Specialized magazine Energie 21 (Alternative Еnergy), published every two months joins thematically related magazines Energie 21 and alternative energy. It carries theoretical and practical information on the production and efficient use of the energy from renewable and secondary sources - biomass, sun, land, wind, water, waste and more.
Current topics are energy distribution, energy autonomy, safety and security sustainable development of the regions.
On the one hand, the readers are investors, managers of power factories, construction and technology suppliers; on the other hand, end-users - institutions, sole traders, farmers and property owners. The magazine is also be regularly read by government officials, housing, research and academic staff staff and students from secondary schools and universities. It spreads through subscription for 3,600 readers, 400 of whom are from Slovakia.