Which of the following statements regarding asset categorization is true?

The statement regarding asset categorization that is true is that medium impact assets can include those performing Underfrequency Load Shedding (UFLS). This is significant because UFLS is a critical function used to maintain the stability of the power system during frequency disturbances. Assets associated with this function, while not necessarily operating at the highest impact levels, are indeed categorized as medium impact due to their importance in maintaining system reliability.

Monitoring and categorization of assets in the power sector are not solely focused on high impact systems or high voltage lines. Instead, various assets across different voltage levels can have varying impacts depending on their specific functions and roles within the grid. Medium impact assets contribute to the overall reliability and stability of the system, particularly in the context of load management and frequency control.

In contrast, categorizing all transmission assets as high impact would overlook the varied responsibilities and consequences of different transmission assets. Additionally, the need for all assets to be monitored without exception lacks practical feasibility due to resource constraints and strategic focus, as not all assets pose the same level of risk. Thus, the understanding of asset impact levels helps optimize monitoring strategies within the sector.