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Apr 30, 2026 8:02 AM

CMBlu Surpasses €1B+ Unicorn Threshold with €50M Initial Close of Series C, Defining Baseload Infrastructure for AI and Data Centers

ALZENAU, Germany, April 30, 2026 (GLOBE NEWSWIRE) -- CMBlu Energy has reached unicorn status, crossing the €1 billion valuation threshold following a €50 million initial close of its Series C financing with participation from Samsung Ventures. All existing investors, including STRABAG SE, also joined in the round, underscoring sustained confidence in CMBlu's strategy and long-term execution. This milestone reflects accelerating commercial validation as data centers and utilities seek dependable, always-on energy solutions at scale.

CMBlu is the sole inventor of SolidFlow, a new class of non-lithium long-duration energy storage engineered for high-energy, multi-hour applications. Designed to deliver ten hours or more of dispatchable energy, SolidFlow addresses one of the most urgent structural constraints limiting hyperscale growth,  how to secure dependable, multi-hour capacity as electricity demand outpaces grid expansion. 

"Our SolidFlow technology is redefining energy storage by combining inherent safety with a streamlined permitting pathway, enabling faster, more predictable deployment at scale," said Constantin Eis, CEO of CMBlu. "That speed to power paired with resilient, localized supply chains is critical as data centers and industrial customers advance their business needs and race to meet surging demand. Customers powering critical operations need energy they can count on through the night and under real-world conditions while maximizing efficiency. CMBlu's innovative battery tech makes this possible and the market is rewarding ...