With a bias of -150 MW, how much output can a Balancing Authority provide if frequency falls by 0.05 Hz?

To determine the output a Balancing Authority can provide given a bias of -150 MW and a frequency drop of 0.05 Hz, it is important to understand the relationship between frequency changes and power output for balancing authorities.

When frequency drops, it generally indicates a supply-demand imbalance, meaning there's a need for additional generation to stabilize frequency. The Balancing Authority has a bias of -150 MW, which typically means it is set to provide additional capacity if needed. The term "bias" indicates the expected output the Balancing Authority can muster based on its operating protocols.

In this scenario, with a frequency drop of 0.05 Hz, the Balancing Authority's inherent response is to adjust their output to support the grid. The exact capacity that corresponds to a frequency change can vary based on systems, but a common rule of thumb is that a 0.1 Hz drop corresponds to a certain percentage of the total capacity of the system, often implying a proportional ability to contribute additional megawatts to stabilize the frequency.

If we take a reduction of 0.05 Hz, on a simplified basis, it can be reasoned that a Balancing Authority could increase its output in response, and since the bias was set at -150