Kukuan Dam is a concrete thin arch dam on the Dajia River in Heping District, Taichung, Taiwan. The dam serves for hydroelectric power generation and flood control, and is the third in a cascade of hydroelectric dams on the Dajia River, being located below the Techi and Qingshan dams and upstream from the Tienlun Dam. The dam supplies water to a power station consisting of four 45 megawatt (MW) turbines for a total capacity of 180 MW, generating 507 million kilowatt hours per year.