Main reservoirs of Castilla y León
Province Holder Capacity (hm³) Uses River
Aguilar de Campoo Palencia State 247 Hydroelectric, Irrigation Pisuerga
Aldeadávila Salamanca Iberdrola Generación S.A 114 Hydroelectric Duero
Almendra Salamanca Iberdrola Generación S.A 2,649 Hydroelectric Tormes
Bárcena León State 341 Hydroelectric, Irrigation Sil
Barrios de Luna León State 308 Provision, hydroelectric, irrigation Órbigo-Luna
Cernadilla Zamora Iberdrola Generación S.A 255 Hydroelectric Tera
Cuerda del Pozo Soria State 229 Provision, hydroelectric, irrigation Duero
El Burguillo Ávila State 198 Provision, hydroelectric, irrigation Alberche
Irueña Salamanca State 123 Irrigation Águeda
Juan Benet León State 317 Provision, hydroelectric, irrigation Porma
Riaño León State 651 Hydroelectric, Irrigation Esla
Ricobayo Zamora Iberdrola Generación S.A 1,2 Hydroelectric Esla
Santa Teresa Salamanca State 496 Provision, hydroelectric, irrigation Tormes
Saucelle Salamanca Iberdrola Generación S.A 182 Hydroelectric Duero
Valparaiso Zamora Iberdrola Generación S.A 164 Hydroelectric Tera

Source: Environment Ministry and Duero and North Hydrographic Confederations