Introduction to the Ming Tombs Storage Power Plant: is the largest pumped storage power plant in northern China. It provides reliable frequency regulation, peak regulation, valley filling and emergency backup power for the capital Beijing. It is known as "Lighting Up" The last match in Beijing." The project began preparations in 1989. The first unit was put into operation in December 1995. The last unit was connected to the grid for power generation in June 1997. It took eight years to realize "unattended" automated management, which was the first in North China Power Grid to achieve this. "Four remotes" refers to power plants with remote regulation, remote control, remote signaling and telemetry.