Polarium Email Format
ManufacturingStockholm, Sweden201-500 Employees
Polarium is a mid-sized manufacturing and energy storage company headquartered in Stockholm, Sweden. Founded in 2015, it develops energy storage and optimization solutions that rely on lithium-ion battery technology for customers in telecom, commercial, and industrial facilities worldwide. The offerings support renewable energy deployment, electrification, and the management of intermittent power supply, helping businesses stabilize and optimize their energy use. It maintains production facilities in Mexico, South Africa, and Vietnam to serve a global customer base. In 2026, the company announced a partnership with RWE AG to develop a distributed portfolio intended to unlock a virtual battery from thousands of sites to support renewable integration.