Initiatives of Regional Cooperation for Italy's power system integration

The Regional Security Coordinators (RSCs) are companies owned by TSOs, which provide key services for grid planning and operation. The Commission Regulation (EU) 2017/1485 of 2 August 2017 (i.e. System Operation Guideline - SOGL) makes operational coordination mandatory through RSCs, nevertheless TSOs remain responsible for security in their area. Terna, as Italian TSO, since 2009, receives the above-mentioned services by Coreso, a joint service company of nine Transmission System Operators (TSOs) from eighth countries based in Brussels. The paper describes the main characteristics of the services offered by the RSCs and provides an overview on the opportunity to start a new company acting as RSC for the Greece - Italy (GRIT) region. At present, the aims of this new entity will be to perform the role of coordinated capacity calculator according to article 27 of CACM GL, to build a common grid model in accordance of SOGL, to provide regional operational security coordination, to perform outage planning coordination and to perform regional adequacy assessment.