Which of the following best defines 'maximum demand' in electrical consumption?

The definition of 'maximum demand' in electrical consumption refers specifically to the highest amount of electricity consumed within a defined time frame. This concept is significant in the context of electrical systems and utility planning, as it helps utilities determine the capacity needed to meet peak loads and optimize energy distribution.

Maximum demand is typically measured over a specific period, such as 15 minutes or an hour, reflecting the most significant load that the system experiences. This information is crucial for designing infrastructure that can handle peak loads and for tariff structures, as utilities often charge customers based on their highest recorded demand to encourage energy conservation and efficient usage.

In contrast, other options do not accurately capture the essence of maximum demand. For instance, average consumption provides a general overview but does not indicate peak usage, while the lowest demand focuses on minimum consumption, which is not relevant to maximum demand assessments. Similarly, the amount of energy saved does not pertain to demand measurements but rather to efficiency and conservation efforts. Thus, the correct response aligns with the fundamental understanding of what maximum demand signifies in the realm of electrical consumption and utility management.