Promethean Energy develops thermal energy storage systems that capture and reuse industrial waste heat.
Founded in 2014 and based in Mumbai, India, Promethean Energy develops thermal energy storage systems for capturing and reusing industrial waste heat. Its solutions are intended to help manufacturers reduce energy use and improve efficiency. In May 2025, the company raised USD 2 million in pre-Series A funding led by Transition Venture Capital, with participation from Sangam Ventures, Sagana, and Fondation Botnar. The funding will support product development and expansion into Asia and Africa.
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