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Ensuring Operational Safety on the European interconnected Grid 20 Annual Report 17 Editorial Guaranteeing operational security 5 26 on Europe’s interconnected grid MANAGEMENT GREETING SERVICE 3 As a European Regional Security Coordinator, Coreso strives Short- and Medium-Term every day to proactively assist transmission system operators in maintaining the operational security of the interconnected area. Adequacy (SMTA) Greater renewable generation capacity, decentralised power generation and intensified cross-border exchanges make the operation of this power system increasingly complex. 6 Coreso’s key objective is to develop a shared regional overview of the CORESO IN 2017 status of the highly connected electricity network. By coordinating 27 different energy actors, studying the cross-border impact of actions and forecasting tense situations, Coreso and other Regional SERVICE 4 Security Coordinators add a valuable regional security layer to the Outage Planning Coordination operational management of the European grid. 16 FIVE SERVICES 28 SERVICE 5 Coreso’s shareholders 17 Common grid model SERVICE 1 Coordinated Security Analysis 29 21 FINANCIAL REPORT SERVICE 2 Coordinated Capacity Calculation 42 GLOSSARY Management Greeting Dear reader, Looking to cooperation, 2017 witnessed the signature of a Cooperation Framework Agreement Our mission, and that of the four other Regional with TSCNET Services to establish new levels of Security Coordinators (RSCs), is to proactively cooperation. Coreso and TSCNET Services agree to support Transmission System Operators (TSOs) set up an efficient cooperation structure to jointly in guaranteeing security of supply in Europe at develop tools, operate services and optimise regional level. processes for TSOs. To effectively perform our duties, we rely on 2017 was also marked by the entry of two new an extremely competent team of professionals shareholders, EirGrid and SONI, the grid operators recognised for their skill, commitment and for the Republic of Ireland and Northern Ireland efficiency. They promote values and attitudes respectively. Their involvement is an important centred on team spirit, innovation and motivation. milestone, heralding an efficient approach to Moreover, as Coreso’s remit continues to cooperation on services in this region. expand, the whole team’s sense of responsibility, transparency and open-mindedness remain 2018 will undoubtedly bring many complex essential to dealing with our challenges. challenges – ensuring that the five mandatory services reach full maturity, meeting shareholders’ 2017 saw many challenges that required Coreso, and customers’ expectations, and responding its fellow RSCs and the whole TSO community to suitably to System Operations Guideline articles cooperate closely to achieve our industry’s shared on coordination. We have a duty to honour this goals. Throughout the year we worked on new commitment and will do everything in our power processes, improved existing ones and contributed to ensure that we are worthy of the confidence of to numerous projects. We maintained our track our shareholders and customers. record regarding the extraordinary measures implemented during the cold spell in January 2017, This annual report presents our main achievements the implementation of the Operational Planning in 2017. We hope you find the information useful – Data Environment (OPDE) in mid-2017, the launch happy reading! of the first services jointly operated by the five RSCs, and the adoption of the Critical Grid Situation approach initiated by ENTSO-E for winter 2017/2018. Jean-François Gahungu Jan Van Roost Cécile Pellegrin Erik Wolfs CEO COO Head of Development Head of IT Department 4 5 ENTSO-E System Operations Committee approves the contractual framework for the Operational Planning Data 21 FEB Highlights Environment agreement Coreso in 2017 In connection with intensified and optimal data exchanges between TSOs and RSCs, ENTSO-E has begun developing a new digital platform: the Operational Planning Data Environment (OPDE). Four special winter processes Coreso is involved here as a service provider tasked following adequacy issues in with cultivating the right environment for hosting and 1 JAN operating the OPDE and the associated database. France and Belgium A tense winter situation was forecast due to the forced outage of several nuclear generation units in France and Belgium. During an extended period 22 JAN TSOs, RSCs and ENTSO-E are laying the digital foundations of a smarter of low temperatures combined with low volumes of renewable generation, European power system that will help provide European citizens with a a risk of adequacy issues (i.e. shortage of power) was identified. sustainable power supply for