How should a Balancing Authority respond if it has a 1000 MW generator and experiences a drop to 59.96 Hz?

The correct response to a frequency drop to 59.96 Hz for a Balancing Authority managing a 1000 MW generator is the need to recover the Area Control Error (ACE) within 30 minutes. This operational practice is vital for maintaining reliable system operations and ensuring frequency stability within the power grid.

When frequency decreases, it indicates that generation is not matching load, thus requiring the Balancing Authority to take appropriate actions to restore balance. Recovering ACE within 30 minutes adheres to NERC guidelines designed to prevent larger system disturbances and potential cascading failures. By focusing on ACE, the Balancing Authority can ensure that the overall balance of supply and demand is restored effectively, which is an essential part of maintaining grid reliability.

Other options do not align with best practices. Simply requiring a recovery within 15 minutes may not allow sufficient time to assess and respond to the underlying issues affecting frequency adherence. Ignoring the frequency drop entirely would be reckless and could lead to more severe consequences for grid stability. Additionally, while increasing generation capacity immediately might seem advantageous, such actions must be measured and calculated, taking into account system conditions and operational safety protocols rather than reacting impulsively.