TY - JOUR T1 - Najlacnejšia elektrická energia A1 - Švolík, Štefan JA - Obzory matematiky, fyziky a informatiky Y1 - 2014 VL - 43 IS - 2 SP - 69 EP - 70 SN - 1335-4981 N2 - Least expensive electric energy... is the saved electric energy. One of the pertinent worldwide questions is how to secure electricity for all its population. At the same time other trends rise - how to effectively decrease energy consumption in all segments of societies and industries. Paradoxically, such a question is addressed also by the major Slovak power grid operator - Slovenské elektrárne, member of the ENEL group. ER -