| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 157 | (70.40%) | 0 | (0.00%) |
| Albacete | 727 | 147 | (20.22%) | 8 | (1.10%) |
| Alicante | 315 | 86 | (27.30%) | 4 | (1.27%) |
| Almeria | 224 | 23 | (10.27%) | 2 | (0.89%) |
| Asturias | 484 | 336 | (69.42%) | -3 | (-0.62%) |
| Avila | 290 | 153 | (52.76%) | 2 | (0.69%) |
| Badajoz | 7592 | 3895 | (51.30%) | 0 | (0.00%) |
| Barcelona | 274 | 241 | (87.96%) | -3 | (-1.09%) |
| Burgos | 139 | 87 | (62.59%) | 0 | (0.00%) |
| Caceres | 6627 | 3764 | (56.80%) | 54 | (0.81%) |
| Cadiz | 1821 | 1157 | (63.54%) | -25 | (-1.37%) |
| Cantabria | 575 | 443 | (77.04%) | 4 | (0.70%) |
| Castellon | 221 | 121 | (54.75%) | 4 | (1.81%) |
| Ciudad Real | 510 | 277 | (54.31%) | 0 | (0.00%) |
| Cordoba | 3411 | 1629 | (47.76%) | 8 | (0.23%) |
| Cuenca | 1134 | 400 | (35.27%) | -1 | (-0.09%) |
| Girona | 294 | 265 | (90.14%) | 2 | (0.68%) |
| Granada | 1186 | 635 | (53.54%) | 2 | (0.17%) |
| Guadalajara | 2931 | 834 | (28.45%) | 5 | (0.17%) |
| Guipuzcoa | 29 | 22 | (75.86%) | 0 | (0.00%) |
| Huelva | 1508 | 1102 | (73.08%) | 35 | (2.32%) |
| Huesca | 2401 | 1748 | (72.80%) | 41 | (1.71%) |
| Jaen | 2327 | 1097 | (47.14%) | 2 | (0.09%) |
| La Coruña | 359 | 242 | (67.41%) | -17 | (-4.74%) |
| La Rioja | 136 | 50 | (36.76%) | 0 | (0.00%) |
| Leon | 1772 | 888 | (50.11%) | 21 | (1.19%) |
| Lleida | 1145 | 951 | (83.06%) | -9 | (-0.79%) |
| Lugo | 895 | 399 | (44.58%) | 20 | (2.23%) |
| Madrid | 1060 | 756 | (71.32%) | 0 | (0.00%) |
| Malaga | 616 | 449 | (72.89%) | 4 | (0.65%) |
| Murcia | 148 | 30 | (20.27%) | 4 | (2.70%) |
| Navarra | 1014 | 399 | (39.35%) | 7 | (0.69%) |
| Orense | 1603 | 892 | (55.65%) | -11 | (-0.69%) |
| Palencia | 488 | 235 | (48.16%) | 16 | (3.28%) |
| Pontevedra | 363 | 228 | (62.81%) | 3 | (0.83%) |
| Salamanca | 3482 | 1761 | (50.57%) | 1 | (0.03%) |
| Segovia | 81 | 48 | (58.97%) | 1 | (1.23%) |
| Sevilla | 942 | 661 | (70.17%) | 15 | (1.59%) |
| Soria | 267 | 166 | (62.17%) | 1 | (0.37%) |
| Tarragona | 237 | 213 | (89.87%) | 5 | (2.11%) |
| Teruel | 183 | 99 | (54.10%) | -2 | (-1.09%) |
| Toledo | 451 | 204 | (45.23%) | 13 | (2.88%) |
| Valencia | 1911 | 500 | (26.16%) | 15 | (0.78%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 915 | (51.78%) | 42 | (2.38%) |
| Zaragoza | 1905 | 1396 | (73.28%) | -48 | (-2.52%) |
