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Dear Friends of Greentown,

We’re less than 30 days away from the Houston Energy and Climate Startup Week!

This week—of which Greentown is a lead partner—brings together leading energy and climate investors, industry leaders, and startups from around the world to showcase the most innovative companies and technologies that are transforming the energy industry while driving a sustainable, low-carbon future. Check out the schedule for Sept. 15-19 here.

We’re excited to host two events during the week:

🌍 Sept. 17: From Local to Global: Helping Climatetech Startups Succeed Internationally

Expanding across borders can bring big growth for startups, but it comes with regulatory, cultural, and operational challenges. Join us for perspectives from a U.S.-born climatetech startup that successfully expanded abroad, a startup incubator supporting Nordic ventures, and a representative from Australia offering governmental insight into international support frameworks.

This panel-and-pitch event at the Ion will feature:

Austrade’s Australian Consul-General and Trade and Investment Commissioner Gabrielle Hall
Innovation Dock’s Chief Internationalization Officer Claudine Ang
Greentown’s CEO Georgina Campbell Flatter and Head of Houston Lawson Gow
Norwegian startups Renasys, Hive Autonomy, Glint Solar, and Installer
Australian startups PHNXX, SpiroPak, and Seastock

🤝 Sept. 18: ACCEL Year 3 Showcase

Robots that bring EV charging to your car. A metal-air battery designed for microgrids. Bioplastics made from potato starch. These are just a few of the innovations being developed through ACCEL, our accelerator with Browning the Green Space for BIPOC and other underrepresented founders. Meet them at this year's showcase, made possible by Wilson Sonsini Goodrich & Rosati!

In addition to startup pitches and networking, this event will feature a panel titled “Transitioning into Climatetech as an Underrepresented Founder” and remarks from Greentown’s CEO Georgina Campbell Flatter.

Our team is also looking forward to attending many events throughout the ecosystem during the week—including the Houston Energy & Climate Startup Week Kickoff Panel and Block Party, the New Climate Ventures Afterparty, the Rice Alliance Energy Tech Venture Forum, and more! We hope to see you there.

Warmly,
The Greentown Team

ICYMI: Climatetech Summit Agendas Announced!

Earlier this month, we announced the agenda for Greentown Houston’s Climatetech Summit! The lineup includes a dive into how the shale revolution can serve as a roadmap for the energy transition, 18 startup pitches, the book launch of Disciplined Entrepreneurship for Climate and Energy Ventures, a startup showcase, and more.

We’re also excited to start announcing speakers—here’s just a sampling:

Denka Wangdi, Vice President of Strategic Accounts & Partnerships at Emerson
Kyle Judah, Executive Director of Rice University's Liu Idea Lab for Innovation & Entrepreneurship
Sameer Bandhu, Managing Director, Ventures and Licensing at GE Vernova
Bobby Tudor, Greentown Labs Board Chair; CEO of Artemis Energy Partners; and Chairman of the Houston Energy Transition Initiative at the Greater Houston Partnership
Monica Krishnan, Business Fellow at Breakthrough Energy

Meet Our Newest Members

ATS Energy converts waste heat into power without any moving parts, using a modular, scalable design that’s applicable across industries.

Resollant delivers compact, zero-emission hydrogen- and carbon-reactors that provide low-cost, scalable, clean hydrogen and high-purity carbon—addressing decarbonization challenges for refineries, petrochemical plants, steel and cement manufacturers, and fuel producers.

Startup News

Solidec raised a $2M pre-seed round for its reactors that produce chemicals using only air, water, and electricity.
Syzygy Plasmonics partnered with Velocys to provide technology for its SAF production project in Uruguay.
EarthEn launched its heat battery, designed to decarbonize high-temperature industrial heat processes using renewable energy.
Cemvita signed an agreement with Invest RS, formalizing its plan to build a facility in Brazil for the production of its sustainable FermOil™—which is a feedstock for SAF.
Kanin Energy secured a credit facility for its waste heat-to-power facilities across North America.
Ten Greentown members and alumni—Active Surfaces, Capture6, CarbonFree, e-Zinc, Electra, Mantel, Phoenix Tailings, Sublime Systems, Syzygy Plasmonics, and Via Separations—were featured in Decarb Tech Invest's 2025 Disruptors report.

Mark Your Calendar for These Upcoming Events

Aug. 21: Transition On Tap [Greentown Houston]
TONIGHT: Join our largest Transition On Tap of the year and hear from our new Head of Houston Lawson Gow! It’ll be a full summer networking party—complete with a DJ and a popsicle cart.

Sept. 3: Houston Energy and Climate Startup Week 2025 Preview Happy Hour [Ecosystem Event]
Can’t wait for the Houston Energy and Climate Startup Week to arrive? Get an early taste at this preview happy hour at the Ion with Greentown, Halliburton Labs, the Houston Energy Transition Initiative, and the Rice Alliance for Technology and Entrepreneurship.

See You at Climate Week NYC?

Are you heading to Climate Week NYC in September? We are, too! Here’s where to find the Greentown team and our startups:

Sept. 22: The launch of this year’s Net Zero Insights’s U.S. Clean Energy & Industrial Innovation Report—which we proudly collaborated on—featuring our SVP of Partnerships and Investor Programs Aisling Carlson.
Sept. 23: The Greentown Labs Startup Showcase is your chance to meet the entrepreneurs shaping the climate and energy solutions of the future at the SOSV Biome!
Sept. 23: Our CEO Georgina Campbell Flatter will be facilitating a discussion group at Climate Salon about how startups can pilot their technologies in urban environments.
Sept. 24: Together with FischTank PR, we’re diving into the communications strategies for startups and beyond to resonate with target audiences in today’s landscape.

Open Applications: The Carbon to Value Initiative

Last chance! The Carbon to Value Initiative—a unique collaboration among the Urban Future Lab at NYU Tandon School of Engineering, Greentown, and Fraunhofer USA—is accepting applications for our fifth accelerator cohort through Aug. 29.

Thank You to Our Partners 🌎

Get Ready for Houston Energy and Climate Startup Week