growth ahead

Texas developer closes $225M to supercharge US energy storage expansion

Jupiter Power's Houston facility went online earlier this year. Photo courtesy of jupiterpower.io

Austin-based developer and operator of utility-scale battery energy storage systems Jupiter Power has announced the successful closing of a $225 million corporate credit facility.

The transaction strengthens Jupiter Power’s U.S. portfolio, which includes one of the nation’s largest energy storage development pipelines, totaling over 12,000 megawatts. Jupiter Power, which also has offices in Houston, began commercial operations with the launch of its 400-megawatt-hour battery facility, Callisto I, in central Houston in August of 2024.

"Securing this corporate credit facility highlights the market's recognition of Jupiter Power as a leader in advancing large-scale energy storage solutions, as evidenced by our 2,575 megawatt hours of battery energy storage systems already in operation or construction," Jupiter Power CFO Jesse Campbell says in a news release. “This funding enhances our ability to advance projects across our pipeline in markets where energy storage is needed most. We greatly appreciate the support of our banking partners in this transaction.”

The $225 million in total revolving credit facilities will include up to $175 million in letters of credit and $50 million in revolving loans. Leading on the lender side includes Barclays Bank PLC, HSBC Bank USA, and Sumitomo Mitsui Banking Corp.

“HSBC is proud to support Jupiter Power with their credit facility as they continue to expand and accelerate the development of their energy storage projects across the United States,” Paul Snow, head of renewables - Americas at HSBC adds. “HSBC’s inaugural facility with Jupiter Power not only reinforces our commitment to financing premiere clean energy projects, but complements our ambition to deliver a net zero global economy.”

The Houston project is the first in the area, and Jupiter Power's ninth to deliver energy storage to ERCOT, which brings its total ERCOT fleet to 1,375-megawatt-hour capacity.

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A View From HETI

A team from UH has published two breakthrough studies that could help cut costs and boost efficiency in carbon capture. Photo courtesy UH.

A team of researchers at the University of Houston has made two breakthroughs in addressing climate change and potentially reducing the cost of capturing harmful emissions from power plants.

Led by Professor Mim Rahimi at UH’s Cullen College of Engineering, the team released two significant publications that made significant strides relating to carbon capture processes. The first, published in Nature Communications, introduced a membraneless electrochemical process that cuts energy requirements and costs for amine-based carbon dioxide capture during the acid gas sweetening process. Another, featured on the cover of ES&T Engineering, demonstrated a vanadium redox flow system capable of both capturing carbon and storing renewable energy.

“These publications reflect our group’s commitment to fundamental electrochemical innovation and real-world applicability,” Rahimi said in a news release. “From membraneless systems to scalable flow systems, we’re charting pathways to decarbonize hard-to-abate sectors and support the transition to a low-carbon economy.”

According to the researchers, the “A Membraneless Electrochemically Mediated Amine Regeneration for Carbon Capture” research paper marked the beginning of the team’s first focus. The research examined the replacement of costly ion-exchange membranes with gas diffusion electrodes. They found that the membranes were the most expensive part of the system, and they were also a major cause of performance issues and high maintenance costs.

The researchers achieved more than 90 percent CO2 removal (nearly 50 percent more than traditional approaches) by engineering the gas diffusion electrodes. According to PhD student and co-author of the paper Ahmad Hassan, the capture costs approximately $70 per metric ton of CO2, which is competitive with other innovative scrubbing techniques.

“By removing the membrane and the associated hardware, we’ve streamlined the EMAR workflow and dramatically cut energy use,” Hassan said in the news release. “This opens the door to retrofitting existing industrial exhaust systems with a compact, low-cost carbon capture module.”

The second breakthrough, published by PhD student Mohsen Afshari, displayed a reversible flow battery architecture that absorbs CO2 during charging and releases it upon discharge. The results suggested that the technology could potentially provide carbon removal and grid balancing when used with intermittent renewables, such as solar or wind power.

“Integrating carbon capture directly into a redox flow battery lets us tackle two challenges in one device,” Afshari said in the release. “Our front-cover feature highlights its potential to smooth out renewable generation while sequestering CO2.”

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