Voith will supply four 300 MW Francis reversible pump turbines and generators and also auxiliary equipment. The rated head is 510 m, and the rated speed is 500 rpm. The plant is intended provide energy storage during valley demand periods, frequency and phase regulation, backup during incidents and black start for the Henan Province grid.

The first new unit is scheduled to enter operation by the end of September 2021 and the last in June 2022.