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Houston clean energy company goes online with Hawaii facility

Plus Power has announced its Oahu, Hawaii, facility is up and running. Photo via pluspower.com

Houston-based Plus Power announced it has begun operating a new facility on Oahu, Hawaii.

The Kapolei Energy Storage, or KES, facility is “the most advanced grid-scale battery energy storage system in the world,” which will help transition the state's electric power from coal and oil to solar and wind, according to the company.

The KES battery project is located on 8 acres of industrial land on the southwest side of Oahu near Honolulu, and will use 158 Tesla Megapack 2 XL lithium iron phosphate batteries. It will offer the grid 185 megawatts of total power capacity and 565 megawatt-hours of electricity. This will act as an electrical "shock absorber" that will be served by combustion-powered peaker plants to respond in 250 milliseconds according to Power Plus.

"This is a landmark milestone in the transition to clean energy," Brandon Keefe, Plus Power's executive chairman, says in a news release. "It's the first time a battery has been used by a major utility to balance the grid: providing fast frequency response, synthetic inertia, and black start. This project is a postcard from the future — batteries will soon be providing these services, at scale, on the mainland."

The KES plant interconnects three of Hawaiian Electric's critical power generation facilities, which can enable KES to support the reboot of power plants in the event of a state-wide emergency.The KES batteries will help replace the grid capacity formerly provided by an AES coal power plant.

By June 2024, Plus Power aims to operate seven large-scale battery energy storage plants across Arizona and Texas. Last year, the company secured $1.8 billion in new financing for a handful of ongoing projects — most of which are in Texas.

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A View From HETI

The company's technology extracts critical minerals like iodine, lithium and copper from oilfield-produced water. Photo courtesy Altillion

Houston-based startup Altillion has secured $5 million in seed funding to accelerate the commercialization of its proprietary IRIS and ALIX technologies, which convert oilfield-produced water into valuable minerals.

San Francisco-based EIC Rose Rock and Houston-based Flathead Forge led the round. Altillion says the funding will go toward pilot facilities and commercial deployments as the company looks to scale in the U.S.

“Altillion’s efficient and scalable technologies are needed more than ever to reshape critical mineral recovery and facilitate beneficial use of oilfield brines,” Jay Keener, Altillion’s CEO and co-founder, said in a news release. “We’re uniquely positioned to provide a stable, domestic supply of the critical minerals needed for electronics, batteries, healthcare and national defense technologies. This investment from EIC Rose Rock and Flathead Forge enables us to strategically accelerate this impact and is very timely given the current geopolitical dynamics.”

Altillion's IRIS and ALIX platforms extract minerals like iodine, lithium and copper from oilfield-produced water, geothermal brines and salars. This process allows companies to unlock new sources of revenue while also boosting the domestic critical minerals supply chain. The company announced earlier this summer that it will launch a feasibility project in the Permian Basin and aims to develop a path to commercial-scale implementation in the field.

“We are excited to partner with Altillion to scale and deploy these world-class technologies to access the vast wealth hidden in wastewater,” David Clouse, Managing Director of EIC Rose Rock, added in the release. “With Altillion, we’re expanding our ability to empower the energy industry to domestically source the critical minerals America needs for a robust economy and supply chain.”

Altillion was founded by Keener and COO Scott Buckwald in 2023. Keener previously founded KDH Trading, where Buckwald also serves as COO, according to his LinkedIn page.

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