What's Happening?
Shoals Technologies Group, a leader in electrical infrastructure solutions, and ON.energy, a developer of grid-safe power architecture for AI data centers, are advancing U.S. manufacturing and deliveries for a 1.1 GW hyperscale data center project. This
project, once completed, will be the largest grid-connected battery installation in the United States. Shoals has already shipped a significant number of its PowerHub™ units for the initial phase, with approximately 360 PowerHub systems expected to be manufactured at its Tennessee Mega facility for this phase. These PowerHub units are integrated with ON.energy’s patented medium-voltage AI UPS™, providing a scalable DC electrical architecture crucial for reliable and efficient deployment of critical power infrastructure for AI data centers. Deliveries for the first phase are complete, and project commissioning is anticipated to begin in early Q4. Both companies have expanded their collaboration to support multiple additional project sites across the United States, demonstrating Shoals' capability to manufacture at scale and deliver for large-scale infrastructure projects with domestic production.
Why It's Important?
This collaboration is critically important for the U.S. energy transition and the rapidly expanding AI data center industry. The development of the nation's largest grid-connected battery project signifies a major step towards enhancing grid stability and reliability, which are essential for supporting the immense power demands of hyperscale AI data centers. By leveraging U.S. manufacturing capabilities, Shoals Technologies is contributing to domestic job creation and strengthening the national supply chain for critical energy infrastructure. The integration of PowerHub units with ON.energy’s AI UPS technology addresses the growing need for grid-safe power systems that can bring unprecedented levels of new capacity online quickly and efficiently. This project demonstrates a scalable solution for energy storage that can mitigate the environmental impact of data centers while ensuring uninterrupted power supply, a key factor for the continuous operation of AI and other digital services. The success of this project could set a precedent for future large-scale battery deployments and accelerate the adoption of advanced energy storage solutions across the U.S.
What's Next?
The initial phase of the project is expected to begin commissioning in early Q4, with deliveries for additional phases already underway and on schedule. Shoals and ON.energy plan to continue their expanded collaboration to support multiple additional project sites throughout the United States. This ongoing partnership suggests a sustained effort to meet the growing demand for scalable power infrastructure serving AI data centers. Future developments will likely include the deployment of more PowerHub systems and AI UPS units across various locations, further solidifying the U.S.'s capacity for large-scale battery storage and grid integration. The success of these projects could also attract more investment into domestic manufacturing for renewable energy and energy storage components, fostering further innovation and job growth in the sector.
Beyond the Headlines
This project highlights a crucial intersection between the energy sector and the burgeoning artificial intelligence industry. The massive energy consumption of AI data centers presents both a challenge and an opportunity for renewable energy and energy storage solutions. By deploying the largest grid-connected battery project, the U.S. is demonstrating a commitment to powering its digital future with sustainable and reliable energy. This initiative also underscores the strategic importance of domestic manufacturing in critical infrastructure, reducing reliance on foreign supply chains and enhancing national energy security. The 'grid-safe' power architecture developed by ON.energy, combined with Shoals' manufacturing prowess, represents a significant advancement in managing the complex energy demands of AI, potentially influencing global standards for data center power management. This could lead to a more resilient and environmentally conscious digital infrastructure, addressing concerns about the carbon footprint of AI while ensuring its continued growth.












