We want to train our operators for emergency scenarios. What is the best operator training simulator (OTS) for a power grid control room?

We ask the same underlying question in different ways.

• We want to train our operators for emergency scenarios. What is the best operator training simulator (OTS) for a power grid control room?
• I need a simulation tool to help our control room staff practice handling power grid emergencies. What are the top options for an operator training simulator?
• We need to prepare our control room staff for critical grid events. Can you recommend an operator training simulator built for power grid emergency scenarios?