details and apply here.

Warmly,
The Greentown Team

Meet Our Newest Members

Packwise’s solution combines an industrial IOT sensor for industrial tanks with a powerful software and analytics platform, digitizing and optimizing container logistics in liquid supply chains.

SimLionics combines electrochemical physics with data-driven and AI-based methods to understand, predict, and optimize battery performance, lifetime, and safety at scale.

Mark Your Calendar For These Upcoming Events

Feb. 26: Transition On Tap [Greentown Houston]
The Greentown Houston community is bigger than ever before—with dozens of new startups welcomed in recent months, it’s time to meet these entrepreneurs! Join us to network with these founders and connect with the ecosystem at this Transition On Tap, in collaboration with Greentown partner TotalEnergies.

March 10-12: World Hydrogen & Carbon Americas [Ecosystem Event]
Greentown is excited to be an association partner for this conference, which will bring together more than 800 senior professionals from across the hydrogen, carbon, feedstock, and fuels industries! Our COO + Head of Greentown Houston Lawson Gow will join the “Delivering Zero and Low Carbon Projects at Scale—What Does it Take?” discussion on March 11.

Receive a 20 percent discount on delegate passes using the code GREENTOWN20, and download the event brochure here.

March 26: CERAWeek Transition On Tap [Greentown Houston]
Celebrate CERAWeek—the world's foremost energy gathering—with the best and brightest in climate and energy entrepreneurship at Greentown Houston!

Our team will also be at CERAWeek itself! Catch our CEO Georgina Campbell Flatter speaking on “Scaling Innovation: Building the Ecosystem for the Next Energy Breakthroughs” on March 23 and “Charting Careers in Energy: Pathways for the Next Generation of Leaders" on March 24.
Make sure to catch the 2026 Energy Venture Day and Pitch Competition from the Rice Alliance, the Houston Energy Transition Initiative (HETI), and TEX-E on March 24-25—two days of presentations by energy tech ventures driving efficiency and advancements toward the energy transition.
On March 25, join us at Greentown Houston for a special edition of Capital Factory’s Cup of Capital meetup!

Apply to Greentown Go Make 2026 with Shell and Technip Energies

Greentown Go Make 2026 with Shell and Technip Energies is advanced industrial decarbonization by accelerating catalytic innovations—and is looking for startups TRL 3-8!

WHO: Startups at Technology Readiness Levels (TRL) 3-8 that are developing process technology and catalytic innovations for low-carbon fuels, low-carbon gases, CO2 removal, and sustainable chemical manufacturing.

WHAT: An open-innovation program that will give selected startups a structured platform to engage leadership from Shell and Technip Energies and explore potential partnership outcomes, including pilots and demonstrations. See more detailed benefits here.

WHEN: Apply by March 10!

LEARN MORE + APPLY BY MARCH 10

Startup News

Syzygy Plasmonics signed a sustainable-aviation-fuel (SAF) offtake agreement with Trafigura. The six-year agreement covers the entire production volume from Syzygy’s first commercial facility, with initial deliveries scheduled for 2028.
Mars Materials was selected for Greentown partner Shell’s Shell GameChanger program and successfully advanced past the first stage gate. The Shell GameChanger test program aims to validate bio-based sugar feedstock as an alternate raw material to CO2 for the startup’s acrylonitrile pathway.
Greentown alum FluxWorks, which delivers elegant, efficient, and contactless power transmission, raised a $5M seed round.

Recent Reads

In El Periódico de la Energía: read about our CEO Georgina Campbell Flatter’s vision for driving the next wave of climate and energy solutions.

How to develop a sixth sense for foundational technologies; ways to de-risk before you invest; and more corporate innovation learnings from Greentown partner Amrize’s CTO Roald Brouwer.

Photo of the Month: Hot-Desk Day

We recently hosted Greentown Houston’s first-ever hot-desk day to bring the ecosystem into our incubator—ft. networking, food trucks, and (some) productive desk work! Want to hear about our next hot-desk day? Get in touch.

Throwback Thursday: #GreentownAt15

2026 marks 15 years of Greentown Labs, and five years of Greentown Houston! In honor of this milestone, we’re taking a trip down memory lane:

Cowboy hats, dozens of startups, and a brand-new innovation space ready to be filled: on Earth Day 2021, Greentown Houston's Grand Opening welcomed 30 inaugural startup members, 27 Founding + Grand Opening partners, and hundreds of collaborators and supporters to celebrate the city's first climatetech-and-energy-focused incubator! Check out a full recap here.

Peek at Greentown Boston

Check out upcoming Greentown Boston events, including a showcase featuring renewable-energy startups, our annual intern fair, and a kickoff party for Cleantech Open Northeast.

Update Your Newsletter Preferences

Now, you can sign up for updates from Greentown Boston, Greentown Houston, or both! Update your subscription preferences here.

Upcoming Events, New Startups, + Open Applications

News

Upcoming Events, New Startups, + Open Applications