Big Pawer Expands Second 100MW Vanadium Flow Battery Production Line



Source: VRFB-Battery WeChat, 25 February 2025

Big Pawer Energy Storage Technology Hubei Co., Ltd., a pioneering company in China’s vanadium flow battery (VFB) energy storage industry, is making significant strides in expanding its production capacity. The company has begun the replication of its second 100MW VFB production line to accelerate the completion of the Zaoyang Power Station project and meet the growing demand for advanced energy storage solutions. This expansion aligns with Big Pawer’s goal of achieving RMB 1 billion in new energy storage sales.

As one of the earliest enterprises in China to research and develop vanadium flow battery technology, Big Pawer has established itself as a leader in the industry. The company operates the country’s most advanced 100MW stack automation production line, possesses the capability to implement large-scale energy storage projects, and can mass-produce electrolyte solutions essential for vanadium flow batteries.

Since the beginning of 2025, Big Pawer’s energy storage systems and soft-start devices have gained significant market traction, with nearly RMB 20 million worth of products already shipped. Over the past 17 years of research and development, the company has secured 82 patents in the VFB energy storage sector and has successfully deployed its storage systems in over ten domestic and international projects. These achievements have solidified Big Pawer’s position as a global leader in vanadium-based energy storage solutions.

Big Pawer’s innovation and leadership have attracted increasing industry attention. Since 2024, the company has welcomed a steady stream of potential partners, with current intended orders totaling nearly RMB 1 billion, highlighting its promising growth prospects.

In addition to its advancements in energy storage, Big Pawer remains a leading enterprise in soft-start technology. The company continues to see stable growth in this sector while also exploring new opportunities in pumped storage and other emerging energy storage markets.

In 2024, Big Pawer reached a new milestone in its VFB business, securing RMB 2.4 billion in total orders and generating nearly RMB 1 billion in revenue. The company's commitment to innovation and sustainable energy solutions positions it at the forefront of the energy transition, driving the adoption of cutting-edge energy storage technologies worldwide.