The use of solar energy in some farms of the Rostov region. Livestock buildings with solar power plants, developed by specialists of the All-Russian Research and Design Institute of Agricultural Mechanization and Electrification, located in the city of Zernograd. Windmill view. Testing of a wind power plant produced by the Astrakhan plant "Vetroenergomash" at the Markhotsky pass near the city of Novorossiysk. The settlement of Mostovskaya, Krasnodar Territory. Residential buildings, greenhouses heated by underground heat sources.