Downtime Costs
The following table describes how downtime costs are calculated during the evaluation.
|
Downtime Cost |
Description |
|---|---|
|
Load |
The downtime cost of a Load represents the cost of interruption to the load per year. The downtime cost per year is calculated as a product of the downtime cost per hour multiplied by the unavailability in hours per year. |
|
Any Load |
The downtime cost of Any Load represents the total cost of interruptions to individual loads per year. The downtime cost per year is calculated as sum of downtime costs per year of all system loads. |
|
All Loads |
The downtime cost of All Loads represents the cost of interruption to the system per year where the interruption of the system is defined as a simultaneous interruption to all individual loads. The downtime cost per year is calculated as a product of the downtime cost per event multiplied by the average failure rate per year. |
