Applications open for inclusive cleantech accelerator

appy now

ACCEL has opened applications for next year. Photo via Getty Images

Calling all cleantech startups founded by innovators of color — an inclusive accelerator program is now accepting applications.

Advancing Climatetech and Clean Energy Leaders Program, or ACCEL, has opened applications for it's second cohort. The program — from Greentown Labs and Browning the Green Space — provides access to funding, networking connections, incubation space, mentorship, resources, and opportunities for energy tech founders of color for a year.

“ACCEL is one of the most impactful, meaningful programs we’ve run to date,” Greentown Labs CEO and President Kevin Knobloch says in a news release. “We are eager to expand upon the great success and momentum of year one, and to welcome another incredible cohort of BIPOC-led startups that are developing much-needed climatetech solutions. We’re equally committed to helping these companies accelerate and deploy their solutions, while also helping to build a more diverse, inclusive climatetech workforce—ACCEL sits at the nexus of those two critical efforts.”

The program, supported by the Massachusetts Clean Energy Center, accelerated six startups this year — Active Surfaces, DrinKicks, EarthBond, florrent, frakktal, and SpadXTech.

“The ACCEL Program directly aligns with our mission to ensure that climatetech jobs and wealth creation opportunities are available to all residents of the Commonwealth,” Emily Reichert, CEO at MassCEC and former CEO at Greentown, says in the release. “We are excited to see the second round of this important program, with our Equity Workforce Fund support fostering a partnership between Greentown Labs and Browning the Green Space aimed at accelerating the growth of minority and women business enterprises in Massachusetts.”

ACCEL, which doles out $25,000 in non-dilutive grant funding to each participant, is also supported by Boston-based Barr Foundation and provides programming from VentureWell, a nonprofit with expertise in climatetech.

“Through our partnership with Greentown and VentureWell, we are able to put our respective strengths together to create an ambitious program to bolster founders of color in climatetech and propel innovations that benefit communities most impacted by climate change,” Kerry Bowie, executive director and president of Browning the Green Space, says in the release. “Opening applications for Year 2 of ACCEL is an important milestone in strengthening critical support for traditionally excluded entrepreneurs in our communities.”

Applications for ACCEL are open until January 5, 2024. While entrepreneurs from anywhere can apply, preference will be given to applicants in Greater Boston and Greater Houston, where Greentown’s incubators are located.

Despite making up more than 57 percent of the workforce, women are still significantly outnumbered by men in STEM professions. The SUPERGirls Shine Foundation is hoping to change that in Houston and beyond. Photo via htxenergytransition.org

Houston organization strives for equity for energy transition for young women in STEM

the view from heti

STEM occupations account for nearly 7 percent of all U.S. occupations, however, according to the Equal Employment Opportunity Commission, women make up only 27 percent of STEM workers. Studies continue to show that between the ages 8 and 14, girls’ confidence levels drop by 30 percent and by the time they reach middle school, they completely lack confidence and self-esteem to pursue science, technology, engineering and mathematics.

Loretta Williams Gurnell is working to change the narrative for Houston students.

In 2016, Gurnell established SUPERGirls Shine Foundation, which is a Houston-based nonprofit organization that is focused on providing underserved girls with the opportunity and resources to succeed in STEM. By providing a strong STEM foundation, the organization equips girls with the tools to excel in professions that traditionally have low female and diverse representation.

In addition, the organization focuses on closing the gender gap in STEM, noting that their goal is to increase the number of girls in STEM classes, degrees and careers by 25 percent by the year 2025. Despite making up more than 57 percent of the workforce, women are still significantly outnumbered by men in STEM professions.

On a yearly basis, SUPERGirls Shine Foundation awards graduating high school seniors and collegiate ambassadors up to $10,000 dollars to close the financial gaps for college degrees. The foundation offers internships for college students and recent graduates to bring awareness, access and equity for more women and girls from underserved communities in STEM, innovation and leadership initiatives.

