Both optimisation processes resulted in hybrid energy systems, utilising photovoltaics (PV), lead-acid batteries and a diesel generator as a load-balancing facility. The operation of this model was tested in two real off-grid energy systems, a cluster of villages in India and Titumate in Colombia. From this model, the optimal mix of solar- and wind-based power generators combined with storage devices and a diesel generator set is formed. Using linear programming methods in the General Algebraic Modeling System (GAMS) environment, the optimal configuration of the electrical power supply system following characteristic restrictions as well as hourly weather and demand data is found. ![]() ![]() In this study, a general model of a hybrid off-grid energy system is developed, which can be adjusted to reflect real conditions in order to achieve economical and ecological optimisation of off-grid energy systems.
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