Dynamic Security Assessment (DSA) software and services

# Business Objectives Dynamic Security Assessment is used to assess the grid security margins and stability problems (transient - voltage - small-signal - frequency) occurring following small or large disturbances and events by using realtime and future grid scenarios. TenneT aims to implement two systems to reflect the different DSA implementations: ▪ Offline DSA: Implements DSA for forecasted grid scenarios to be used by operational planners - using forecast data as input. ▪ Online DSA: Implements DSA for current or short-term forecasted scenarios to be used by control room operators - using the state estimation real-time snapshot and intraday forecast data as inputs. This tender only pertains to Online DSA. The business objective of this tender is to contract with the best possible party - which...