Through their 40/40 Mentorship Program, the foundation matches high-level industry leaders to grades 8^th – 12^th to provide skill-building and networking opportunities. The SUPERGirls Collegiate Ambassador Membership Program serves as a network for college students and recent graduates seeking community, careers and access to industry experts and mentors in STEM.

Learn more about Greentown Labs startup SUPERGirls Shine Foundation and how the organization is providing underserved girls with the opportunity and resources to succeed in STEM.

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This article originally ran on the Greater Houston Partnership's Houston Energy Transition Initiative blog. HETI exists to support Houston's future as an energy leader. For more information about the Houston Energy Transition Initiative, EnergyCapitalHTX's presenting sponsor, visit htxenergytransition.org.

Katie Mehnert, founder and CEO of Ally Energy, is featured in an NOV-produced film about DEI in the energy transition. Photo via allyenergy.com

Short film focused on Houston entrepreneur, energy transition ecosystem releases online

dirty nasty people

In a new short film, a Houston energy entrepreneur sets the scene for the energy industry and showcases her passion for an equitable transition for the sector.

"Dirty Nasty People" originally premiered May 18 to the Houston community. Now, the NOV-produced film featuring Katie Mehnert and her company Ally Energy is available for viewing online.

The film, directed by Paul Dufilho, tells Mehnert's story, her passion for energy, and her career, which began at Enron, grew at Shell and BP, and took her to founding a company dedicated to diversity, equity, and inclusion in the space. Ally Energy, which was founded in 2014 as Pink Petro, is a community and talent platform for the evolving energy industry.

In the movie, Mehnert introduces the dual challenge the industry is facing — and how DEI is integral to solving it.

“On the one hand, we all need energy — affordable, reliable energy — to keep lives going,” she says in the film. “But we are harming the planet. And ourselves.

"It is complicated — this challenge is very complicated," she continues. "But it’s going to take collaboration, and diversity of thought — diversity of energy form. It’s going to take bringing people into the energy industry, into the fold, looking at this challenge in a different way — but it’s all about working together.”

Houston-based NOV Inc., an international oil and gas industry equipment and tech provider, backed the production of the film which was meant to showcase Ally, Mehnert, and the energy transition ecosystem locally.

"The energy workforce of the future will need to be as large and diverse as the technical solutions that will be needed to offset the effects of Climate Change," writes Dufilho on the website. "This project hopes to put a singular human focus on what is one of the largest issues of our day.

"There are already incredible people inside the industry doing the work of developing better energy solutions, and this project highlights just one of them," he continues. "However, the energy problems of the near future will require the perspectives and know-how of those who have not yet seen themselves as part of the solution. The outsider. The consumer. This project is for them."

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Houston startup wins Space Force contract to advance quantum energy generator

quantum contract

Houston-based quantum energy technology startup Casimir Inc. has been awarded an STTR Phase I contract from the U.S. Space Force's SpaceWERX to support the development of the company's solid-state generator for potential use by the Department of the Air Force.

SpaceWERX is the innovation arm of the U.S. Space Force and a division within AFWERX, the incubator and innovation arm of the United States Department of the Air Force. The Air Force Research Laboratory and SpaceWERX, along with many other government agencies, help support innovation through the Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) grants and contracts.

As part of the new contract, Casimir will work to refine a fully independent generator. Casimir’s solid-state power technology could support national security missions by providing reliable power even in difficult-to-service environments.

In May, Casimir emerged from stealth, netting a $12 million seed round to commercialize its quantum energy chip. The semiconductor chips can generate power from quantum vacuum fields without the need for batteries or charging. The company aims to include the chips in large-scale energy systems that can power homes, commercial infrastructure and electric vehicles.

“This STTR funds some analysis work to address our proposed scaling approach of making our chips multi-layer to increase aggregate power,” Harold “Sonny” White, founder and CEO of Casimir, tells Energy Capital.

White adds that the company will work with Texas A&M to develop chip planarization techniques to support Casimir’s plans to scale. Additionally, White says the company is working with the U.S. Space Force to explore more applications for its technology.

