| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 164 | (73.54%) | -3 | (-1.35%) |
| Albacete | 727 | 358 | (49.24%) | -3 | (-0.41%) |
| Alicante | 315 | 136 | (43.17%) | -2 | (-0.63%) |
| Almeria | 224 | 34 | (15.18%) | 0 | (0.00%) |
| Asturias | 484 | 386 | (79.75%) | -3 | (-0.62%) |
| Avila | 290 | 163 | (56.21%) | -8 | (-2.76%) |
| Badajoz | 7592 | 2588 | (34.09%) | -60 | (-0.79%) |
| Barcelona | 274 | 244 | (89.05%) | 1 | (0.36%) |
| Burgos | 139 | 108 | (77.70%) | -1 | (-0.72%) |
| Caceres | 6627 | 4246 | (64.07%) | -232 | (-3.50%) |
| Cadiz | 1821 | 768 | (42.17%) | -18 | (-0.99%) |
| Cantabria | 575 | 413 | (71.83%) | -26 | (-4.52%) |
| Castellon | 221 | 124 | (56.11%) | -3 | (-1.36%) |
| Ciudad Real | 510 | 180 | (35.29%) | -1 | (-0.20%) |
| Cordoba | 3411 | 1069 | (31.34%) | -34 | (-1.00%) |
| Cuenca | 1134 | 531 | (46.83%) | 0 | (0.00%) |
| Girona | 294 | 269 | (91.50%) | -3 | (-1.02%) |
| Granada | 1181 | 570 | (48.26%) | -14 | (-1.19%) |
| Guadalajara | 2975 | 964 | (32.40%) | -31 | (-1.04%) |
| Guipuzcoa | 29 | 23 | (79.31%) | -1 | (-3.45%) |
| Huelva | 1508 | 721 | (47.81%) | -9 | (-0.60%) |
| Huesca | 2401 | 1954 | (81.38%) | -85 | (-3.54%) |
| Jaen | 2327 | 878 | (37.73%) | -42 | (-1.80%) |
| La Coruña | 359 | 221 | (61.56%) | -13 | (-3.62%) |
| La Rioja | 136 | 95 | (69.85%) | -6 | (-4.41%) |
| Leon | 1772 | 1101 | (62.13%) | -85 | (-4.80%) |
| Lleida | 1145 | 940 | (82.10%) | -35 | (-3.06%) |
| Lugo | 895 | 642 | (71.73%) | -13 | (-1.45%) |
| Madrid | 1060 | 760 | (71.70%) | -17 | (-1.60%) |
| Malaga | 616 | 379 | (61.53%) | -6 | (-0.97%) |
| Murcia | 148 | 60 | (40.54%) | -3 | (-2.03%) |
| Navarra | 1014 | 660 | (65.09%) | -39 | (-3.85%) |
| Orense | 1603 | 1227 | (76.54%) | -23 | (-1.43%) |
| Palencia | 488 | 332 | (68.03%) | -20 | (-4.10%) |
| Pontevedra | 363 | 275 | (75.76%) | -11 | (-3.03%) |
| Salamanca | 3482 | 2834 | (81.39%) | -86 | (-2.47%) |
| Segovia | 81 | 63 | (77.40%) | -1 | (-1.23%) |
| Sevilla | 942 | 537 | (57.01%) | -9 | (-0.96%) |
| Soria | 267 | 213 | (79.78%) | -5 | (-1.87%) |
| Tarragona | 237 | 223 | (94.09%) | -3 | (-1.27%) |
| Teruel | 183 | 128 | (69.95%) | -1 | (-0.55%) |
| Toledo | 451 | 206 | (45.68%) | -11 | (-2.44%) |
| Valencia | 1420 | 849 | (59.79%) | -19 | (-1.34%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 1301 | (73.63%) | -25 | (-1.41%) |
| Zaragoza | 1905 | 1648 | (86.51%) | -30 | (-1.57%) |
