Goal. To establish miscanthus gigantic productivity at growing on slope lands, as a raw material for producing solid kinds of fuel. Methods. Field, laboratory, statistic, comparative-calculation. Results. During the determination of third-year (2018) miscanthus productivity on various nutrition backgrounds and on various slope expositions, the crop green mass yield increase by 33% (6,2 t/ha) was established, as well as the dry matter — by 31% (2,8 t/ha) on the northeastern exposition slope, using 8 t/ha of limestone flour and N60P60K60 introduction, compared to analogic variants indicators when locating them on southwestern exposition sites. Energy output per unit area herewith made 208 MJ. The same trend persisted in the definition of the fourth-year vegetation (2019) miscanthus productivity. The green mass yield on the southwestern exposition slope made 29,8–33,8 t/ha, and on the northeastern exposition slope — 38,7–43,7 t/ha. Green mass and dry matter yield at using 8 t/ha of limestone flour and N60P60K60 introduction on the northeastern exposition slope were higher, compared to indicators of similar options with their location on sites of southwestern exposition, by 29% (9,9 t/ha) and 30,2% (5,2 t/ha), respectively. Energy output per unit area herewith made 390,4 MJ. According to the research carried out in 2020, the highest productivity indicators were also established on trial sites where liming was conducted, and N60P60K60 introduced on the northeastern exposition slope. When growing the fifth-year miscanthus, the increase of crop green mass yield by 23% (7,8 t/ha), and dry matter by 35% (5,5 t/ha) was established. Energy output per unit area herewith made 369,6 MJ. One should note that averagely for 2018–2020, green mass yield on the best variant made 36,56 t/ha, dry matter — 18,4 t/ha, energy — 322,6 MJ/ha. Conclusions. When growing miscanthus on various nutrition backgrounds and on various slope expositions, the highest productivity indicators and the energy output per unit area were established on the northeastern exposition slope, using 8 t/ha of limestone flour and introducing N60P60K60, regardless of the crop vegetation years.