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Syntropic Power, formerly Emtel Energy USA, has rebranded and launched three energy storage systems aimed at the U.S. market. The products include GridSurge for short-duration storage, GridSpan for long-duration storage, and Tenet for residential use.

The company focuses on safety and reliability, utilizing sodium-ion technology to reduce thermal risks common with lithium-ion systems. Syntropic is building capacity for 2 GWh of projects in 2026 and is conducting independent safety testing at Rochester Institute of Technology's Battery Development Center.