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Complex Networks Approach to the Italian Photovoltaic Energy Distribution System

Valori, Luca and Giannuzzi, Giovanni Luca and Squartini, Tiziano and Garlaschelli, Diego and Basosi, Riccardo Complex Networks Approach to the Italian Photovoltaic Energy Distribution System. In: 25th International Conference on Efficiency, Cost, Optimization and Simulation of Energy Conversion Systems and Processes, 26-29 June, 2012, Perugia pp. 72-89. ISBN 978-88-6655-322-9. (2012)

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Abstract

One problem in the study of the Italian electric energy supply scenario is determining the ability of photovoltaic production to provide a constant and stable energy background over space and time. Knowing how the photovoltaic energy produced in a given node diffuses on the power grid is of crucial importance. A smart grid able to face peaks of load must be designed. Approached here from a complex systems point of view, the network of energy supply might be represented by a graph in which nodes are Italian municipalities and edges cross the administrative boundaries from a municipality to its first neighbours. Using datasets from ISTAT, GSE and ENEA, the node production and attraction of photovoltaic energy have been estimated with high accuracy. The attraction index was built using demographic data, in accordance with medium per capita energy consumption data. Moreover, the energy produced in each node could be determined using data on the installed photovoltaic power and on local solar radiation. The available energy on each node was calculated by running a distributive model assuming that the energy produced in one node which diffuses to its first neighbours is proportional to the attraction index of the latter. Therefore the available energy at each node is the sum of many contributions, coming from topological paths involving all the other nodes across the network. The availability of cross temporal data on the photovoltaic power installed on the Italian territory also make it possible to understand the evolution of the available photovoltaic energy landscape over time.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QC Physics
Research Area: Economics and Institutional Change
Depositing User: Caterina Tangheroni
Date Deposited: 05 Nov 2015 11:38
Last Modified: 05 Nov 2015 11:38
URI: http://eprints.imtlucca.it/id/eprint/2815

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