China has commissioned the first 300 MW/1200 MWh phase of what will become the country’s largest electrochemical energy storage station, a milestone that strengthens grid reliability as renewable penetration accelerates.
The project is powered by SINEXCEL’s 1725 kW utility-scale power conversion system (PCS), positioning advanced PCS controls at the core of large-format storage deployments.
The newly commissioned phase is part of a two-site complex totaling 600 MW/2400 MWh of storage capacity. The scale is notable not just for its size, but for its design intent: the completed system will integrate wind, solar, thermal generation, long-duration storage, and transmission into a unified operating framework.
Across the site, 240 battery containers and 60 prefabricated cabins form the backbone of the installation. Once fully operational, the coordinated system is expected to support China’s broader effort to shift from peaking thermal plants toward fast-responding, distributed flexibility resources—an approach already reshaping grid investment strategies in provinces prioritizing renewable-heavy growth.
For this first phase, SINEXCEL supplied all 60 prefabricated cabins, including 180 units of its 1725 kW PCS. The system’s features point to why PCS selection has become a decisive factor in large energy-storage engineering:
These technical characteristics align with what independent analysts describe as a shift toward PCS-centric storage design.
China added more than 22 GW of new electrochemical storage in 2024, according to the China Energy Storage Alliance, and multi-hundred-megawatt stations are becoming central to provincial grid-stability plans. Projects of this scale support peak shaving, curtailment reduction, and black-start capabilities, enabling grids to accommodate the rapid build-out of solar and wind resources.
The commissioning of this phase also reflects broader international trends. Global markets—including the U.S. and the EU—are deploying larger, longer-duration systems as transmission bottlenecks and variable-generation peaks increase.
SINEXCEL reports a footprint spanning more than 40 countries with over 5,000 storage deployments totaling 12 GW of installed capacity across utility-scale, commercial-industrial, and microgrid applications. The company also supplies EV charging and power-quality technologies and has partnered with firms such as Schneider Electric and EVE Energy to support integrated power-conversion solutions.
As storage projects trend larger and more operationally complex, suppliers capable of delivering high-efficiency PCS systems with rapid grid-support functionality are becoming increasingly central to project economics and long-term asset value.
