| Comunidad | Capacidad | Embalsada | Variacion | ||
| Alava | 223 | 197 | (88.34%) | -1 | (-0.45%) |
| Albacete | 727 | 262 | (36.04%) | 6 | (0.83%) |
| Alicante | 315 | 88 | (27.94%) | -2 | (-0.63%) |
| Almeria | 224 | 25 | (11.16%) | -1 | (-0.45%) |
| Asturias | 484 | 454 | (93.80%) | -7 | (-1.45%) |
| Avila | 290 | 271 | (93.45%) | 5 | (1.72%) |
| Badajoz | 7592 | 4725 | (62.24%) | -28 | (-0.37%) |
| Barcelona | 274 | 258 | (94.16%) | 0 | (0.00%) |
| Burgos | 139 | 131 | (94.24%) | 3 | (2.16%) |
| Caceres | 6627 | 6050 | (91.29%) | 21 | (0.32%) |
| Cadiz | 1821 | 1386 | (76.11%) | -12 | (-0.66%) |
| Cantabria | 575 | 500 | (86.96%) | 5 | (0.87%) |
| Castellon | 221 | 98 | (44.34%) | 3 | (1.36%) |
| Ciudad Real | 510 | 337 | (66.08%) | 4 | (0.78%) |
| Cordoba | 3411 | 2087 | (61.18%) | -5 | (-0.15%) |
| Cuenca | 1134 | 495 | (43.65%) | 5 | (0.44%) |
| Girona | 294 | 266 | (90.48%) | 5 | (1.70%) |
| Granada | 1186 | 727 | (61.30%) | 3 | (0.25%) |
| Guadalajara | 2931 | 1025 | (34.97%) | 19 | (0.65%) |
| Guipuzcoa | 29 | 27 | (93.10%) | 0 | (0.00%) |
| Huelva | 1508 | 1251 | (82.96%) | -7 | (-0.46%) |
| Huesca | 2401 | 2197 | (91.50%) | 82 | (3.42%) |
| Jaen | 2327 | 1514 | (65.06%) | -8 | (-0.34%) |
| La Coruña | 359 | 314 | (87.47%) | 10 | (2.79%) |
| La Rioja | 136 | 129 | (94.85%) | -2 | (-1.47%) |
| Leon | 1772 | 1696 | (95.71%) | 14 | (0.79%) |
| Lleida | 1145 | 1064 | (92.93%) | 5 | (0.44%) |
| Lugo | 895 | 793 | (88.60%) | 14 | (1.56%) |
| Madrid | 1060 | 974 | (91.89%) | 8 | (0.75%) |
| Malaga | 616 | 423 | (68.67%) | -4 | (-0.65%) |
| Murcia | 148 | 31 | (20.95%) | 1 | (0.68%) |
| Navarra | 1014 | 919 | (90.63%) | 11 | (1.08%) |
| Orense | 1603 | 1322 | (82.47%) | 12 | (0.75%) |
| Palencia | 488 | 414 | (84.84%) | 11 | (2.25%) |
| Pontevedra | 363 | 344 | (94.77%) | 2 | (0.55%) |
| Salamanca | 3482 | 2582 | (74.15%) | 7 | (0.20%) |
| Segovia | 81 | 76 | (93.37%) | 0 | (0.00%) |
| Sevilla | 942 | 808 | (85.77%) | -6 | (-0.64%) |
| Soria | 267 | 242 | (90.64%) | 1 | (0.37%) |
| Tarragona | 237 | 208 | (87.76%) | 0 | (0.00%) |
| Teruel | 183 | 102 | (55.74%) | 3 | (1.64%) |
| Toledo | 451 | 290 | (64.30%) | -1 | (-0.22%) |
| Valencia | 1911 | 560 | (29.30%) | 10 | (0.52%) |
| Valladolid | 6 | 6 | (100.00%) | 0 | (0.00%) |
| Zamora | 1767 | 1526 | (86.36%) | 72 | (4.07%) |
| Zaragoza | 1905 | 1652 | (86.72%) | -3 | (-0.16%) |
