The International Energy Agency has determined that nuclear energy production would need to increase 80 percent globally by 2040 to stay on track with sustainability targets, including international climate goals. Photo via houston.org

A new initiative from X-energy, bolstered by Dow, is powering low-carbon emissions energy. X-energy, LLC is a nuclear reactor and fuel design engineering company. The company was selected by the U.S. Department of Energy in 2020 to receive up to $1.2 billion under the Advanced Reactor Demonstration Program Cooperative Agreement in federal cost-shared funding to develop, license, build, and demonstrate an operational advanced reactor and fuel fabrication facility within a 10-year span.

In 2022, X-energy announced a $50 million joint development agreement with multinational chemical giant Dow to demonstrate the first-grid advanced nuclear reactor at an industrial site. As part of the agreement, Dow is now a sub-awardee under X-energy’s ARDP with the DOE. At the time of the announcement, Dow also brought to light its intention to take a minority equity stake in X-energy.

Last month, the University of Texas at Austin Cockrell School of Engineering hosted a panel discussion with Governor Abbott, he noted “Texas is the energy capital of the world” Abbott said, “When you look at the fact that Texas is the fastest-growing state with regard to population and businesses, you know that our demand for power is only going to increase.” Abbott also said, “We’re going to be studying and evaluating the reliability, the safety of nuclear power. If it passes all the tests, we will be looking to dramatically expand nuclear power in the state of Texas for the primary purpose of providing reliable, dispatchable power to our grid.”

The International Energy Agency has determined that nuclear energy production would need to increase 80 percent globally by 2040 to stay on track with sustainability targets, including international climate goals.

Dow and X-energy are slated to install an Xe-100 high-temperature, gas-cooled reactor plant at one of Dow’s sites in Seadrift, between Corpus Christi and Houston, which produces more than 4 million pounds each year of materials used in packaging, footwear, wire and cable insulation and solar cell membranes. It also is expected to reduce the plant’s emissions by 440,000 metric tons of carbon dioxide equivalent annually, as steps by Michigan-based Dow toward achieving goals of carbon neutrality by 2050 and reducing carbon emissions by 30 percent by 2030.

Jim Fitterling, Dow chairman and CEO, noted in a press release issued in early March, “The utilization of X-energy’s fourth generation nuclear technology will enable Dow to take a major step in reducing our carbon emissions while delivering lower carbon footprint products to our customers and society,” he said. “The collaboration with X-energy and the DOE will serve as a leading example of how the industrial sector can safely, effectively and affordably decarbonize.”

X-energy will install four of its Xe-100 reactors at the coastal site with each unit designed to produce 80 megawatts of energy fueled by the company’s baseball-sized uranium fuel kernels, encased in layers of pyrolytic carbon, silicon carbide and porous carbon. The reactors will partly be constructed by Fort Worth-based Paragon Energy Solutions, LLC, a supply chain management company that focuses its efforts on tackling the nuclear industry’s most difficult challenges. The Xe-100 modular reactor is one of two designs selected by the DOE to receive $80 million each of initial cost-shared funding to build an advanced reactor demonstration plant that can be operational within seven years.

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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.

Texas leaders discussed the opportunity for nuclear energy. Photo via htxenergytransition.org

5 reasons Texas energy leaders are excited about sustainable nuclear energy

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The University of Texas at Austin Cockrell School of Engineering hosted an event on August 16th called Advanced Nuclear Technology in Texas, where Dow and X-Energy CEOs joined Texas Governor Greg Abbott for a discussion about why the Texas Gulf Coast is quickly becoming the epicenter for nuclear with the recent announcement about Dow and X-Energy. Dow and X-energy are combining efforts to deploy the first advanced small modular nuclear reactor at industrial site under DOE’s Advanced Reactor Demonstration Program

“Texas is the energy capital of the world, but more important is what we are doing with that energy and what it means for our future in the state of Texas,” said Abbott. “Very important to our state is how we use energy to generate power for our grid. For a state that continues to grow massively, we are at the height of our production during the day, and we generate more power than California and New York combined. But we need more dispatchable power generation. One thing we are looking at with a keen eye is the ability to expand our capabilities with regard to nuclear generated power.”

The Governor announced a directive to the Public Utilities Commission of Texas to formulate a workgroup that will make recommendations that aim to propel Texas as a national leader in advanced nuclear energy.

According to the directive, to maximize power grid reliability, the group will work to understand Texas’s role in deploying and using advanced reactors, consider potential financial incentives available, determine nuclear-specific changes needed in the Electric Reliability Council of Texas (ERCOT) market, identify any federal or state regulatory hurdles to development, and analyze how Texas can streamline and speed up advanced reactor construction permitting.

