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Houston clean energy provider raises $10.8M series A

money moves

Branch Energy aims to provide customers with clean energy at a lower cost than competitors. Photo via Getty Images

A tech-driven retail energy provider based in Houston has secured an oversubscribed series A round of funding.

Branch Energy raised a $10.8 million round led by climate-focused venture capital firm Prelude Ventures with co-investor Zero Infinity Partners, an infrastructure tech-focused firm. The fresh funding will go toward accelerating the company's battery management tech and build out the infrastructure of its field services.

A vertically integrated power provider, Branch Energy aims to provide customers with demand management software and battery storage systems to ensure long-term, stable, and clean energy at a lower cost than competitors.

“Our century-old grid design is not equipped for the complexity of today’s energy needs," Alex Ince-Cushman, Branch Energy co-founder and CEO, says in a news release. “Optimizing distributed energy assets in real-time will play an increasingly important role in managing the grid. We built Branch from the ground up as a technology company, allowing us to deliver value to customers in this new era of distributed energy by reducing costs while improving reliability."

The company chose Texas as its inaugural market based on the stress of the grid in the state, the company says in the release. Since 2021 when Branch Energy launched, it has signed up thousands of customers for its 100 percent clean energy service. The business proposition includes lowering customer's energy bills by 5 to 10 percent.

“The power grid, especially in Texas, requires distributed generation and flexible loads as basic economics drives deployment of more renewable resources,” Tim Woodward, managing partner at Prelude Ventures, adds. “Across the country, we are experiencing a major shift toward a decentralized and decarbonized grid. Branch Energy is bringing value to its customers through deployment of intelligent storage that lowers costs and improves reliability.”

Branch Energy, which is available now in some Texas regions, had previously raised $5.5 million in seed and pre-seed funding, per Crunchbase.

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50+ teams announced for CERAWeek's annual clean tech pitch competition

CERA pitches

The Rice Alliance for Technology and Entrepreneurship, the Houston Energy Transition Initiative and the Texas Entrepreneurship Exchange for Energy announced the 30-plus energy ventures and five student teams that will pitch at the 2025 Energy Venture Day and Pitch Competition during CERAWeek next month.

The ventures are focused on driving efficiency and advancements toward the energy transition and will each present a 3.5-minute pitch before a network of investors and industry partners during CERAWeek's Agora program.

The pitch competition is divided up into the TEX-E university track, in which Texas student-led energy startups compete for $50,000 in cash prizes, and the industry ventures track.

Teams competing in the TEX-E Prize track include:

  • ECHO
  • HEXAspec
  • HydroStor Analytics
  • Nanoborne
  • Pattern Materials

The industry track is subdivided into three additional tracks, spanning materials to clean energy and will feature 36 companies. The top three companies from each industry track will be named. The winner of the CERAWeek competition will also have the chance to advance and compete for the $1 million investment prize at the Startup World Cup in October 2025.

Teams come from around the world, including several notable Houston-based ventures, such as Corrolytics, Rheom Materials, AtmoSpark Technologies, and others. Click here to see the full list of companies and investor groups that will participate.

The pitch competition will be held Wednesday, March 12, at CERAWeek from 1-4:30 pm. An Agora pass is required to attend.

Those without passes can catch more than 50 companies at a free pitch preview at the Ion. Pitches will be followed by private meetings with venture capitalists, corporate innovation groups, industry leaders, and tech scouts. The preview will be held Tuesday, March 11, from 9:30 am to 2:30 pm at the Ion. It's free to attend, but registration is required. Click here to register.

Last year, Houston-based Solidec took home the top TEX-E price and $25,000 cash awards. The startup extracts molecules from water and air, then transforms them into pure chemicals and fuels that are free of carbon emissions. Its co-founder and Rice University professor Haotian Wang was recently awarded the 2025 Norman Hackerman Award in Chemical Research.

Texas grid report and more Houston energy transition news to know

Trending news

Editor's note: It's time to look back on the top energy transition news for the second half of February. The five most-read EnergyCapital stories feature a prestigious prize for a Rice professor, an Austin startup powering up in Houston, solar news, and more. Get the details below.

1. Houston clean energy pioneer earns prestigious Welch Foundation award

Rice professor and Solidec co-founder Haotian Wang's research enables CO2 to be converted into valuable chemicals and fuels. Photo courtesy Welch Foundation.

A Rice University professor has earned a prestigious award from the Houston-based Welch Foundation, which supports chemistry research.

The foundation gave its 2025 Norman Hackerman Award in Chemical Research to Haotian Wang for his “exceptionally creative” research involving carbon dioxide electrochemistry. His research enables CO2 to be converted into valuable chemicals and fuels.

The award included $100,000 and a bronze sculpture. Continue reading.

2. Austin energy startup expands to Houston, offering electricity with backup batteries

Justin Lopas and Zach Dell founded Base Power in 2023 and are now expanding the company's electricity and backup battery offerings to Houston. Photo courtesy Base Power.

An Austin startup that sells electricity and couples it with backup power has entered the Houston market.

Base Power, which claims to be the first and only electricity provider to offer a backup battery, now serves the Houston-area territory served by Houston-based CenterPoint Energy. No solar equipment is required for Base Power’s backup batteries.

