In its schedules, it gave priority to irrigated farming. ( For this reason, since 1993, the Toktogul cascade of reservoirs has sharply increased the volume of water accumulated in reservoirs over the summer and discharged in the winter. This change in scheduling allows Kyrgyzstan to benefit from producing hydroelectricity at winter times when the demand for it is the highest. Several big-size reservoirs of long-term and seasonal control regulate water flow' in the basin. These reservoirs, Toktogul, Kairakkum, Shardara, Andojan and Charvak, focus on providing irrigation water for Central-Asian republics (Antipova et al.,