Solar Energy, Water Storage and Sustainable ...

This paper analyses the theoretical aspects of the use of solar energy and water storage for sustainable electric energy supply. Proposed hybrid concept observed as an open energy system that behaves according to the local conditions and renewable energy source technology used. Sustainability of hybrid system is based on stabile water and energy budget of power plant in the planning period. The key relationship for system design and interdependence between electric power of solar generator and working volume of water (energy) storage is set. Water storage is a main functional element of the proposed concept that allows efficient harvesting of sun energy as well as water resources and thus significantly affects on the features of hybrid solutions. The developed theoretical relationships and proposed hybrid system indicators have been tested on two different climate areas, as paradigms of Continental and Mediterranean climate. Based on obtained results it has been concluded that presented hybrid concept of solar-hydro systems provides a promising basis for the development of sustainable energy systems.