青山

Qingshan Power Plant is located in Ren'ai Township, Nantou County, part of the upper Zhuoshui River hydroelectric system, forming a stepped cascade together with the Wanda and Songlin plants.

Qingshan Power Plant is an underground powerhouse fitted with four vertical-shaft Francis turbine-generator units. Units 1 and 2 were completed and the plant formally established in 1970, with units 3 and 4 added from 1971. It is often cited as Taiwan's largest conventional hydroelectric plant by installed capacity, part of the Dajia River hydro system alongside Deji and Guguan.

青山 (Hydro) currently reports a net generation of 0 MW across 4 unit(s), against an installed capacity of 368 MW (0% utilization).

Hydro plants can start or stop within seconds to minutes, making them one of the grid's fastest tools for frequency regulation and peak-shaving. The pumped-storage plants around Sun Moon Lake (Mingtan, Daguan) pump water uphill using off-peak electricity and release it to generate during peak demand, effectively acting as large-scale energy storage. Output is highly dependent on rainfall and reservoir levels.

Hydropower was Taiwan's earliest form of electricity generation, with several plants dating back to the Japanese colonial era. Because most viable river sites have already been developed, hydro capacity has grown little in recent decades and its share has been diluted by the rapid expansion of gas and solar. Its low-carbon, fast-dispatch characteristics nonetheless keep it strategically important for grid stability as variable renewables expand.