6 energy tech startups named to corporate-backed manufacturing accelerator

go make

Meet the six startups that will be working with Shell and Greentown Labs for the next six months. Photo via Greentown

Greentown Labs has named the six participating climatetech startups for an accelerator for a global energy leader.

Shell and Greentown Labs announced the cohort for Greentown Go Make 2023 — a program designed to accelerate partnerships between startups and corporates to advance carbon utilization, storage, and traceability solutions with manufacturing in mind. Shell, which invests in net-zero and carbon-removal technologies, is hoping to strategically align with startups within carbon utilization, storage, and traceability across the energy transition spectrum.

“At Greentown Labs we recognize and appreciate the role energy incumbents must play in the energy transition, and we’re eager to facilitate meaningful partnerships between these impressive startups and Shell—not only to advance these technologies but also to help Shell achieve its sustainability goals,” Kevin Knobloch, CEO and President of Greentown Labs, says in a news release. “We know carbon utilization, storage, and traceability will play a critical role in our collective efforts to reach net-zero, and we’re enthusiastic about the potential impact these companies can have in that work.”

The cohort, selected from 110 applications, is co-located at Greentown's Houston and Somerville, Massachusetts, locations and includes:

Portland-based Caravel Bio is developing a novel synthetic biology platform that uses microbial spores and enzymes to create catalysts that are long-lasting and can withstand extreme conditions and environments.
Circularise, which is based in the Netherlands, is developing a blockchain platform that provides digital product passports for end-to-end traceability and secure data exchange for industrial supply chains.
Corumat, based in Washington, converts organic waste into high-performance, insulating, greaseproof, and biodegradable packaging materials.
Cambridge, Massachusetts-headquartered Lydian develops a fully electrified reactor that can convert a variety of gaseous, non-fossil feedstocks into pure syngas with high efficiency.
Maple Materials from Richmond, California is developing a low-cost electrolysis process to split carbon dioxide into graphite and oxygen.
Ontario, Canada-founded Universal Matter develops a proprietary Flash Joule Heating process that converts carbon waste into high-value and high-performance graphene materials to efficiently create sustainable circular economies.

The program, which includes $15,000 in non-dilutive stipend funding for each company, will work closely with Shell and Greentown over six months via mentorship, networking opportunities, educational workshops, and partnership-focused programming to support collaboration. Go Make 2023 concludes with a showcase event on March 27 at Greentown Labs’ Houston location.

This week, Shell announced another accelerator cohort it's participating in. The Shell GameChanger Accelerator, a partnership with the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL), named four West Coast climatetech companies: DTE Materials, Hexas Biomass, Invizyne Technologies, and ZILA BioWorks. The program provides early-stage cleantech startups with access to experts and facilities to reduce technology development risk and accelerate commercialization of new cleaner technologies.

“Tackling the climate challenge requires multifaceted solutions. At Shell, we believe technology that removes carbon dioxide from the atmosphere will be essential for lowering emissions from energy and chemical products,” Yesim Jonsson, Shell’s GCxN program manager, says in a statement. “The companies in GCxN's sixth cohort embody these objectives and have the potential to usher in a more sustainable future.”

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This article originally ran on EnergyCapital.

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Google teams up with Rice University to launch AI-focused accelerator

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Google Public Sector is teaming up with Rice University to drive early-stage artificial intelligence innovation and commercialization via the new Rice AI Venture Accelerator, or RAVA.

RAVA will use Google Cloud technology and work with venture capital firm Non Sibi Ventures to connect high-potential AI-focused startups with public and private sector organizations. The incubator will be led by Rice Nexus, which launched earlier this year in the Ion District as an AI-focused "innovation factory.”

“Google Public Sector is proud to partner with a leading institution like Rice University to launch the Rice AI Venture Accelerator,” Reymund Dumlao, director of state and local government and education at Google Public Sector, said in a news release. “By providing access to Google Cloud’s cutting-edge AI, secure cloud infrastructure and expertise, we’re enabling the next generation of AI pioneers to develop solutions that address critical challenges across industries and within the public sector. This unique partnership between education and industry will give participants access to cutting-edge research, leading technologists, specialized resources and a collaborative academic ecosystem, fostering an environment for rapid innovation and growth.”

Participants will have access to Google Public Sector’s AI leadership as well as experts from Rice’s Ken Kennedy Institute, which focuses on AI and computing research. It will be led by Sanjoy Paul, Rice Nexus’ inaugural executive director. Paul previously worked at Accenture LLC as a managing director of technology and is a lecturer in Rice's Department of Computer Science.

Rice Nexus will serve as the physical hub for RAVA, but the program will support AI startups from across the U.S., as part of Rice’s Momentous strategic plan, according to the university.

“This hub enables AI startups to go beyond building minimum viable products that meet industry privacy standards by utilizing the latest AI technologies from Google Cloud,” Paul said in the news release. “Our goal is to maximize the return on investment for our corporate partners, driving meaningful innovation that will have lasting impact on their industries.”

The 10,000-square-foot Rice Nexus space currently serves as home base for several startups with ties to Rice, including Solidec, BeOne Sports and others. Read more about the new incubation space here.

Houston’s love for live streaming is growing – and the internet needs to keep up

Tech-Heavy Households

One thing Houston isn’t slowing down on is its love for live streaming. Whether catching the big game, binge-watching a new series, or diving into the latest gaming releases, Houstonians are using the internet more than ever. And with nearly 4 million more people expected to move to the area by 2040, networks have to be ready.

