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 billing. Since demand billing varies so greatly among utilities, it is
necessary to thoroughly research and understand the policies of the utility
serving the facility. Almost without exception, demand will be the major
element of any electrical bill. The energy manager must try to find ways to
reduce peak demand so that demand can be as level as possible. Even though
utilities must be capable of providing maximum power demands, it is not
necessary to provide it at all times. This will result in a significant
reduction in demand charges.
FIGURE 9-2.
Demand Calculation for One Time Interval
9-8
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