The company is initially serving customers in the Cy-Fair, Spring, Cinco Ranch and Mission Bend communities, and will expand to other Houston-area places in the future. Continue reading.

3. Solar farms are booming and putting thousands of hungry sheep to work

A photo of BP's new solar farm in Texas. Photo via bp.com

On rural Texas farmland, beneath hundreds of rows of solar panels, a troop of stocky sheep rummage through pasture, casually bumping into one another as they remain committed to a single task: chewing grass.

The booming solar industry has found an unlikely mascot in sheep as large-scale solar farms crop up across the U.S. and in the plain fields of Texas. In Milam County, outside Austin, SB Energy operates the fifth-largest solar project in the country, capable of generating 900 megawatts of power across 4,000 acres.

How do they manage all that grass? With the help of about 3,000 sheep, which are better suited than lawnmowers to fit between small crevices and chew away rain or shine.

The proliferation of sheep on solar farms is part of a broader trend — solar grazing — that has exploded alongside the solar industry.Continue reading.

4. Houston venture firm invests in Virginia fusion power plant company in collaboration with TAMU

NearStar Fusion team Andrew Case, Chris Faranetta, Douglas Witherspoon, Amit Singh and Marco Luna. Photo courtesy NearStar Fusion.

Houston-based climate tech venture firm Ecosphere Ventures has partnered with Virginia Venture Partners and Virginia Innovation Partnership Corporation’s venture capital program to invest in Virginia-based NearStar Fusion Inc., which develops fusion energy power plants.

NearStar aims to use its proprietary plasma railgun technology to safely and affordably power baseload electricity on and off the power grid through a Magnetized Target Impact Fusion (MTIF) approach, according to a news release from the company.

NearStar’s power plants are designed to retrofit traditional fossil fuel power plants and are expected to serve heavy industry, data centers and military installations. Continue reading.

5. Report: Texas solar power, battery storage helped stabilize grid in summer 2024, but challenges remain

Solar power met nearly 25 percent of midday electricity demand within the ERCOT grid during some of 2024's hottest summer days. Photo by Red Zeppelin/Pexels

Research from the Federal Reserve Bank of Dallas shows that solar power and battery storage capacity helped stabilize Texas’ electric grid last summer.

Between June 1 and Aug. 31, solar power met nearly 25 percent of midday electricity demand within the Electric Reliability Council of Texas (ERCOT) power grid. Rising solar and battery output in ERCOT assisted Texans during a summer of triple-digit heat and record load demands, but the report fears that the state’s power load will be “pushed to its limits” soon.

The report examined how the grid performed during more demanding hours. At peak times, between 11 a.m. and 2 p.m. in the summer of 2024, solar output averaged nearly 17,000 megawatts compared with 12,000 megawatts during those hours in the previous year. Between 6 p.m. and 9 p.m., discharge from battery facilities averaged 714 megawatts in 2024 after averaging 238 megawatts for those hours in 2023. Solar and battery output have continued to grow since then, according to the report. Continue reading.

Pioneering Houston professor earns prestigious 2025 Franklin Institute Award

medal winner

Rice University professor and nanoscience pioneer Naomi Halas has received the 2025 Benjamin Franklin Medal in Chemistry.

In addition to her role at Rice, Halas is co-founder and technical advisor of Syzygy Plasmonics, a Houston startup that relies on light instead of combustion as an energy source. This enables efficient, sustainable transformation of low-carbon ammonia into hydrogen when powered by renewable electricity.

Halas earned the Franklin Medal “for the creation and development of nanoshells — metal-coated nanoscale particles that can capture light energy — for use in many biomedical and chemical applications,” according to a release from Rice.

Halas’ work has pioneered insights into how light and matter interact at small scales, according to Rice. She joined Rice in 1989 to support the late Richard Smalley’s advancements in nanoscale science and technology.

“A lot of people were talking about nano like it was something completely new,” Halas said in the release. “But I realized it was really just chemistry viewed in a different way, and that really got me thinking about how I can combine the worlds of laser science and nanoscience.”

That shift in perspective led to the development of nanoparticles that spawned innovations in fields such as cancer therapy, water purification, and renewable energy.

“Naomi’s contributions to nanoscience have not only expanded the boundaries of our understanding but also transformed real-world applications in medicine, energy and beyond,” Rice President Reginald DesRoches added. “Her pioneering work on nanoshells exemplifies the spirit of innovation that defines Rice.”

One of Halas’ projects led to the founding of Syzygy, which develops light-driven, all-electric chemical reactors for inexpensive, sustainable production of hydrogen fuel. The company was named to was named to Fast Company's energy innovation list last year.

Halas is the first Rice faculty member to be elected to both the National Academy of Sciences and the National Academy of Engineering for research carried out at the university. She also has been elected to the National Academy of Inventors, the American Academy of Arts and Sciences, and the Royal Danish Academy of Science and Letters. Halas holds 30 patents in the fields of medicine, chemistry, physics and engineering.

The Franklin Medal is awarded by the Franklin Institute of Philadelphia. Many scientists who have received the award have gone on to win Nobel prizes.

As a recipient of the Franklin honor, Halas will receive a $10,000 honorarium and a 14-karat gold medal during an award ceremony May 1 in Philadelphia.

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