Altira Congratulates FlexGen on Powin Assets Acquisition and Growth in Global Energy Storage Leadership

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DENVER, Aug. 21, 2025 ~ Altira Group LLC, a prominent venture capital firm specializing in investing in innovative energy and technology solutions, has extended its congratulations to its portfolio company FlexGen Power Systems, LLC on its recent acquisition of key assets and intellectual property from Powin. This acquisition solidifies FlexGen's position as a global leader in grid-scale energy storage and expands the reach of its HybridOS® software and lifecycle services.

FlexGen has quickly risen from a promising startup to become one of the top providers of energy storage systems worldwide. According to Dirk McDermott, Founder and Managing Partner of Altira and a member of FlexGen's Board of Directors, this acquisition marks a significant step forward in the company's growth and its ability to address the pressing challenges facing today's energy systems. These challenges include grid reliability, power stability, and the increasing demand driven by artificial intelligence (AI) and renewable energy sources.

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With the addition of Powin's assets, FlexGen now supports over 25 GWh of deployed energy storage capacity across 200 projects in 10 countries. This milestone is a testament to FlexGen's expanding scale and impact in modernizing electricity grids to meet global demand.

FlexGen's rapid growth highlights its role as a clear leader in its category. The company's ability to integrate technology across different geographies and hardware types is redefining what can be achieved with grid-scale storage. This success not only benefits customers but also strengthens grid reliability and supports the growing power needs, including the surge from AI.

Altira takes pride in having led FlexGen's first outside capital raise, continued to participate in subsequent funding rounds, and now congratulates the company's leadership team on this significant achievement. With Altira's support, FlexGen is well-positioned for continued success as it continues to drive innovation in the energy sector.
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