Fingrid's type approval process for protection and control systems of transmission grid substations

Request for Participation: Fingrid Oyj is initiating a type approval process to select suppliers for substation control and protection systems. The scope of this procurement includes the following: Mandatory products: • RTU • HMI • Bay control unit • Distance protection • Line differential protection • Multipurpose protection IED • 400 kV voltage and restoration functions • 400 kV automatic re-closing • Transformer differential protection • 400 kV busbar protection • Switches Optional products: • 110 kV distributed busbar protection • Voltage regulator • IED for measuring sub and inter-harmonic frequencies The objective of this process is to establish contracts with a maximum of three suppliers capable of providing a complete, type-approved solution for upcoming substation projects. Selected suppliers will ensure system reliability and compliance with Fingrid’s standards starting in 2028. The contract period is seven years. The type approval process is described in more detail in Appendices 1 and 2 (Covering letter and Type approval information)