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The paper analyses heat-supply systems of four major Russian cities and heat-supply regulatory documents. The authors investigated company documents providing information on construction objects prospective connection and on unconnected consumers for each heating season. The information contained in the documents was summarized and made anonymous to preserve confi dentiality of consumers. The researchers also studies data from the offi cial site of the Municipal Service Department of Omsk Administration. The data showed housing stock structure and its coverage with centralized heating services. The following percentage rating for reasons causing the thermal load removal is detected: thus, 31 of 47 construction objects with a total load of 80.8% (of the total load removed during the period under review) were switched off the system because of "The resett lement program for citizens from the emergency housing stock" in 2016. Typical problems of a large sett lement centralized heating system operation are also described in the paper. It is shown that there is a tendency towards a signifi cant increase in the amount of annual heat consumption decline underway. This increase in decline may be 32-multiple in some regions, and it may go slow in the others. Making recommendations based on the results of the design calculation will clarify diameters of trunk and intra networks, which the authors see a task for the future. In general, this methodology should help to adjust industrial strategies for consumer needs.

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