The Fort Bend County project is expected to begin construction early next year. Photo by Red Zeppelin/Pexels

A solar project in Fort Bend County has secured funding and an engineering firm this month.

Impact investment firm Advantage Capital has committed to provide a $185 million investment to Sabanci Renewables Inc., a North American subsidiary of Sabanci Holding based in Austin, to complete the financing of its Cutlass Solar II project 40 miles southwest of Houston. Cutlass II is a 272 MWdc utility-scale solar project under construction in the Electric Reliability Council of Texas (ERCOT).

The project will be located in Fort Bend County. Advantage Capital’s tax equity investment will provide the external capital for Sabanci to complete the project. Sabanci Renewables will own and operate the facility.

“This investment with Sabanci Renewables perfectly aligns with Advantage Capital’s commitment to funding clean energy projects nationwide and will especially have a positive impact on the community in greater Fort Bend County, Texas,” Tom Bitting, Principal at Advantage Capital, says in a news release. “We are thrilled to be working with Sabanci, a trusted name in the global energy industry, in bringing this project online for the benefit of its stakeholders.”.

Operations for Cutlass II are expected in April 2024. The project includes over 500,000 solar panels situated on over 1,000 acres of land. The solar panels are expected to help provide sustainable electricity to more than 80,000 homes in Texas, help to mitigate energy supply security concerns due to hotter weather, and create jobs.

“We are happy to partner up with Advantage Capital in our first renewable energy project in the U.S. and proud to demonstrate our execution capabilities in such a competitive market under such a challenging environment,” Ismail Bilgin, CEO of Sabanci Renewables, said in a news release.

Virginia-headquartered Bechtel, which has a big presence in Houston, has been selected to build the facility for Sabanci Renewables. Sabanci Renewables will own and operate the facility.

"Bechtel is honored to partner with Sabanci Renewables to support a clean energy future," says Kelley Brown, EPC Operations manager, North America Core Renewables, Bechtel Infrastructure, in another news release. "Bechtel's use of new technology in robotics and digital management will help move Cutlass Solar Two from construction to operations in record time, bringing additional renewable energy generation to Texas."

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Rice University spinout lands $500K NSF grant to boost chip sustainability

cooler computing

HEXAspec, a spinout from Rice University's Liu Idea Lab for Innovation and Entrepreneurship, was recently awarded a $500,000 National Science Foundation Partnership for Innovation grant.

The team says it will use the funding to continue enhancing semiconductor chips’ thermal conductivity to boost computing power. According to a release from Rice, HEXAspec has developed breakthrough inorganic fillers that allow graphic processing units (GPUs) to use less water and electricity and generate less heat.

The technology has major implications for the future of computing with AI sustainably.

“With the huge scale of investment in new computing infrastructure, the problem of managing the heat produced by these GPUs and semiconductors has grown exponentially. We’re excited to use this award to further our material to meet the needs of existing and emerging industry partners and unlock a new era of computing,” HEXAspec co-founder Tianshu Zhai said in the release.

HEXAspec was founded by Zhai and Chen-Yang Lin, who both participated in the Rice Innovation Fellows program. A third co-founder, Jing Zhang, also worked as a postdoctoral researcher and a research scientist at Rice, according to HEXAspec's website.

The HEXASpec team won the Liu Idea Lab for Innovation and Entrepreneurship's H. Albert Napier Rice Launch Challenge in 2024. More recently, it also won this year's Energy Venture Day and Pitch Competition during CERAWeek in the TEX-E student track, taking home $25,000.

"The grant from the NSF is a game-changer, accelerating the path to market for this transformative technology," Kyle Judah, executive director of Lilie, added in the release.

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This article originally ran on InnovationMap.

Rice research team's study keeps CO2-to-fuel devices running 50 times longer

new findings

In a new study published in the journal Science, a team of Rice University researchers shared findings on how acid bubbles can improve the stability of electrochemical devices that convert carbon dioxide into useful fuels and chemicals.

The team led by Rice associate professor Hoatian Wang addressed an issue in the performance and stability of CO2 reduction systems. The gas flow channels in the systems often clog due to salt buildup, reducing efficiency and causing the devices to fail prematurely after about 80 hours of operation.

“Salt precipitation blocks CO2 transport and floods the gas diffusion electrode, which leads to performance failure,” Wang said in a news release. “This typically happens within a few hundred hours, which is far from commercial viability.”

By using an acid-humidified CO2 technique, the team was able to extend the operational life of a CO2 reduction system more than 50-fold, demonstrating more than 4,500 hours of stable operation in a scaled-up reactor.

The Rice team made a simple swap with a significant impact. Instead of using water to humidify the CO2 gas input into the reactor, the team bubbled the gas through an acid solution such as hydrochloric, formic or acetic acid. This process made more soluble salt formations that did not crystallize or block the channels.

The process has major implications for an emerging green technology known as electrochemical CO2 reduction, or CO2RR, that transforms climate-warming CO2 into products like carbon monoxide, ethylene, or alcohols. The products can be further refined into fuels or feedstocks.

“Using the traditional method of water-humidified CO2 could lead to salt formation in the cathode gas flow channels,” Shaoyun Hao, postdoctoral research associate in chemical and biomolecular engineering at Rice and co-first author, explained in the news release. “We hypothesized — and confirmed — that acid vapor could dissolve the salt and convert the low solubility KHCO3 into salt with higher solubility, thus shifting the solubility balance just enough to avoid clogging without affecting catalyst performance.”

The Rice team believes the work can lead to more scalable CO2 electrolyzers, which is vital if the technology is to be deployed at industrial scales as part of carbon capture and utilization strategies. Since the approach itself is relatively simple, it could lead to a more cost-effective and efficient solution. It also worked well with multiple catalyst types, including zinc oxide, copper oxide and bismuth oxide, which are allo used to target different CO2RR products.

“Our method addresses a long-standing obstacle with a low-cost, easily implementable solution,” Ahmad Elgazzar, co-first author and graduate student in chemical and biomolecular engineering at Rice, added in the release. “It’s a step toward making carbon utilization technologies more commercially viable and more sustainable.”

A team led by Wang and in collaboration with researchers from the University of Houston also shared findings on salt precipitation buildup and CO2RR in a recent edition of the journal Nature Energy. Read more here.