Latest Polarium News & Updates
See the latest news and media coverage for Polarium. We track all announcements, press releases, and industry mentions in real time, all in one place.
Smart and sustainable energy storage solutions
polarium.com- Headquarters
- Stockholm, Sweden
- Founded year
- 2015
- Company type
- Private company
- Number of employees
- 250–500
Latest news about Polarium
Company announcements
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Polarium enables HomeBattery revenue streams with Flower
They optimize distributed energy resources via cloud, supporting grid stability and renewables without extra hardware.
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Polarium signs multi-asset tolling with RWE
RWE optimizes 50 MW/135 MWh from over 1,600 aggregated batteries starting late 2026 to support renewable integration. Portfolio expected to grow significantly.
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Polarium contributes battery storage to Näst Energy Lab V2G installation
Polarium provides large-scale BESS for optimizing energy use in Europe's largest vehicle-to-grid system, partnering with Volvo Cars, Buddy Energy, and others in Torslanda, Sweden.
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Polarium signs partnership with VAROPreem
Polarium provides energy storage solutions for fast charging at VAROPreem stations in Sweden. The systems enable high-power charging despite grid limits.
Media coverage
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RWE and Polarium sign multi-asset tolling to unlock virtual battery from thousands of sites to support renewable integration - Battery Tech Expo
RWE and Polarium, a developer of distributed battery energy storage systems and flexibility solutions, are joining forces to market battery flexibility in the German power...
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The management carousel continues in Harald Mix Polarium
The management turbulence continues in Harald Mix's loss-laden battery company Polarium. Now the company is changing CFO again, with Jens Bruno becoming the third man...
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Clas Gunneberg appointed as new CEO for Polarium
Harald Mix's battery company Polarium has appointed Clas Gunneberg as new CEO, as stated in a press release. He assumes his position immediately.
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Harald Mix's battery company expands: "All households will have a battery pack in the basement"
With owners like Harald Mix, AMF, Vargas and Alecta, the battery company Polarium is now expanding its customer base. Previous focus on the telecom industry is now being complemented...
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