What is 'inadvertent interchange' and how does it affect a control area?
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A
Unintended power exchange across tie lines that accumulates over time, requiring payback to affected areas
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B
A sudden loss of generation that causes unplanned power flow reversals
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C
Scheduled but uncompleted energy transactions that are billed at penalty rates
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D
Reactive power that unintentionally flows through a neighboring utility's system