| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 177 | (79.37%) | -1 | (-0.45%) |
| Albacete | 727 | 257 | (35.35%) | -6 | (-0.83%) |
| Alicante | 315 | 112 | (35.56%) | 1 | (0.32%) |
| Almeria | 224 | 29 | (12.95%) | -1 | (-0.45%) |
| Asturias | 484 | 433 | (89.46%) | 4 | (0.83%) |
| Avila | 290 | 142 | (48.97%) | -5 | (-1.72%) |
| Badajoz | 7592 | 3854 | (50.76%) | -30 | (-0.40%) |
| Barcelona | 274 | 225 | (82.12%) | 9 | (3.28%) |
| Burgos | 139 | 126 | (90.65%) | 2 | (1.44%) |
| Caceres | 6627 | 4115 | (62.09%) | 5 | (0.08%) |
| Cadiz | 1821 | 1170 | (64.25%) | -11 | (-0.60%) |
| Cantabria | 575 | 541 | (94.09%) | 1 | (0.17%) |
| Castellon | 221 | 153 | (69.23%) | 2 | (0.90%) |
| Ciudad Real | 510 | 269 | (52.75%) | -2 | (-0.39%) |
| Cordoba | 3411 | 1696 | (49.72%) | -27 | (-0.79%) |
| Cuenca | 1134 | 475 | (41.89%) | -2 | (-0.18%) |
| Girona | 294 | 254 | (86.39%) | 2 | (0.68%) |
| Granada | 1186 | 715 | (60.29%) | 5 | (0.42%) |
| Guadalajara | 2931 | 969 | (33.06%) | 6 | (0.20%) |
| Guipuzcoa | 29 | 26 | (89.66%) | 0 | (0.00%) |
| Huelva | 1508 | 1040 | (68.97%) | -2 | (-0.13%) |
| Huesca | 2401 | 1933 | (80.51%) | 12 | (0.50%) |
| Jaen | 2327 | 1220 | (52.43%) | -4 | (-0.17%) |
| La Coruña | 359 | 302 | (84.12%) | 16 | (4.46%) |
| La Rioja | 136 | 120 | (88.24%) | 1 | (0.74%) |
| Leon | 1772 | 1619 | (91.37%) | 7 | (0.40%) |
| Lleida | 1145 | 811 | (70.83%) | 24 | (2.10%) |
| Lugo | 895 | 746 | (83.35%) | 22 | (2.46%) |
| Madrid | 1060 | 777 | (73.30%) | -2 | (-0.19%) |
| Malaga | 616 | 464 | (75.32%) | -4 | (-0.65%) |
| Murcia | 148 | 37 | (25.00%) | -1 | (-0.68%) |
| Navarra | 1014 | 750 | (73.96%) | -1 | (-0.10%) |
| Orense | 1603 | 1124 | (70.12%) | -6 | (-0.37%) |
| Palencia | 488 | 360 | (73.77%) | -9 | (-1.84%) |
| Pontevedra | 363 | 343 | (94.49%) | 5 | (1.38%) |
| Salamanca | 3482 | 1785 | (51.26%) | -11 | (-0.32%) |
| Segovia | 81 | 68 | (83.54%) | 0 | (0.00%) |
| Sevilla | 942 | 644 | (68.37%) | -6 | (-0.64%) |
| Soria | 267 | 238 | (89.14%) | 1 | (0.37%) |
| Tarragona | 237 | 217 | (91.56%) | 2 | (0.84%) |
| Teruel | 183 | 131 | (71.58%) | -1 | (-0.55%) |
| Toledo | 451 | 269 | (59.65%) | -2 | (-0.44%) |
| Valencia | 1911 | 726 | (37.99%) | 9 | (0.47%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 1198 | (67.80%) | 35 | (1.98%) |
| Zaragoza | 1905 | 1379 | (72.39%) | -25 | (-1.31%) |
|