more detail of 3GWh project from Chinese media coverage "Project Details
The all-vanadium liquid flow industrial base of Puneng Company is located in Lubao Industrial Park, Changzhi City. The overall planned annual production capacity is 3GWh, which is divided into two phases: the first phase has an annual production of 420MW of battery stacks and a system integration of 1.2GWh; the second phase has an annual production of 600MW of battery stacks and a system integration of 1.8GWh. "
https://www.sohu.com/a/841867205_122066678