the decades to come. Capitalising on emerging ICT and big data technologies, ENTSO-E has been To mitigate this risk, Coreso teamed up with the transmission system operators involved and TSCNET Services to develop four special processes: developing a state-of-the-art IT platform on which operational planning data will be continuously exchanged in Europe, boosting system efficiency • A weekly analysis to detect potential adequacy issues and security for the benefit of all grid users. • The optimisation of French import capacities from Belgium and The Operational Planning Data Environment is the fundamental building Germany on the day-ahead market block of this new digital layer that will support the coordination of system • The optimisation of French import capacities from Switzerland on the operators at regional and pan-European level. This environment could intraday market be opened up to other power system actors in the future. At ENTSO-E, • An assessment of the availability of reserve generation units on the we are particularly enthusiastic about being at the forefront of this new German and Austrian grid that could be activated if needed development in the European power system, alongside our members and The successful implementation of these special processes is an example RSCs like Coreso. of regional coordination, enabling TSOs to ensure security of supply at Wim Ivens, CGM ICT manager, ENTSO-E - regional level. 3 4 Key daily operational new processes have 4 processes have undergone been introduced into figures resources joined the project team. a major overhaul to better the operational dry-run Coreso has supported its project team by suit TSO needs and further and final testing phase implementing a comprehensive change improve the results to hone the results and programme: the workforce has continued to achieved. operational procedures. grow, a project management method tailored After this extensive to Coreso’s operating environment has been testing phase, these devised, new roles have been created, new 25 700 processes will become processes as well as management and reporting More than 25700 hours fully operational and Key tools have been adopted, and a project culture of operator work in the will further improve figures and associated training scheme have been control room in 2017 services offered to our introduced. shareholders and the 3135 European grid. 5 days of 24/7 activities regions where Coreso actively contributes to the since June 2009 definition and implementation of methodologies. 6 7 Coreso and TSCNET Services It’s been a pleasure and honour to serve Coreso as its COO conclude the Cooperation 30 MAY and participate in the strategy exercise alongside the Framework Agreement previous management team since early 2017. I discovered a start-up now striving to become a structured SME while adapting to constantly evolving external This agreement aims to strengthen cooperation between both entities in order to efficiently and consistently respond to the regional needs of expectations. However, success is highly contingent on the TSOs across Europe (shared development of new services, task sharing ability of Coreso and its shareholders to accelerate growth and exchange of methods). and at the same time focus, make the right choices, and set priorities and stick to them. I found expert teams comprising experienced and dedicated staff who foster excellent collaboration with all stakeholders. The Regional Security Coordinators should cooperate fully across Europe I would also like to take this opportunity to thank all the to maximise security of supply on highly interconnected power grids. Close staff at Coreso for their efforts and achievements in 2017. I’m cooperation between Coreso and TSCNET Services, Europe’s largest RSCs, confident that we will be able to count on their continued is a logical way to develop security services for our partner TSOs, especially commitment to tackling the challenges that lie ahead in within the large Core Capacity Calculation region in the heart of the 2018 and beyond. European Union. Maik Neubauer and Uwe Zimmermann, Jan Van Roost, COO, Coreso - Managing Directors, TSCNET Services - 3 4 new Security and Interns Coordination Engineers Key figures 3 50 new FTEs on the project professionals on the team: 2 new colleagues Coreso team: from shareholder TSOs Around 50 professionals and 2 additional part-time and engineers combine workers alternating with their international Let’s welcome Jan Van Roost operational activities. expertise in projects and processes running 24/7 as Chief Operations Officer and Cécile Pellegrin as Head of 1 AUG Development We had the pleasure of welcoming Jan Van Roost and Cécile Pellegrin to As a service provider to TSOs, Coreso plays a significant role Coreso’s management