| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 150 | (67.26%) | -1 | (-0.45%) |
| Albacete | 727 | 271 | (37.28%) | -4 | (-0.55%) |
| Alicante | 315 | 105 | (33.33%) | 0 | (0.00%) |
| Almeria | 224 | 23 | (10.27%) | -1 | (-0.45%) |
| Asturias | 484 | 318 | (65.70%) | -2 | (-0.41%) |
| Avila | 290 | 175 | (60.34%) | 9 | (3.10%) |
| Badajoz | 7592 | 2294 | (30.22%) | 1 | (0.01%) |
| Barcelona | 274 | 213 | (77.74%) | 3 | (1.09%) |
| Burgos | 139 | 90 | (64.75%) | 0 | (0.00%) |
| Caceres | 6627 | 3718 | (56.10%) | -38 | (-0.57%) |
| Cadiz | 1821 | 630 | (34.60%) | -3 | (-0.16%) |
| Cantabria | 575 | 304 | (52.87%) | 0 | (0.00%) |
| Castellon | 221 | 107 | (48.42%) | 2 | (0.90%) |
| Ciudad Real | 510 | 156 | (30.59%) | 0 | (0.00%) |
| Cordoba | 3411 | 851 | (24.95%) | 2 | (0.06%) |
| Cuenca | 1134 | 476 | (41.98%) | -1 | (-0.09%) |
| Girona | 294 | 261 | (88.78%) | -5 | (-1.70%) |
| Granada | 1181 | 447 | (37.85%) | 0 | (0.00%) |
| Guadalajara | 2975 | 857 | (28.81%) | 4 | (0.13%) |
| Guipuzcoa | 29 | 22 | (75.86%) | 0 | (0.00%) |
| Huelva | 1508 | 705 | (46.75%) | -2 | (-0.13%) |
| Huesca | 2596 | 1797 | (69.22%) | 16 | (0.62%) |
| Jaen | 2327 | 620 | (26.64%) | -1 | (-0.04%) |
| La Coruña | 359 | 214 | (59.61%) | -11 | (-3.06%) |
| La Rioja | 190 | 74 | (38.83%) | 1 | (0.52%) |
| Leon | 1772 | 811 | (45.77%) | 7 | (0.40%) |
| Lleida | 1145 | 915 | (79.91%) | 8 | (0.70%) |
| Lugo | 895 | 469 | (52.40%) | 7 | (0.78%) |
| Madrid | 1060 | 707 | (66.70%) | 2 | (0.19%) |
| Malaga | 616 | 307 | (49.84%) | -4 | (-0.65%) |
| Murcia | 148 | 43 | (29.05%) | 1 | (0.68%) |
| Navarra | 1019 | 505 | (49.56%) | 0 | (0.00%) |
| Orense | 1603 | 937 | (58.45%) | -19 | (-1.19%) |
| Palencia | 488 | 268 | (54.92%) | 4 | (0.82%) |
| Pontevedra | 363 | 250 | (68.87%) | -2 | (-0.55%) |
| Salamanca | 3482 | 2510 | (72.09%) | -15 | (-0.43%) |
| Segovia | 81 | 50 | (61.43%) | 1 | (1.23%) |
| Sevilla | 942 | 473 | (50.21%) | -3 | (-0.32%) |
| Soria | 267 | 169 | (63.30%) | 0 | (0.00%) |
| Tarragona | 237 | 218 | (91.98%) | -5 | (-2.11%) |
| Teruel | 206 | 125 | (60.68%) | 1 | (0.49%) |
| Toledo | 451 | 187 | (41.46%) | -5 | (-1.11%) |
| Valencia | 1420 | 742 | (52.25%) | 9 | (0.63%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 718 | (40.63%) | -18 | (-1.02%) |
| Zaragoza | 1905 | 1117 | (58.64%) | -37 | (-1.94%) |
