PowerSecure executes agreement with Keel Infrastructure to support Moses Lake Data Center Campus

PowerSecure will supply a customized, scalable standby power and peak-shaving solution to support Keel Infrastructure’s expanding Moses Lake data center campus.

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PowerSecure (subsidiary of SO) has entered into an agreement with Keel Infrastructure (KEEL) to provide a fully integrated backup resiliency solution for Keel’s data center campus in Moses Lake, Washington.

PowerSecure will design and deliver a customized, scalable standby power system based on its modular PowerBlocks® platform, aimed at ensuring operational continuity, supporting future campus expansion and enabling peak shaving to optimize energy use during high-load periods.

News Explained

The PowerSecure–Keel Infrastructure arrangement is already an established partnership rather than only a newly announced agreement: PowerSecure says the parties aligned earlier this year and that an engineering and project-delivery team has been deployed to design and implement the Moses Lake solution.

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DURHAM, N.C., Sept. 9, 2026 /PRNewswire/ -- PowerSecure, a subsidiary of Southern Company and a leading provider of resilient, innovative energy solutions, today announced it has entered into an agreement with Keel Infrastructure (Nasdaq, TSX: KEEL) to provide a fully integrated backup resiliency solution for Keel Infrastructure's data center campus in Moses Lake, Washington.

The project will support Keel Infrastructure's continued expansion into digital infrastructure development and underscores growing demand for reliable, scalable energy solutions in the sector.

"This project underscores PowerSecure's ability to deliver flexible, resilient energy solutions with speed and precision," said Jim Smith, president of PowerSecure. "By combining technical expertise with a highly collaborative approach, our team developed a tailored solution that meets Keel's immediate needs while positioning them for future growth."

"Reliable power is the foundation of everything we build at Keel Infrastructure, and this solution gives our Moses Lake campus the resiliency and operational continuity our customers depend on at a time when firm power solutions are increasingly critical," said Alex Brammer, Executive Vice President of Operations at Keel Infrastructure. "PowerSecure's solution is also aligned with our approach to responsible development, allowing us to meet our customers' stringent availability requirements while minimizing the impact on our grid infrastructure and environment."

Under the agreement, PowerSecure will design and deliver a customized standby power solution tailored to the needs of the Moses Lake campus, helping ensure operational continuity and long-term flexibility as the site grows. The solution is designed for scalability across PowerSecure PowerBlocks® — modular, integrated power generation systems that combine onsite generation, controls and electrical infrastructure to provide reliable backup and resilient energy for mission-critical facilities.

This flexible architecture provides a foundation to support future capacity needs as the campus expands. In addition to providing reliable backup power, the solution is also designed to enable peak shaving, helping optimize energy use during periods of high system load.

PowerSecure and Keel Infrastructure established the partnership earlier this year, aligning quickly on system requirements and delivery timelines for the Moses Lake campus. PowerSecure deployed an integrated engineering and project delivery team to design and implement the solution, helping to ensure reliable performance and streamlined execution.

The Moses Lake project further reinforces PowerSecure's position as a trusted partner for mission-critical infrastructure and highlights its ability to support the rapidly evolving needs of the data center industry.

About PowerSecure
PowerSecure, a subsidiary of Southern Company, stands at the forefront of the distributed energy infrastructure sector in the United States. With a rich history spanning more than two decades, PowerSecure's dedicated team of professionals has successfully developed, installed, managed and serviced over 2 gigawatts of microgrid capacity. This achievement underscores PowerSecure's commitment to advancing energy solutions that are both efficient and sustainable, having implemented energy efficiency upgrades valued at more than $900 million. To learn more, visit www.powersecure.com.

About Southern Company
Southern Company (NYSE: SO) is a leading energy provider serving 9 million customers across the Southeast and beyond through its family of companies. The company has electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company, a leading distributed energy solutions provider with national capabilities a fiber optics network and telecommunications services. Our uncompromising values ensure we put the needs of those we serve at the center of everything we do and are the key to our sustained success, driven by our nearly 30,000 employees dedicated to delivering exceptional service. To learn more, visit www.southerncompany.com.

About Keel Infrastructure Corp.
Keel Infrastructure is a North American digital infrastructure and energy company that develops and owns data centers and energy infrastructure for high-performance computing workloads, including AI. With a pipeline of 2.2 gigawatts and established grid interconnections already in place, Keel delivers scalable infrastructure solutions in high-demand power markets across Pennsylvania and Washington in the United States, and Québec in Canada. Keel is headquartered in New York City and trades under the ticker symbol "KEEL" on Nasdaq and TSX. Learn more at www.keelinfra.com.

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SOURCE PowerSecure

FAQ

What will PowerSecure provide under its agreement with Keel Infrastructure?

Under the agreement, PowerSecure will design and deliver a customized standby power solution for Keel Infrastructure’s Moses Lake data center campus. The system is tailored to campus needs and is intended to ensure operational continuity, long-term flexibility and support for future capacity as the site grows.

How is the backup power solution for the Moses Lake campus designed to work?

The solution uses PowerSecure PowerBlocks®, which are modular, integrated power generation systems combining onsite generation, controls and electrical infrastructure. This architecture is designed to provide reliable backup power for mission-critical facilities and to enable peak shaving, helping optimize energy use during periods of high system load.

When did PowerSecure and Keel Infrastructure establish their partnership for this project?

PowerSecure and Keel Infrastructure established their partnership earlier in 2026, aligning on system requirements and delivery timelines for the Moses Lake campus and deploying an integrated engineering and project delivery team for implementation.