Peak Energy, an innovative US-based energy storage developer, announced the successful deployment of their first passively-cooled sodium-ion energy storage system. One of the biggest breakthroughs took place at the Solar Technology Acceleration Center (SolarTAC) in Watkins, Colorado. This innovative development represents a breakthrough moment in the trajectory of energy storage technology.
The breakthrough sodium-ion system hopes to change the energy landscape. It provides both utilities and independent power producers (IPPs) an extremely economical, low-risk solution. According to survey respondents, this technology saves more than $100 million in lifetime project costs for average deployments. Consequently, Peak Energy is fundamental to bridging the gap in supply and demand for affordable, smart and reliable energy solutions.
Deployment and Collaboration
Our sodium-ion energy storage system officially entered service in September 2025. It also stands as the largest sodium-ion energy storage deployment in the United States to date. Peak Energy has joined forces with nine utility and independent power producer customer-owners. Combined they’re making strides to help make this new technology scalable and more effective. This partnership represents a powerful affirmation of Peak Energy’s system. It’s a testimony to the collaborative spirit to meet the growing energy needs of our country.
Landan Mossburg, CEO and co-founder of Peak Energy, said he was thrilled by the opportunity the project presents. He stated that the company’s technology is designed to tackle America’s dual energy challenges: affordability and availability. By focusing on these critical issues, Peak Energy aims to help alleviate the burden of rising electric bills that many consumers face today.
Technological Breakthrough
The passively-cooled sodium-ion energy storage system has received considerable hype as a breakthrough energy storage technology. This clever upending of conventional battery system design is a major departure from the norm. It provides up to 70% lower operating costs, which is extremely attractive to energy providers. By increasing the system’s efficiency, it will greatly accelerate the time to market. In addition, it will provide a dependable energy capacity solution that is important to both utilities and independent operators.
Peak Energy’s mission is to make energy affordable and sustainable. Their mission is to ensure that the unfolding energy transition results in equitable outcomes for all consumers. SolarTAC is about more than just testing the technology. It perpetually accelerates groundbreaking innovations in advanced energy storage technologies.
Future Implications
Peak Energy is continuing to round out its sodium-ion technology. The beauty of our system is that it’s going to be instrumental in defining and developing this new energy storage economy. As we bring the lowest-cost solutions to power our customers’ transitions to more sustainable energy practices, our company’s success will follow. Simultaneously, it responds to worries about the cost of electricity use.
