The seven selected startups will have year-long curated curriculum, incubation at Greentown's two locations, a non-dilutive $25,000 grant, and access to mentors, corporates, and more from both Greentown and BGS's networks. Photo via browningthegreenspace.org

Two organizations have named the seven startup participants for their accelerator that works to advance BIPOC-led startups in the climatetech space.

Greentown Labs and Browning the Green Space named the newest accelerator for the Advancing Climatetech and Clean Energy Leaders Program, or ACCEL. The seven selected startups will have year-long curated curriculum, incubation at Greentown's two locations, a non-dilutive $25,000 grant, and access to mentors, corporates, and more from both Greentown and BGS's networks.

"Building on the momentum and success of our inaugural year, Greentown Labs is proud to welcome this incredible cohort of BIPOC-led startups to Year 2 of ACCEL," Greentown Labs CEO and President Kevin Knobloch says in a news release. "These founders and their teams are developing a dynamic array of much-needed climatetech solutions, and we're privileged to support them on their startup journeys as they advance their technologies and grow their teams."

The 2024 cohort includes:

  • AtmoSpark Technologies, based in Houston, is an atmospheric water generation company with a patented electro-condensation technology, which has a lower energy footprint than that of current water-generation methods.
  • Cambridge, Massachusetts-based Aquasaic is harnessing biology to clean water for planetary and human health.
  • Houston-based Axis Sky Renewables creates innovative wind solutions, specializing in vertical-axis wind turbines that are less expensive to produce, deploy, and maintain than traditional wind turbines.
  • Carbon Negative Solutions, from Rock Hill, New York, is creating smart-city-ready, carbon-negative concrete products.
  • NYC-based Cellsense develops interactive bio-embellishments that create new possibilities for designers while eliminating microplastics and replacing fossil-fuel-based material at scale.
  • EcoForge, headquartered in Providence, Rhode Island, is a building-material technology company developing affordable, high-performance building materials from local agricultural residues, replacing energy-intensive, fossil-based materials.
  • Boston-based Sankofa Dynamics creates low-cost, eco-friendly solutions for water, air, and energy problems.

The program is supported by the Massachusetts Clean Energy Center, Microsoft's Climate Innovation Fund, Equinor, Barr Foundation.

"These BIPOC-led startups are developing climate technologies that will lead us to a more equitable and sustainable future," MassCEC CEO Dr. Emily Reichert, the former CEO of Greentown, says in the release. "We want ALL climatetech innovators and entrepreneurs to thrive here in Massachusetts. We are proud to support the ACCEL accelerator, created and led by Greentown Labs and Browning the Green Space. The ACCEL program is helping us build a more diverse innovation ecosystem by breaking down barriers and expanding opportunities."

ACCEL was announced in 2022, and the first cohort featured six climatetech startups — two based in Houston.

"Our second year of ACCEL brings together an inspirational and diverse cohort of seven BIPOC-led startups developing tech to accelerate the distribution of climate solutions that address community needs," Browning the Green Space President and Executive Director Kerry Bowie adds. "We are thrilled to continue to strengthen our partnership with Greentown Labs and VentureWell and build on the learnings from the pilot cohort to provide critical support infrastructure for entrepreneurs of color."

The ACCEL program kicks off at an event on March 6 at Greentown's Boston location.

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8 Houston companies earn CleanTech Breakthrough Awards

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Eight cleantech companies with Houston headquarters were recognized in this year’s CleanTech Breakthrough Awards program.

CleanTech Breakthrough, part of market intelligence platform Tech Breakthrough, honors innovative and influential energy, climate, and cleantech companies, products and services.

This year’s winners from Houston are:

  • CleanTech Analytics Company of the Year: Amperon, a provider of AI-powered energy forecasting software
  • Overall Hydrogen Solution of the Year: Eclipse Energy, which converts maxed-out oilfields into low-cost sources of hydrogen
  • Energy Production Company of the Year: Fervo Energy, a provider of geothermal power
  • Production Solution of the Year: Quaise Energy, a developer of a drilling system for converting traditional power stations into geothermal energy plants
  • Green Materials Solution of the Year: Solidec, which uses air, water, and electricity to produce chemicals
  • Hydrogen Production Solution of the Year: VEMA Hydrogen, a producer of renewable hydrogen
  • CleanTech Analytics Innovation Award: Finland-based Wärtsilä, a provider of advanced energy storage systems and services, which maintains its U.S. headquarters in Houston
  • Energy Production Platform of the Year: France-based energy giant TotalEnergies, which maintains its U.S. headquarters in Houston

Other Texas companies made the list, including Austin-headquartered Base Power, founded by Justin Lopas and Zach Dell. Zach Dell is the son of Austin billionaire and Houston native Michael Dell, chairman and CEO of Dell Technologies. The company recently started servicing Houston and established an office in Katy.

