| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 183 | (82.06%) | 4 | (1.79%) |
| Albacete | 727 | 308 | (42.37%) | 8 | (1.10%) |
| Alicante | 315 | 124 | (39.37%) | -1 | (-0.32%) |
| Almeria | 224 | 35 | (15.63%) | 1 | (0.45%) |
| Asturias | 484 | 387 | (79.96%) | -9 | (-1.86%) |
| Avila | 290 | 143 | (49.31%) | 7 | (2.41%) |
| Badajoz | 7592 | 3068 | (40.41%) | 2 | (0.03%) |
| Barcelona | 274 | 252 | (91.97%) | -1 | (-0.36%) |
| Burgos | 139 | 119 | (85.61%) | 1 | (0.72%) |
| Caceres | 6627 | 4339 | (65.47%) | 106 | (1.60%) |
| Cadiz | 1821 | 921 | (50.58%) | 2 | (0.11%) |
| Cantabria | 575 | 459 | (79.83%) | 5 | (0.87%) |
| Castellon | 221 | 129 | (58.37%) | 3 | (1.36%) |
| Ciudad Real | 510 | 198 | (38.82%) | 2 | (0.39%) |
| Cordoba | 3411 | 1355 | (39.72%) | 2 | (0.06%) |
| Cuenca | 1134 | 470 | (41.45%) | 18 | (1.59%) |
| Girona | 294 | 270 | (91.84%) | 2 | (0.68%) |
| Granada | 1181 | 638 | (54.02%) | 1 | (0.08%) |
| Guadalajara | 2975 | 983 | (33.04%) | 59 | (1.98%) |
| Guipuzcoa | 29 | 27 | (93.10%) | -1 | (-3.45%) |
| Huelva | 1508 | 833 | (55.24%) | 0 | (0.00%) |
| Huesca | 2401 | 1976 | (82.30%) | 71 | (2.96%) |
| Jaen | 2327 | 1120 | (48.13%) | 2 | (0.09%) |
| La Coruña | 359 | 292 | (81.34%) | -2 | (-0.56%) |
| La Rioja | 136 | 115 | (84.56%) | 6 | (4.41%) |
| Leon | 1772 | 1537 | (86.74%) | 7 | (0.40%) |
| Lleida | 1145 | 971 | (84.80%) | 31 | (2.71%) |
| Lugo | 895 | 741 | (82.79%) | -23 | (-2.57%) |
| Madrid | 1060 | 720 | (67.92%) | 7 | (0.66%) |
| Malaga | 616 | 388 | (62.99%) | 0 | (0.00%) |
| Murcia | 148 | 70 | (47.30%) | 1 | (0.68%) |
| Navarra | 1014 | 888 | (87.57%) | 33 | (3.25%) |
| Orense | 1603 | 1329 | (82.91%) | -19 | (-1.19%) |
| Palencia | 488 | 414 | (84.84%) | 12 | (2.46%) |
| Pontevedra | 363 | 311 | (85.67%) | -3 | (-0.83%) |
| Salamanca | 3482 | 2468 | (70.88%) | 98 | (2.81%) |
| Segovia | 81 | 69 | (84.77%) | -1 | (-1.23%) |
| Sevilla | 942 | 622 | (66.03%) | 4 | (0.42%) |
| Soria | 267 | 224 | (83.90%) | 4 | (1.50%) |
| Tarragona | 237 | 222 | (93.67%) | 18 | (7.59%) |
| Teruel | 183 | 131 | (71.58%) | 10 | (5.46%) |
| Toledo | 451 | 235 | (52.11%) | -11 | (-2.44%) |
| Valencia | 1420 | 781 | (55.00%) | 45 | (3.17%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 1274 | (72.10%) | 0 | (0.00%) |
| Zaragoza | 1905 | 1696 | (89.03%) | 106 | (5.56%) |
