An illustration of BYD’s energy storage system. Credit: BYD
- BYD will supply Poland’s 2.4 GWh Siedlce energy storage project.
- The deal underscores Chinese battery makers’ continued push into overseas markets.
BYD’s (HKEX: 1211) energy storage division has signed a cooperation agreement with Greenvolt Power to jointly develop a large-scale energy storage project in Poland.
The two companies will work together to develop the Siedlce energy storage project, with a total capacity of 600 MW/2.4 GWh, according to a BYD statement on Wednesday.
Once completed, it will become the largest battery energy storage project in Poland, marking another deployment of BYD’s energy storage technology in the European market.
The partnership marks the second collaboration between the BYD Energy Storage and Greenvolt Power in Poland. Previously, their two local projects reached a combined capacity of 1.6 GWh.
The Siedlce project is scheduled to begin construction in the third quarter of 2026 and is expected to enter commercial operation by the end of 2027.
BYD Energy Storage will supply the BYD Haohan energy storage system for the project, which features the world’s largest 2,710 Ah Blade Battery dedicated to energy storage.
The system has a minimum unit capacity of 14.5 MWh, achieving an ultra-large capacity equivalent to 10 MWh in a 20-foot container, according to BYD.
The Haohan system will save land and construction costs for the Siedlce project through fewer enclosures and a smaller footprint.
Greenvolt Group CEO João Manso Neto said energy storage systems are the core support for building a more resilient and flexible energy system. He added that energy storage can also drive the continued growth of renewable energy.
Yin Xueqin, general manager of the energy storage and new battery division at BYD, said the Siedlce project marks a new milestone in the two companies’ cooperation.
Yin said participating in this benchmark project proves that BYD’s technological strength has gained broad recognition across the industry.
BYD’s energy storage business began in 2008 and has expanded steadily on the strength of its expertise in batteries and system integration.
The company has now deployed multiple large-scale energy storage projects across more than 110 countries and regions worldwide.
Last month, BYD and Greenvolt Power also collaborated to bring Hungary’s largest battery energy storage project into operation. The 99.8 MW/288.6 MWh project uses BYD’s MC Cube battery energy storage system.
BYD’s progress in Poland aligns with the broader trend of Chinese battery and energy storage manufacturers continuing to expand their overseas businesses.
In May, BYD Energy Storage signed a strategic cooperation agreement with Norway’s Corvus Energy AS. The two sides plan to jointly advance the research, development, and large-scale deployment of high-rate marine lithium iron phosphate (LFP) battery systems.
BYD’s rivals in China are also ramping up their efforts. Eve Energy (SZSE: 300014) announced last month that it had signed an 8 GWh energy storage order with India’s GNEPL.
BYD rolled out a residential energy ecosystem in Europe and launched its new Battery-Box Mega.