CleanTech Breakthrough says its annual awards program honors “the visionaries and leaders accelerating the transition to a cleaner, more sustainable future.”

“In a world increasingly focused on sustainability and environmental responsibility, innovation in clean technology has never been more critical,” said Bryan Vaughn, managing director of CleanTech Breakthrough. “This year’s winners represent the very best in ingenuity and execution, delivering solutions that not only reduce environmental impact but also drive efficiency, scalability and real-world results.”

See the full list of the 2026 winners here.

HETI's new executive director takes the helm

new leader

The Houston Energy Transition Initiative has a new executive director.

Sophia Cunningham assumed the position this month, succeeding the organization's founding executive director, Jane Stricker.

"Four years ago, I could never have imagined the opportunities, experiences and relationships this role has enabled," Strickler wrote in an address earlier this year. "I am truly grateful for the support and engagement of Houston’s business and community leaders, the visionary leadership of Bobby Tudor, Scott Nyquist, HETI Members, and the Greater Houston Partnership in creating this initiative at exactly the right moment in time. I am incredibly proud of the HETI and the Partnership team members who have delivered with purpose and passion, and I greatly appreciate Houston’s energy and climate leaders and champions who have supported my agenda, challenged my thinking, broadened my perspectives, and worked with HETI to demonstrate the power of partnership in developing, innovating and advancing the ideas and technologies needed to meet this challenge for our region and the world."

Stricker shared on LinkedIn that she has joined the advisory board of FluxPoint Energy, which launched last month during CERAWeek, in addition to her other roles at Greentown Labs, Prana Low Carbon Economy Investments and UNC Kenan-Flagler Energy Center.

Cunningham previously served as vice president at HETI, where she was responsible for efforts related to carbon capture, use and storage; methane management; community engagement and stakeholder activation. Before joining HETI, she was director of public policy at The Greater Houston Partnership.

She earned her master's in Energy Management and Systems Technology from Texas A&M University and holds a bachelor's degree from Davidson College.

“I’m honored to step into the role of Executive Director of the Houston Energy Transition Initiative at such a pivotal moment for our industry," Cunningham said over email. "Houston has the talent, infrastructure, and leadership to meet growing global energy demand while reducing emissions, and I’m excited to work alongside our members and partners to accelerate solutions that are reliable, affordable, and scalable.”

The Greater Houston Partnership launched HETI in June 2021 to "meet a Dual Challenge of producing more energy that the world needs with less emissions," according to its website.

Pattern Energy expands clean energy portfolio with acquisition of Canadian producer

acquisition closed

Clean energy and transmission infrastructure company Pattern Energy completed the acquisition of Canadian independent power producer Cordelio Power this month.

Pattern Energy, which is headquartered in San Francisco and has major operations in Houston, will now own one of the largest independent clean energy infrastructure platforms in North America, according to a release.

Pattern Energy will add approximately 1,550 megawatts of operating and in-construction assets, including 16 wind, solar and energy storage projects across the United States and Canada, as part of the deal. In addition, they have also acquired the majority of Cordelio’s development pipeline in key U.S. markets and members of Cordelio’s team.

“Closing this transaction marks a significant milestone for Pattern Energy as we continue to scale our platform to meet North America’s growing energy needs,” Hunter Armistead, CEO of Pattern Energy, said in the release. “Cordelio brings a highly complementary portfolio of quality assets and a talented team. Together, we are even better positioned to power the future.”

Currently, Pattern Energy’s portfolio includes wind, solar and energy storage projects in over 40 facilities in North America. Pattern Energy had 12,000 megawatts of operating and in-construction capacity before the deal.

The acquisition was first announced Jan. 6, 2025.

“Pattern and Cordelio share a commitment to responsible development and the communities in which we work,” Chris Hind, CEO of Cordelio Power, said in a news release. “We look forward to joining with Pattern Energy to deliver high-quality projects with expanded product offerings to support customers across more markets.”


Pattern Energy doubled down on its Houston commercial space in 2023, moving the company's development, meteorological, transmission and energy trading teams to a new office in the Montrose Collective. The company's Operations Control Center is also based in Houston.

Its Houston-based development team was assigned to work on Pattern's SunZia Transmission and Wind project in New Mexico and Arizona, expected to be one of the largest clean energy infrastructure projects in U.S. The project is targeting commercial operations this year, according to Pattern Energy's website.