| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 174 | (78.03%) | -8 | (-3.59%) |
| Albacete | 727 | 201 | (27.65%) | -7 | (-0.96%) |
| Alicante | 315 | 93 | (29.52%) | -8 | (-2.54%) |
| Almeria | 224 | 25 | (11.16%) | 0 | (0.00%) |
| Asturias | 484 | 405 | (83.68%) | 9 | (1.86%) |
| Avila | 290 | 108 | (37.24%) | -6 | (-2.07%) |
| Badajoz | 7592 | 3310 | (43.60%) | -68 | (-0.90%) |
| Barcelona | 274 | 192 | (70.07%) | -5 | (-1.82%) |
| Burgos | 139 | 116 | (83.45%) | -2 | (-1.44%) |
| Caceres | 6627 | 3499 | (52.80%) | -50 | (-0.75%) |
| Cadiz | 1821 | 1023 | (56.18%) | 11 | (0.60%) |
| Cantabria | 575 | 487 | (84.70%) | -16 | (-2.78%) |
| Castellon | 221 | 134 | (60.63%) | -4 | (-1.81%) |
| Ciudad Real | 510 | 228 | (44.71%) | -4 | (-0.78%) |
| Cordoba | 3411 | 1324 | (38.82%) | -40 | (-1.17%) |
| Cuenca | 1134 | 421 | (37.13%) | -6 | (-0.53%) |
| Girona | 294 | 226 | (76.87%) | -7 | (-2.38%) |
| Granada | 1186 | 640 | (53.96%) | -14 | (-1.18%) |
| Guadalajara | 2931 | 837 | (28.56%) | -22 | (-0.75%) |
| Guipuzcoa | 29 | 24 | (82.76%) | 0 | (0.00%) |
| Huelva | 1508 | 941 | (62.40%) | -8 | (-0.53%) |
| Huesca | 2401 | 1682 | (70.05%) | -58 | (-2.42%) |
| Jaen | 2327 | 988 | (42.46%) | -28 | (-1.20%) |
| La Coruña | 359 | 285 | (79.39%) | -12 | (-3.34%) |
| La Rioja | 136 | 95 | (69.85%) | -5 | (-3.68%) |
| Leon | 1772 | 1317 | (74.32%) | -50 | (-2.82%) |
| Lleida | 1145 | 856 | (74.76%) | -23 | (-2.01%) |
| Lugo | 895 | 736 | (82.23%) | -15 | (-1.68%) |
| Madrid | 1060 | 656 | (61.89%) | -12 | (-1.13%) |
| Malaga | 616 | 412 | (66.88%) | -9 | (-1.46%) |
| Murcia | 148 | 33 | (22.30%) | -1 | (-0.68%) |
| Navarra | 1014 | 696 | (68.64%) | -22 | (-2.17%) |
| Orense | 1603 | 1093 | (68.18%) | -8 | (-0.50%) |
| Palencia | 488 | 243 | (49.80%) | -17 | (-3.48%) |
| Pontevedra | 363 | 325 | (89.53%) | -7 | (-1.93%) |
| Salamanca | 3482 | 1714 | (49.22%) | -18 | (-0.52%) |
| Segovia | 81 | 61 | (74.94%) | -1 | (-1.23%) |
| Sevilla | 942 | 565 | (59.98%) | -8 | (-0.85%) |
| Soria | 267 | 202 | (75.66%) | -6 | (-2.25%) |
| Tarragona | 237 | 210 | (88.61%) | 0 | (0.00%) |
| Teruel | 183 | 112 | (61.20%) | -2 | (-1.09%) |
| Toledo | 451 | 233 | (51.66%) | -9 | (-2.00%) |
| Valencia | 1911 | 662 | (34.64%) | 20 | (1.05%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 1231 | (69.67%) | -21 | (-1.19%) |
| Zaragoza | 1905 | 1360 | (71.39%) | 3 | (0.16%) |
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