| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 177 | (79.37%) | -1 | (-0.45%) |
| Albacete | 727 | 219 | (30.12%) | 3 | (0.41%) |
| Alicante | 315 | 96 | (30.48%) | 1 | (0.32%) |
| Almeria | 224 | 29 | (12.95%) | 0 | (0.00%) |
| Asturias | 484 | 383 | (79.13%) | 8 | (1.65%) |
| Avila | 290 | 158 | (54.48%) | -5 | (-1.72%) |
| Badajoz | 7592 | 3968 | (52.27%) | -4 | (-0.05%) |
| Barcelona | 274 | 228 | (83.21%) | -6 | (-2.19%) |
| Burgos | 139 | 116 | (83.45%) | -1 | (-0.72%) |
| Caceres | 6627 | 3906 | (58.94%) | 6 | (0.09%) |
| Cadiz | 1821 | 1204 | (66.12%) | -6 | (-0.33%) |
| Cantabria | 575 | 520 | (90.43%) | -1 | (-0.17%) |
| Castellon | 221 | 134 | (60.63%) | -2 | (-0.90%) |
| Ciudad Real | 510 | 273 | (53.53%) | -1 | (-0.20%) |
| Cordoba | 3411 | 1753 | (51.39%) | -7 | (-0.21%) |
| Cuenca | 1134 | 454 | (40.04%) | 2 | (0.18%) |
| Girona | 294 | 251 | (85.37%) | 2 | (0.68%) |
| Granada | 1186 | 682 | (57.50%) | -2 | (-0.17%) |
| Guadalajara | 2931 | 895 | (30.54%) | -17 | (-0.58%) |
| Guipuzcoa | 29 | 26 | (89.66%) | 0 | (0.00%) |
| Huelva | 1508 | 1082 | (71.75%) | -2 | (-0.13%) |
| Huesca | 2401 | 1887 | (78.59%) | -14 | (-0.58%) |
| Jaen | 2327 | 1174 | (50.45%) | -5 | (-0.21%) |
| La Coruña | 359 | 248 | (69.08%) | -6 | (-1.67%) |
| La Rioja | 136 | 106 | (77.94%) | 3 | (2.21%) |
| Leon | 1772 | 1415 | (79.85%) | 17 | (0.96%) |
| Lleida | 1145 | 767 | (66.99%) | -7 | (-0.61%) |
| Lugo | 895 | 693 | (77.43%) | -27 | (-3.02%) |
| Madrid | 1060 | 771 | (72.74%) | 4 | (0.38%) |
| Malaga | 616 | 482 | (78.25%) | 0 | (0.00%) |
| Murcia | 148 | 31 | (20.95%) | -1 | (-0.68%) |
| Navarra | 1014 | 707 | (69.72%) | -4 | (-0.39%) |
| Orense | 1603 | 1041 | (64.94%) | -21 | (-1.31%) |
| Palencia | 488 | 355 | (72.75%) | 8 | (1.64%) |
| Pontevedra | 363 | 296 | (81.54%) | -2 | (-0.55%) |
| Salamanca | 3482 | 1743 | (50.06%) | 16 | (0.46%) |
| Segovia | 81 | 64 | (78.62%) | 1 | (1.23%) |
| Sevilla | 942 | 675 | (71.66%) | -3 | (-0.32%) |
| Soria | 267 | 210 | (78.65%) | 1 | (0.37%) |
| Tarragona | 237 | 213 | (89.87%) | -4 | (-1.69%) |
| Teruel | 183 | 125 | (68.31%) | 1 | (0.55%) |
| Toledo | 451 | 253 | (56.10%) | 16 | (3.55%) |
| Valencia | 1911 | 625 | (32.71%) | 0 | (0.00%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 1102 | (62.37%) | 16 | (0.91%) |
| Zaragoza | 1905 | 1302 | (68.35%) | -47 | (-2.47%) |
