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Chinese battery storage firm Poweroad proves BESS viability in -40°C climates

Poweroad’s 18.43 MWh battery system operates at -40°C in China’s Karamay Oilfield, replacing 50% of diesel generation with over 8,760 hours of operation. The mobile system uses patented thermal management with zero capacity loss below -30°C, proving battery storage viability in Arctic conditions.

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Sep 5, 2025

Taken from PV-Magazine written by Marija Maisch on September 5, 2025

China-based battery storage specialist Poweroad is rapidly expanding its global footprint, deploying advanced battery energy storage systems (BESS) even in some of the world’s most extreme climates, where temperatures can plunge to -40°C.

Cold climates no longer hinder modern battery storage, thanks to technological advances that allow systems to operate reliably even in the harshest conditions. China’s Poweroad has demonstrated this capability through a series of deployments in regions with extreme winter conditions.

The company’s innovation is driven by five dedicated R&D centers in China, where it develops proprietary battery management systems (BMS), energy management systems (EMS), and cloud platforms.

Having completed over 500 C&I projects across Europe – including deployments in Belgium, Sweden, Finland, and Italy, Poweroad has cultivated significant market expertise.