the paper demonstrates the possibility of using closed down mines in don bass to form mini-energy complexes, which would reduce the dependence of the donetsk and lugansk People's republics industries on imported energy carriers. at the same time, the energy security is improved through the pro duction of liquid motor biofuel and generation of electric power. this also results in draining flooded areas by using pumps, collecting rainwater, pri mary water settling, and providing consumers with utility and potable water. KeywordsWind-driven power plant, hybrid wind and solar power plants, Biomass, Wastes, Mini-energy complexes, Electric power, Biofuel, utility and potable water.

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The work is aimed at studying approaches and developing principal regulations when choosing the sites intended for constructing underground nuclear small power plants in geological formations. The research methodology provides for analysis and summarizing international and Russian experience in choosing the sites for the placement of radiation hazardous facilities. Results. The work gives the approaches when choosing the sites intended for radiation hazardous facilities proposed by IAEA in Russia and abroad. The formation of criteria complete, their specific weight and an integrated assessment of impacts of an energy object on the environment is of importance in the site choosing procedure. The several criteria characterising the site are different for the surface and underground placement of a nuclear plant. The underground placement of a nuclear plant is a determining factor in protecting against undesired external and internal impacts. The authors have proposed an algorithm of choosing the sites for underground small nuclear power plants based on a limited number of criteria. Conclusions. The approaches used for choosing the sites have similar algorithms. The site choosing procedure pays a lot of attention to formation of criteria and an integrated assessment of impacts of an energy object on the environment. The underground placement of energy objects improves their security that allows decreasing a number of observed criteria when choosing the sites.