“Casimir’s technology brings a new capability to the market in the form of our persistent power chips,” White adds. “This approach will be relevant to ultra-low-power electronics, and with the scaling approach we are developing, connected with the STTR work, will eventually be relevant to consumer electronics and beyond.”

Casimir has previously reported that it plans to commercialize its first-generation MicroSparc chip by 2028. The chips are expected to power devices for years without the need for replacements.

The total funding for this project has not yet been disclosed.

Houston clean energy tax compliance platform tops the Inc. 5000 in 2026

Top of the List

Houston-based Empact Technologies has ridden the clean energy wave to the Inc. 5000’s 30 fastest-growing private companies.

With three-year revenue growth of 8,275 percent, the clean energy tax credit compliance management platform appears at No. 27 on this year’s Inc. 5000 list. The 2026 list ranks private companies based on percentage revenue growth from 2022 to 2025.

Empact Technologies, also ranks as the No. 2 fastest-growing company in Houston and the No. 4 fastest-growing company in Texas.

Originally founded by Charles Dauber in 2012, Empact Technologies relaunched in 2023 as a purpose-built tool for clean energy tax credit compliance, following the creation of the Inflation Reduction Act, the largest clean energy investment incentive in U.S. history.

It provides a platform for clean energy developers, investors, and contractors, and combines its NexusIQ AI-native compliance platform with a dedicated team of technical and regulatory experts to ensure ongoing compliance and documentation.

Empact Technologies is joined by six other Houston-area companies in the top 250 of this year's Inc. 5000, including one that made the top 10.

Here are the six other Houston-area companies that claimed spots in the top 250 on the Inc. 5000 list. Each company name is followed by its ranking, headquarters city, and three-year growth rate.

No. 6 Equipe Realty, 23,210 percent
No. 60 Action1, 4,512 percent
No 75 Signs By G, 3,684 percent
No. 79 The ’Pause Life, 3,469 percent (Galveston)
No. 110 Turtlebox Audio, 2,576 percent
No. 178 Dahnani Private Equity Group, 1,904 percent (Stafford)

Empact and fellow honorees will be recognized Oct. 14-16 at the 2026 Inc. 5000 Conference & Gala in Dallas.

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A version of this article first appeared on InnovationMap.com.

Sage Geosystems brings South Texas geothermal plant online

powering up

Houston-based Sage Geosystems, a provider of geothermal power, has begun full operations at its South Texas facility for the San Miguel Electric Cooperative.

Sage says the plant was recently “placed in service,” according to a news release. This means it’s fully built and tested, and ready to generate and supply electricity to the grid.

Since selling its first electricity in Q2 of this year, the facility has been operating for more than four months to evaluate aspects like efficiency and water management. Sage relied on its GeoTwin modeling tool to carry out some of the testing.

The testing demonstrates Sage’s proprietary approach to geothermal power “overcomes one of the industry’s most persistent challenges, high water losses in engineered reservoirs, while delivering the consistent performance required to scale next-generation geothermal,” co-founder and CEO Cindy Taff said in the release.

Sage says the South Texas facility will serve as a model for future projects, including one in Nevada. The Nevada facility will use Sage’s proprietary technology to extract geothermal heat from hot dry rock, creating a reliable, affordable source of carbon-free power.

During the testing period, water losses amounted to less than 10 percent. This low rate indicates most water remains in the system, enabling Sage to capture more usable energy, boost power production and improve the project’s finances, the company says.

“Commercial geothermal isn’t just about creating a reservoir. It’s about creating one whose performance can be engineered, predicted, and consistent,” Lev Ring, the company’s co-founder, president and chief technology officer, said in the release.

Since being founded in 2020, Sage has raised $159 million in outside funding. This includes a more than $97 million Series B round co-led by Ormat Technologies and Carbon Direct Capital.

Two years ago, Sage announced a deal with Meta Platforms, the parent company of Facebook and Instagram, to supply up to 150 megawatts of geothermal power to Meta data centers.

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