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16/07/2019
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Analysis of the current state and the possible evolution of electricity markets in Italy

Analysis of the current state and the possible evolution of electricity markets in Italy

This report describes the study carried out by Energy & Strategy Group (School of Management of the University of Politecnico di Milano) and RSE, with the contribution of Joint Research Centre. Divided in 5 sections, it focusses on the current state and development prospects of the Italian Ancillary Service Market (ASM).

The report Analysis of the current state and the possible evolution of electricity markets in Italy describes the study carried out by Energy & Strategy (School of Management of the University of Politecnico di Milano) and RSE, with the contribution of Joint Research Centre (European Commission’s science and knowledge service) and the support of some stakeholders, such as Axpo, Edison, Enel X, E.ON, EP Produzione, EPQ, Erg and Siram.

The study, divided in 5 sections, focusses on the current state and development prospects of the Italian Ancillary Service Market (ASM), taking into account the non-programmable renewable energy sources penetration, the consequent critical issues in the power system operation and the possible countermeasures to overcome the current criticalities.

From the critical sensibility analysis of the current state of ASM it appears that one of the major problems for the power system lies in the reduced ability of Transmission System Operator (Italian TSO Terna) to regulate the system due to the lack of flexible resources (the current ancillary market rules dispose that only large programmable generation unit are eligible to provide the ancillary services).

These aspects could be amplified in the next future due to the expected very large development of the RES (EU target).

In order to overcome the above criticalities the study considers the recent Italian Energy Authority ARERA decision 300/17 concerning the participation of eligible virtual units, as Pilot Projects, in the ancillary service provision. In particular, the main assumption is that in ASM will participate new providers such as large non-programmable RES units, distributed generation units, new storage units and consumption units. The ASM simulations at 2030 time horizon show the ability of the new flexible resources both to mitigate the criticalities in system operation and to contain the high cost of the ancillary services, so that the end users does not see their bill increasing.

Final Deliverable