Development of grid security forecasting processes at TenneT TSO B.V.

The Dutch Transmission System Operator TenneT TSO B.V. is responsible for the Dutch electricity grids with voltages of 110 kV to 380 kV. The company is required to guarantee the Security of Supply at all times, and must comply with both national and international legislation and agreements. Economic efficiency and market facilitation are prompting an increase in interconnection capacity between European countries, together with optimization of asset utilization. Forecasting processes by applying offline grid analysis is one of the core business processes by which TenneT meets these requirements. The aim of this paper is to provide an insight into the complexity of implementing and integrating these processes given the requirements, the IT infrastructure and the demands of the various user groups. The emphasis is specific on the processes close to real time. It addresses the most important design and implementation aspects from TenneT's perspective and provides an overview of best practices.