Outages are grouped into the categories shown below.
Administrative Outage -
Waiting time, force majeure events, or other outage not inherent to equipment aspects.
Forced Derate -
Immediate, delayed, or postponed unplanned derate.
Forced Outage -
Immediate, delayed, or postponed unplanned outage.
Maintenance Outage -
Outage that can be delayed beyond the next weekend but before the next long-lead planned outage.
Planned Derate -
Derate scheduled well in advance and having a predetermined duration.
Planned Outage -
Outage scheduled well in advance and having a predetermined duration.
Time when the system is available to run but is not utilized/dispatched due to economic or other strategic reasons.