Below are five key takeaways about the project and why energy experts are excited about advanced nuclear energy:

  • Advanced SMR Nuclear Project for Carbon-Free Energy: Dow, a global materials science leader, has partnered with X-energy to establish an advanced small modular reactor (SMR) nuclear project at its Seadrift Operations site in Texas. The project aims to provide safe, reliable, and zero carbon emissions power and steam to replace aging energy assets.
  • Decarbonization and Emission Reduction: This collaboration is set to significantly reduce the Seadrift site’s emissions by approximately 440,000 metric tons of CO2 equivalent per year. By adopting advanced nuclear technology, Dow is making a notable contribution to decarbonizing its manufacturing processes and improving environmental sustainability.
  • Grid Stability and Reliability: The advanced nuclear technology offers enhanced power and steam reliability, ensuring a stable energy supply for Dow’s Seadrift site. This is crucial for maintaining uninterrupted manufacturing operations and contributing to overall electric grid stability.
  • Texas Gulf Coast Energy Hub: Texas, as the energy capital of the world, has been chosen as the location for this groundbreaking project. This selection underscores Texas’ exceptional business climate, innovation history, and commitment to leading the energy transition. The project builds upon Texas’ position as a global energy leader.
  • Economic Growth and Job Opportunities: The SMR nuclear project promises to bring economic growth to the Texas Gulf Coast. It is expected to create new jobs, provide economic opportunities, and strengthen the local economy. By embracing innovative and sustainable energy solutions, Dow and X-energy are driving both industrial advancement and community prosperity.
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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.

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Rice University spinouts named among 50 top cleantech companies to watch

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Two Rice University spinouts, Coflux Purification and DexMat, appear on a new list of the world’s 50 cleantech companies to watch.

Cleantech Group’s 2026 Cleantech 50 to Watch list recognizes early-stage companies “creating groundbreaking solutions to address some of the world’s most pressing environmental and sustainability challenges.”

Cleantech Group, a market research, consulting, and events company, selects the 50 honorees based on insights from analysts and early-stage innovators, along with public nominations.

Destroying “forever chemicals”

Coflux, founded in 2024, offers an onsite treatment system that captures and destroys manufactured “forever chemicals”—per- and polyfluoroalkyl substances—in water and wastewater. It’s a member of Greentown Houston.

Alec Ajnsztajn, CEO; Jeremy Daum, chief technology officer; and Dana Vazquez, chief commercial officer, co-founded Coflux. Ajnsztajn and Daum earned doctoral degrees from Rice, and Vazquez earned an MBA from the university.

Coflux spun out of Rice labs directed by professors Rafael Verduzco and Pulickel Ajayan.

Last year, Coflux received a $175,000 grant from the U.S. Food and Drug Administration’s National Institute of Food and Agriculture. The startup has also raised more than $500,000 in non-dilutive funding, including $80,000 awarded in 2024 by Rice’s One Small Step Grant program.

Promoting an alternative to copper

DexMat, founded in 2015, produces carbon nanotube products such as fibers, yarns, cables, and fabric. The company’s products address demand for materials that can reduce carbon emissions, according to CB Insights.

Its main product, Galvorn, is a copper alternative made of carbon nanotube fibers. CB Insights says Galvorn is engineered to be lighter and stronger than traditional conductive materials like carbon and steel. It’s used in industries such as energy, aerospace, defense, automotive, consumer electronics, and health care.

DexMat emerged from Matteo Pasquali’s Carbon Lab at Rice. Pasquali, co-founder of DexMat, co-invented the company’s technology with the late Nobel Prize-winning chemist Rick Smalley. Smalley was a professor of chemistry, physics, and astronomy at Rice.

Pasquali is a professor of chemical and biomolecular engineering, chemistry, materials science, and nanoengineering at Rice. He co-founded DexMat with Rice graduate Dmitri Tsentalovich, the company’s director of product innovation.

Earlier this year, DexMat raised $5 million in seed funding from Non Sibi Ventures, Governance Partners, Tailwind Futures, BetterWay, Capital Factory, and other investors. The company also secured $3 million in non-dilutive funding.

In 2023, DexMat raised $3 million in a pre-seed round led by Shell Ventures.

TotalEnergies expands solar joint venture with $1.2B portfolio in Texas, Ohio

solar expansion

TotalEnergies, a French company whose U.S. headquarters is in Houston, announced this month that it is expanding its renewable energy joint venture with New York-based investment firm KKR by adding 700 megawatts of utility-scale solar projects.

The deal will add three utility-scale solar assets in Texas and Ohio, which are expected to reach commercial operation by Q1 2027, according to a news release from the company. The portfolio is valued at $1.2 billion.

The 50/50 joint venture between TotalEnergies and KKR currently holds 1.4 gigawatts of renewable energy and will grow to 2.1 gigawatts.

The new deal is expected to close this year. Once completed, TotalEnergies will operate the assets. The electricity generated from the solar projects will be sold to third parties, the company reports.

The companies originally formed the joint venture about a year ago when TotalEnergies sold KKR a 50 percent stake in a North American solar portfolio valued at $1.25 billion. The deal originally included six utility-scale solar assets, primarily located in the U.S.

“TotalEnergies is a renewable energy industry leader globally, and we are thrilled to establish this joint venture with the TotalEnergies team to support their renewables business," Cecilio Velasco, managing director KKR, said in a release last year. “We have long been investors in renewables through our infrastructure platform, having committed more than $23 billion to date in energy transition investments. TotalEnergies’ North American solar portfolio is a great fit for us, representing high-quality renewable energy assets with long term contracts.”

TotalEnergies reports that by June 2026 it held more than 37 gigawatts of gross renewable power generation capacity. It aims to achieve over 100 terawatt-hours of net electricity production by 2030.

The company signed a major power purchase agreement with Google earlier this year. Through the deal, TotalEnergies will supply the tech giant with 1 gigawatt of solar power for its data centers in Texas over a 15-year span.

However, the company also recently redirected nearly $1 billion in capital away from wind energy projects and "decided to renounce offshore wind development in the United States." Read more here.