Sodium-ion BESS for mining is moving closer to large-scale use as Alsym Energy and ERITY sign a 9 GWh Strategic Relationship Agreement. Together, the companies plan to deploy battery energy storage systems for mining operations across several regions. Their partnership targets remote sites that need dependable power, lower operating costs, and stronger energy resilience.
Alsym Energy develops sodium-ion batteries designed for safety, cost control, and flexible deployment. ERITY provides integrated services to the mining, resources, and energy sectors. As a result, the two companies aim to bring practical energy storage solutions to mines in Tanzania, Saudi Arabia, Finland, and the United States. In addition, the agreement supports projects for other mining companies beyond the initial named operators.
Sodium-ion BESS for mining: what Alsym and ERITY will deploy
The 9 GWh agreement centers on battery energy storage systems for a wide range of mining applications. First, the companies will support round-the-clock microgrids for mine operations. These systems can provide stable power for daily site activity. They can also support ventilation systems, which consume significant energy in subsurface mines.
Next, the partnership covers power for critical mineral extraction and processing. Reliable storage can help mines manage energy demand more effectively. Moreover, the plan includes onsite data centers that process geological data in real time. This use case matters as mines depend more on digital systems and fast decision-making.
The agreement also includes electrified mining and hauling equipment. In parallel, it supports mobile BESS units that crews can move to the areas where power is needed most. Therefore, the project goes beyond stationary storage and addresses flexible power needs across large and changing mining sites.
Why sodium-ion BESS for mining fits remote operations
Mining companies often operate far from grid connections. Because of that, many sites still rely heavily on diesel generation. According to Alsym, the mining sector burns around 125 billion liters of diesel each year. That fuel use can account for 30% to 50% of a mine’s operating costs. Consequently, operators continue to search for solutions that improve efficiency and reduce fuel dependence.
Battery energy storage systems paired with renewable generation offer a clear path forward. For example, solar and storage can help remote mines cut diesel consumption while maintaining reliable power. Likewise, storage can smooth power delivery, manage peak demand, and improve system stability. These benefits make BESS an attractive option for sites that need around-the-clock energy.
ERITY brings global mining experience to the partnership. The company operates on six continents and maintains major operations in Australia, Africa, and the Middle East. Therefore, ERITY can support deployment in key mining regions and adapt projects to local operating conditions.
Sodium-ion BESS for mining: Alsym battery features
Alsym says its Na-Series sodium-ion cells can be stored and transported at 0% state of charge. That feature supports the mobile BESS use case and can simplify logistics for remote projects. In addition, the company states that its sodium-ion chemistry eliminates thermal runaway. Alsym also says the batteries operate across a wide temperature range.
These features can help mining operators deploy storage in demanding environments. Furthermore, Alsym says its battery systems do not require HVAC support for safety or performance. That can reduce system complexity and support lower operating costs. For mining sites, practical design choices matter because equipment must perform reliably in varied climates and remote locations.
Sodium-ion BESS for mining and mine electrification
The agreement reflects a broader shift toward mine electrification and smarter energy infrastructure. As mines adopt more electric equipment, energy storage becomes more valuable. It can support charging needs, improve load management, and help operators match renewable generation with site demand. As a result, storage plays an important role in modern mine design.
Mobile BESS units add another advantage. Teams can move them to support new work zones, temporary loads, or high-demand areas. This flexibility is useful on large sites where power needs can change quickly. In turn, operators gain a more adaptable energy strategy.
What ERITY says about sodium-ion BESS for mining
Manny Claassens, COO (Energy) at ERITY, said the collaboration addresses major energy needs in the mining industry. He noted that mines often face high energy demand in remote locations with limited access to traditional infrastructure. He added that integrating Alsym Energy’s storage systems can help reduce costs, improve energy resilience, and support stronger safety and sustainability outcomes.
Overall, the Alsym and ERITY agreement highlights growing interest in sodium-ion storage for industrial use. With a 9 GWh pipeline, the partnership signals meaningful scale. More importantly, it focuses on real mining applications, from microgrids and processing to mobile power and electrified equipment. If deployments move forward as planned, sodium-ion BESS for mining could become an increasingly visible part of the sector’s energy mix in 2026 and beyond.
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