If you’ve been keeping an eye on the energy storage world, there’s some exciting news worth diving into. Peak Energy, a US-based company pushing the boundaries of giga-scale energy storage, has just announced a major multi-year agreement with Jupiter Power, one of the country’s leading developers and operators of utility-scale battery systems. It’s the kind of partnership that signals big momentum for the future of the grid.
A Breakthrough Agreement for Sodium-Ion Storage
At the heart of this collaboration is Peak Energy’s plan to supply up to 4.75 GWh of its sodium-ion battery energy storage systems. These systems are set to roll out across Jupiter Power’s projects between 2027 and 2030, marking a meaningful shift toward innovative battery technology designed to support large-scale energy demands.
Peak Energy’s CEO and Co-Founder, Landon Mossburg, didn’t hold back his enthusiasm. He described this deployment as proof that sodium-ion technology is ready for prime time and well-positioned to shape the future of energy storage. When you consider that the total contract value may surpass $500 million, it becomes clear just how significant this moment is for the sodium-ion sector.
Setting Records with the First Phase
The agreement kicks off with a major milestone: roughly 720 MWh of storage capacity will be delivered in 2027. This single phase alone is set to become the largest announced deployment of sodium-ion batteries anywhere in the world. Beyond that, Jupiter Power has secured a sizable capacity reservation, covering an additional 4 GWh of Peak Energy’s systems between 2028 and 2030. It’s a strong vote of confidence and a long-term investment in the future of the technology.
Why Sodium-Ion? A Closer Look at the Technology
So, what makes Peak Energy’s sodium-ion approach so compelling? Jupiter Power’s decision stems from the impressive operational and financial benefits of Peak’s proprietary NFPP sodium-ion system, which the company unveiled shortly before this announcement.
One of the standout features is its fully passive design. Unlike traditional systems that rely on active cooling, Peak’s technology doesn’t need it. That means far less auxiliary power, up to 97 percent less and a noticeable improvement in safety. Over a 20-year operational life, the system also promises nearly 30 percent better cell degradation performance than many popular lithium-ion alternatives. In practice, this could spare operators from having to add extra battery units down the road just to maintain the original energy capacity.
Lower Maintenance, Lower Costs, Higher Confidence
This passive design also eliminates a long list of components usually tied to active cooling systems. Without those extra parts—many of which require periodic maintenance, repairs, or replacements—operators can expect lower operations and maintenance costs over the life of the system. It’s a thoughtful design that aims for both simplicity and long-term savings.
Mossburg emphasized that Peak Energy has believed in sodium-ion’s potential from the beginning, especially for grid-scale storage. With growing demand from hyperscalers and AI-related energy needs, he pointed out how essential it is to invest in technology that can deliver sustainable, cost-effective solutions over the long haul. Jupiter Power, he noted, truly understands that vision.
Why Jupiter Power Is All In
For Jupiter Power, this isn’t just about adopting new technology. Mike Geier, the company’s Chief Technology Officer, explained that the agreement aligns with Jupiter’s broader strategy to scale up reliable, dispatchable energy—right when and where it’s needed most. By supporting domestic battery manufacturing and championing Peak’s first-of-its-kind sodium-ion technology, Jupiter Power is helping pave the way for a more resilient, US-based supply chain.
A Big Step Toward a Stronger Energy Future
At its core, this agreement serves as a major validation of Peak Energy’s scalable, drop-in solution. It also supports the company’s commitment to building a robust domestic supply chain for sodium-ion technology. As the energy grid evolves and demand keeps rising, partnerships like this one show just how bright the future of clean, sustainable energy storage can be.
Source: Peak Energy
