Large-Scale Electrochemical Energy Storage in High Voltage Grids: Overview of the Italian Experience

Roberto Benato, Gianluca Bruno, Francesco Palone, Rosario M. Polito and Massimo Rebolini
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Roberto Benato: Department of Industrial Engineering, University of Padova, 35100 Padova, Italy
Gianluca Bruno: Terna Rete Italia, 00156 Rome, Italy
Francesco Palone: Terna Rete Italia, 00156 Rome, Italy
Rosario M. Polito: Terna Rete Italia, 00156 Rome, Italy
Massimo Rebolini: Terna Rete Italia, 00156 Rome, Italy

Energies, 2017, vol. 10, issue 1, 1-17

Abstract: This paper offers a wide overview on the large-scale electrochemical energy projects installed in the high voltage Italian grid. Detailed descriptions of energy (charge/discharge times of about 8 h) and power intensive (charge/discharge times ranging from 0.5 h to 4 h) installations are presented with some insights into the authorization procedures, safety features, and ancillary services. These different charge/discharge times reflect the different operation uses inside the electric grid. Energy intensive storage aims at decoupling generation and utilization since, in the southern part of Italy, there has been a great growth of wind farms: these areas are characterized by a surplus of generation with respect to load absorption and to the net transport capacity of the 150 kV high voltage backbones. Power intensive storage aims at providing ancillary services inside the electric grid as primary and secondary frequency regulation, synthetic rotational inertia, and further functionalities. The return on experience of Italian installations will be able to play a key role also for other countries and other transmission system operators.

Keywords: large-scale electrochemical storage; energy and power intensive; ancillary services (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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