The article presents the problems of cost reduction based on use a differentiated tariff in power system. Information economic feasibility implementation and rational tariffs for various systems is presented, concerning introduction one-rate two-rate short-term low-cost measures. It shown that transition to system plays an important role increasing energy efficiency large industrial enterprises.

Soil and water resources management of rivers has an important role because of direct relation withdifferent systems such as earth, life, social and people. Although the use of vegetation cover inbioengineering and biological stabilization and also soil and water resources management projects hasmany advantages, but improper methods of design and implementation cause hydraulic specificationsof ...