Sineng Electric has powered up what is thought to be the world’s largest single-site grid-forming hybrid energy storage power plant – a 300 MW / 1200 MWh facility in Ordos City, Inner Mongolia – after completing rigorous three-charge/three-discharge validation testing.
The Ordos Gushanliang project was jointly developed by Hunan Corun New Energy Co. (CORUN) and members of a large-scale energy storage innovation consortium, including Zhejiang Xingchen New Energy Technology Co. (SNE). The site combines lithium iron phosphate (LFP) batteries for rapid response with vanadium flow battery (VFB) systems that provide long-duration energy stability, enabling flexible operation across grid-forming, grid-following and islanded modes, and forms part of the region’s 3 GW / 12.8 GWh storage rollout.
Sineng supplied its advanced 1.25 MW central power conversion system (PCS) units featuring next-generation grid-forming technology, delivering millisecond-level power support, virtual inertia, oscillation damping and black-start capability during grid disturbances.
The hybrid set-up is coordinated by AI-driven energy management software that optimises dispatch schedules, system efficiency and lifecycle economics under changing grid conditions.
According to reports, the facility will connect to the 500 kV Gushanliang Substation, supplying electricity to industrial and residential customers in Ordos and surrounding western Inner Mongolia while supporting integration with the broader northern China power grid.
