EN
The article aims at grounding the principles and developing the methods of identifying the necessary and sufficient conditions to provide ecologically sustained development of the national economy. The scientific and methodological approaches to the formation of the system of the indicators on the local level were developed on the basis of the principles of informationally-analytical guarantee of sustained development. The scientific and methodological approaches to defining the economical efficiency of ecological information were worked out. The constituents of communicative-informational system of an enterprise were elaborated.