More devices, more streaming, more demand
“Internet usage has been skyrocketing year after year," sts Foti Kallergis, Comcast Texas spokesperson. "The average Xfinity household now has 36 WiFi-connected devices, from smart TVs and phones to tablets, speakers, and even smart fridges."

More than 70 percent of all internet traffic is entertainment, with sports, streaming apps, and games leading the charge — especially here in Houston, where fans never miss a Texans game or a Rockets highlight.

In fact, the past year set records for Comcast’s Xfinity network, with the five biggest days of internet consumption ever happening just in the last few months of 2024, driven by huge sports events and gaming downloads.

A network built for what’s next
As more people move in and more devices come online, Xfinity is constantly upgrading its network to keep up — and stay ahead. Whether you’re working on your laptop, FaceTiming on your iPad, or scrolling on your phone, at home or on the go, the goal is simple: fast, reliable, and seamless connection.

Over the last decade, Comcast has poured $80 billion into strengthening its network and infrastructure across the country. That includes 300,000 miles of fiber — enough to circle the globe 12 times — supporting everything from everyday streaming to powering FEMA and the Department of Defense. And here in the greater Houston area, that same network supports thousands of small businesses, too.

Speed, security, and smarts built in
“It’s not just about staying connected — it’s about staying connected smarter,” adds Kallergis. “Comcast’s network is constantly working behind the scenes to make your experience better. In fact, Comcast rolled out over 350,000 upgrades last year alone, including faster speeds at no extra cost.”

Comcast Xfinity speed test Photo courtesy of Comcast

And every 20 minutes, it tests over 4,000 data points across tens of millions of devices to keep things optimized.

Kallergis adds that if there's extra bandwidth, Xfinity modems automatically adjust. If there's a network issue, AI-powered tools fix 60 percent of cases before users even know something’s wrong. And if a fiber line is cut, Xfinity technicians are alerted instantly and know exactly where to go and what to do.

Powerful tools for your home
Great internet also depends on what’s inside your home. That’s why Comcast is rolling out the new XB10 modem — the fastest and most powerful yet. It can handle up to 300 devices at once (because let’s be real, we’re all tech-heavy households now).

And when it comes to security, Xfinity’s network has your back. Every device that connects is automatically shielded from sketchy sites; it's like having a mini cybersecurity team 24/7.

Looking ahead
At the end of the day, Houston’s internet needs are only going to grow. And Comcast is ready.

Whether you’re streaming the playoffs, jumping on a work call, or video chatting with family across the country, Xfinity is here to keep you connected to the moments that matter most.

8 Houston companies earn spots among Fortune's most innovative for 2025

top honor

Eight Houston companies have been named to Fortune’s third annual list of America’s Most Innovative Companies, joining another 16 from the state of Texas.

The group of 300 companies nationwide was rated based on production innovation, process innovation, and innovation culture, according to Fortune. In partnership with Statista, the magazine considered IP portfolios, employee, expert and customer opinions; and many other factors.

While many of the top-rated companies fell into the tech sector, Fortune reports that health care companies made up the largest portion of the 2025 list. Sixty-three honorees fell into the health care category, including Houston’s top-rated company, Houston Methodist.

Here’s which Houston companies made the list and where they ranked:

No. 35 — Houston Methodist
No. 54. — ExxonMobil
No. 137 — NRG Energy
No. 158 — Hewlett-Packard Enterprise
No. 169 — BMC Software
No. 175 — Texas Children’s Hospital
No. 227 — Sysco
No. 268 — Chevron

“This award is a true credit to the culture we have created around innovation and the incredible work of Roberta Schwartz, our Chief Innovation Officer, and her team at the Center for Innovation,” Marc Boom, CEO of Houston Methodist, said in a LinkedIn post. “They have really set the tone for how we can use innovation and technology to continue to deliver the highest quality care for our patients.”

Dallas-Fort Worth claimed the largest number of Texas companies on the list, with 11 headquartered in the metroplex. Houston was home to the second-most with eight hailing from the Bayou City. Austin is home to only four of the companies on the list, however, companies from the Capital City ranked higher on average, with Oracle, Tesla and Dell Technologies claiming the top three spots for the state. Beloved Texas grocer H-E-B was the one company to represent San Antonio.

Here's how the other Texas companies fared:

No. 6 — Oracle
No. 11 — Tesla
No. 14 — Dell Technologies
No. 37 — AT&T
No. 59 — Texas Instruments
No. 89 — Charles Schwab
No. 91 — McKesson
No. 113 — Jacobs Solutions
No. 125 — Baylor, Scott & White Health
No. 165 — Frontier Communications
No. 201— H-E-B
No. 210 — CBRE Group
No. 219 — TTEC Holdings
No. 223 — GameStop
No. 251 — American Airlines Group
No. 271 — Caterpillar

California-based tech conglomerate Alphabet Inc. topped the list for the third year in a row, and California companies again represented the majority of companies on the list, according to Fortune. Alphabet, Microsoft, Apple, IBM and Salesforce made up the top five, of which three are headquartered in California.

The 2025 group had a median revenue of $22 billion over the last 12 months, according to Fortune. See the full report here.

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