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Operational study of an electricity generating station with an energy storage system where the energy produced is exclusively available to the producer's loads and is not injected into the grid

Madouros Panagiotis

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Summary

In this thesis, a smart microgrid with zero feed in is examined on a university campus in Heraklion, Crete, in order to highlight its applicability in the context of sustainable energy transition. The great need for renewable energy penetration makes the concept of a campus microgrid a promising solution for a greener energy transition. For the ongoing study the microgrid consists of photovoltaic systems and battery energy storage system which does not return any energy into the grid. The analysis performed examines both the economic feasibility and the environmental impact of such an investment. Initially, a short reference is made to the targets set by the EU and the Greek government for a greener electricity production system as well as the existing legal framework regarding renewable sources. In addition technical characteristics related to the state of the Greek electricity transmission and distribution network and ways in which RES penetration is achieved even if the network is saturated are presented. Then, the basics of a PV system and an energy storage system are analyzed in order to understand the structure and the operational principles of the system modeled in the campus. Finally, the simulation of the system is presented in detail, accompanied by an economic description for the electrical installation of the PV station and the storage system and an environmental impact of the project study.

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