The Method of Selecting Boiler Houses under Technical Re-Equipment in a Mini-CHP

The development of the energy sector is aimed at improving the energy efficiency of heat and electricity. One way is to use cogeneration technologies. A large number of boiler houses created the preconditions for the creation of a mini-CHPP through their technical re-equipment. The purpose of the work is to develop a methodology for selecting and ranking boiler houses for transformation into a mini-CHPP. To achieve the goal, the following tasks were solved: the effects of the formation of a mini-CHP in the energy district were revealed; a system of criteria has been developed that deter-mines the feasibility of transforming a boiler house; a ranking coefficient was proposed that reflects the potential for improving efficiency; the methodology was tested. The difference of the work is the complexity of the methodology, which takes into account both the advantages of cogeneration technologies and energy balances, as well as individual features of each boiler house. Multi-criteria selection of boiler houses is based on the purpose, fuel used, heat output and functions in heat supply systems. The technical condition, prospective balances of production and consumption of electricity in the energy district of a mini-CHPP are taken into account. The significance of the results lies in the fact that the proposed methodology makes it possible to increase the validity of decisions when trans-forming a boiler house into a mini-CHPP. The use of the selection results will lead to an increase in the economic efficiency of the heat supply system.