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Energy storage developer Hecate Grid rebrands as Fullmark Energy

By Kelsey Misbrener | May 7, 2025

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Energy storage developer Hecate Grid has announced it has rebranded as Fullmark Energy. The rebranding coincides with the completion of several key milestones, including the company’s expanding portfolio of energy storage projects in California, collectively known as the Redwood Projects.

This strategic rebrand reflects the company’s evolution from an organization focused primarily on project development to a fully integrated energy storage company that develops, finances, builds, owns and operates standalone BESS projects across the United States.

“The transition to Fullmark Energy represents a significant milestone in our company’s journey,” said Chris McKissack, CEO of Fullmark Energy. “While our name is changing, our commitment remains the same: unlocking energy storage’s potential to enhance grid reliability and benefit the communities we serve. This rebrand is not simply a name change — it’s a reflection of our growth and the increasing MARK we plan to make in Americas’ burgeoning energy markets.”

Founded in 2018 and backed by InfraRed Capital Partners, Fullmark Energy has established itself in the rapidly evolving energy storage sector.

Looking ahead, Fullmark Energy will continue to expand its operations, with planned growth in Texas and other strategic markets. The company remains committed to its partnerships with cooperatives and public power companies, offering customized energy storage solutions that address their unique needs.

News item from Fullmark Energy

About The Author

Kelsey Misbrener

Kelsey Misbrener is currently managing editor of Solar Power World and has been reporting on policy, technology and other areas of the U.S. solar market since 2017.

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