Collaboration Enhances Mitsubishi Power’s Strategic Infrastructure of Long-duration Hydrogen Storage Solutions across North America

Mitsubishi Power Americas, Inc., and Texas Brine Company, LLC have signed an agreement to develop large-scale long-duration hydrogen storage solutions to support decarbonization efforts across the eastern United States. Long-duration hydrogen storage is a key enabling technology for the transition to a net zero carbon energy future.

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Mitsubishi Power Americas and Texas Brine Company are collaborating to develop large-scale long-duration hydrogen storage solutions to support decarbonization efforts across the eastern United States. Long-duration hydrogen storage is a key enabling technology for the transition to a net zero carbon energy future. Shown: Texas Brine gas storage cavern wellhead. (Credit: Texas Brine Company)

This collaboration expands Mitsubishi Power’s capability to store hydrogen safely and cost effectively in salt caverns in strategic locations across North America. The nation’s largest brine producer, Texas Brine and its affiliates have salt positions in New York, Virginia, Texas and Louisiana that will enable access to major load centers in the Northeast, Mid-Atlantic and the Gulf Coast.

Salt deposits are unique geological features into which caverns can be solution mined to provide safe, reliable and economical bulk gas storage. Hydrogen has been stored in salt caverns for decades in the U.S. Gulf Coast. Expanding the use of salt caverns for hydrogen energy storage in other regions offers a significant opportunity to create an infrastructure for clean energy resources throughout the U.S. to benefit industries such as power, transportation and manufacturing that are targeting net zero carbon emissions.

The collaboration with Texas Brine enhances Mitsubishi Power’s developing hydrogen infrastructure:

• In 2019, Mitsubishi Power announced a joint venture with Magnum Development to develop the world’s largest renewable energy storage project, the Advanced Clean Energy Storage Project, to enable decarbonization efforts across the western U.S. This site is atop a massive salt dome in Delta, Utah, and adjacent to the Intermountain Power Project, which has transmission interconnections to major western demand centers.
• In September 2020, Mitsubishi Power announced a joint development agreement with Entergy to collaborate on bringing decarbonization projects to Entergy’s utility businesses in four states.
• Also in September, Mitsubishi Power announced that it had secured technical selections for three projects using its hydrogen-ready M501JAC gas turbines at the Danskammer Project being developed by Agate Power in Newburg, NY, the Chickahominy Power Project being developed by Balico in Virginia, and the Harrison Power Project being developed by EmberClear.

The Texas Brine collaboration complements Mitsubishi Power’s growing portfolio of hydrogen-ready gas turbines by positioning large-scale hydrogen storage in close proximity to projects, enabling access to economical utility-scale renewable energy storage.

Mitsubishi Power’s collaboration with Texas Brine provides other symbiotic benefits. Brine, a mixture of salt and water, is produced during the solution mining of salt formations. It can then be used as a critical feedstock for the chemical industry, or it can be dehydrated to produce salt for food, deicing, agricultural, industrial, and water softening markets. The coproduct of the solution mining process is an underground repository that can be used to store liquid or gaseous commodities, such as hydrogen. Conversely, when a salt cavern is designed and engineered specifically for the storage of hydrogen, it employs the same solution mining process, which ultimately creates a brine coproduct that can be used as a feedstock.

The alliance will initially focus on existing sites controlled by Texas Brine and its affiliates. Both companies will evaluate the opportunity for hydrogen storage in existing and new caverns, along with detailed engineering and design studies to support hydrogen storage needs. The companies will also explore greenfield applications that can benefit from hydrogen storage as well as brine and dry salt production.

Ted Grabowski, President and CEO of Texas Brine, said, “Strategic alliances that enhance collaboration across industry domains are critical for cost-effective use of resources. We look forward to collaborating with Mitsubishi Power to support safe and low cost storage of hydrogen across our sites in the eastern U.S. and to explore synergistic opportunities at sites in other parts of the country.”

Paul Browning, President and CEO of Mitsubishi Power Americas, said, “To bring about an energy transition for a net zero carbon future, we have to work with partners. It takes innovative partnerships and cross-sector teams to decarbonize multiple verticals. Our alliance with Texas Brine supports our mission to provide power generation and energy storage solutions to our customers, empowering them to affordably and reliably combat climate change and advance human prosperity. Together with our partners, we are creating a Change in Power.”

About Mitsubishi Power Americas, Inc.

Mitsubishi Power Americas, Inc. headquartered in Lake Mary, Florida, employs more than 2,000 power generation, energy storage, and digital solutions experts and professionals. Our employees are focused on empowering customers to affordably and reliably combat climate change while also advancing human prosperity throughout North and South America. Mitsubishi Power’s power generation solutions include natural gas, steam, aero-derivative, geothermal, distributed renewable technologies, environmental controls, and services. Energy storage solutions include green hydrogen and battery energy storage systems. Mitsubishi Power also offers digital solutions that enable autonomous operations and maintenance of power assets. Mitsubishi Power, Ltd. is a wholly owned subsidiary of Mitsubishi Heavy Industries, Ltd. (MHI). Headquartered in Tokyo, Japan, MHI is one of the world’s leading heavy machinery manufacturers with engineering and manufacturing businesses spanning energy, infrastructure, transport, aerospace and defense. For more information, visit the Mitsubishi Power Americas website and follow us on LinkedIn.

About Texas Brine Company, LLC

Texas Brine is a family-owned business based in Houston, Texas with a proud heritage in salt-related businesses. Founded in 1946, Texas Brine helped pioneer the commercial production of brine through solution mining in Texas salt domes and co-founded the Solution Mining Research Institute to promote understanding and expertise in this evolving field. We currently supply over 35 percent of the brine requirements of the Chlor-alkali industry — creating millions of barrels of storage capacity per year. Our underground caverns developed through brine production are designed to meet storage needs for a wide variety of gas and liquid products. Our focus is on the needs of our customers, from operating customer-owned assets to developing and owning greenfield sites dedicated to a customer's plant. Due to this commitment to service, it is no surprise that Texas Brine has customer relationships that span half a century. For more information, visit the Texas Brine website and follow us on LinkedIn.

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“To bring about an energy transition for a net zero carbon future, we have to work with partners. It takes innovative partnerships and cross-sector teams to decarbonize multiple verticals.”—Paul Browning, President and CEO