. "Spandaryan Reservoir" . "1961" . . . . "Vorotan Cascade" . . . . "Irrigation" . "Vorotan HPP Cascade" . . . . . "O" . "Vorotan Hydropower Plant" . "Vorotan Cascade" . "Hydroelectricity" . . "Angeghakot Reservoir" . . "Spandaryan Hydro Power Plant" . "1961" . . "Gravity" .