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Syntropic Power, previously Emtel Energy USA, has announced its rebranding and the launch of three sodium-ion energy storage product lines: GridSurge, GridSpan, and Tenet. The systems target short- and long-duration storage needs in the U.S. market, emphasizing safety and bankability.

Syntropic is developing up to 2 GWh of projects for 2026 and has completed UL 9540A fire safety testing. An independent testing program at Rochester Institute of Technology's Battery Development Center will validate performance and safety data. Commercial deployment is expected to follow proof of concept pilots in mid-2026.