21. Pumped storage is not an energy source, and appears as a negative number in listings.22. About 92 . 5 % of the CBK project consists of pumped storage power generation. 23. Pumped storage is probably much more efficient than batteries.24. The water of the Hongrin reservoir is used for the Veytaux Pumped Storage Power Station. 25. The pumped storage hydro power plant produces 444 million kWh of electricity on average per year. 26. The pumped storage power station consists of two circular concrete silos, each of about internal diameter. 27. Along with energy management, pumped storage systems help control electrical network frequency and provide reserve generation. 28. Paton was also involved with the tunnelling and underground powerhouse for the Drakensberg Pumped Storage Scheme. 29. Taiwan's largest hydro power plant is the Mingtan Pumped Storage Hydro Power Plant opened in 1995. 30. The station operates six 25MW Pumped Storage Unit.
