“Storage is critical to our strategy,” asserts Javier García Arenas, Chief Corporate Strategy at Cox Group, when asked about the group’s priorities during the FES Iberia 2025 panel. The company’s message is clear: energy storage is not just complementary—it is fundamental to its commercial and technological roadmap.
Rather than pursuing investments based solely on short-term return or regulatory incentives, Cox Group integrates energy storage as a key enabler of grid stability and long-term energy planning. From the stage, Arenas explained that the group operates with a broad technological approach. “We’re not only targeting lithium storage and classic batteries, we’re working on thermal salt storage and steam-based solutions,” he stated.
Patents and applied innovation
Innovation is at the heart of Cox Group’s positioning in the storage sector. Arenas noted that the company holds proprietary patents in a range of technologies. These are designed to support real-world applications and scalable industrial models.
“We even hold patents across all types of storage, and it’s absolutely central to our strategy,” he emphasised.
Among the flagship developments, Arenas highlighted a pilot project with Malta Inc., a company backed by Jeff Bezos, Jack Ma and Mark Zuckerberg. The initiative harnesses existing industrial capabilities to develop thermal storage systems using steam and molten salts, bridging traditional infrastructure and frontier innovation.
Solutions designed to solve real problems
Cox Group rejects a commodity view of energy storage. Arenas distinguished between simply deploying batteries and creating systems that solve real challenges. “We try to move away from stand-alone battery investment. We must provide value to the system, solve problems for the customer or the system itself,” he said.
This focus on functionality and system integration sets the group apart in a market where speed often overrides substance. “Anything that doesn’t bring solutions, innovation or software is not of interest to us,” added Arenas.
This philosophy also applies to software and digital control. For the Cox Group, energy storage must integrate with data management, optimisation and intelligent systems to unlock its full potential.
Purpose-driven strategy in a volatile market
The Iberian and broader European markets face intermittency, price volatility and regulatory pressure. Within this context, Cox Group sees purpose-driven storage investment as a strategic imperative.
The FES 2025 panel, moderated by Energía Estratégica, reflected on the 28 April blackout and the structural changes it demands. Arenas stressed storage’s essential role not only in prevention but also in enhancing renewable integration and grid efficiency.
“We must bring solutions, innovation or software that goes beyond the stand-alone battery model,” he reiterated.
Technology, expertise and a global vision
With international presence and expertise in complex energy systems, Cox Group positions itself as a key player in the energy transition. Its strategy is grounded in technological diversity, operational flexibility and long-term vision.
As outlined by Javier García Arenas at FES Iberia 2025, Cox Group focuses on solving systemic problems, not simply following trends. That clarity of purpose and depth of expertise mark the company as one of the most forward-looking actors in the energy storage space.
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