Promethean Power Systems

Renewable Energy Semiconductor ManufacturingMassachusetts, United States11-50 Employees

Promethean Power Systems designs and manufactures modular energy storage systems for refrigeration, supporting cold-chain logistics in regions with unreliable power. Its product lineup includes bulk milk coolers, rapid milk chillers, cold storage solutions, and refrigerated trucks designed for decentralized cold chains in India, Bangladesh, and Sri Lanka, with plans to extend to Africa and Southeast Asia. The company is based in Somerville, Massachusetts, and operates as a small to mid-sized business. By converting electrical energy into thermal energy and storing it for refrigeration, Promethean aims to reduce or eliminate the need for backup diesel generators in rural settings. It positions itself within the renewable energy and semiconductor manufacturing space, delivering energy-efficient refrigeration solutions for dairy and related industries in developing markets.

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