#SS-KPI-04 Substation unplanned interruptions
| Element | Substation (SS) |
| Standing | HNTAS · assessed |
| Monitoring points | SS1 · 5 min · tF (sensor, else heat meter); SS · sensor dP |
| Threshold | ≤ 3 a year |
| Calculation | count of >12h periods below min flow temp OR min dP without 48h notice. Uses design/minFlowTempOff design/minDPIndex |
| Period | Previous 12 months |
#Discuss this KPI
Is the threshold right? Does the calculation match what you compute on your networks? Comment on SS-KPI-04, or report how it behaves on your data. Comments are public and are read before every revision.
#Machine-readable
This KPI is a row of kpi-reference.json (element SS, code SS-KPI-04). The notation and rules that apply to every KPI are on the reference page.
#Related KPIs on the substation
- SS-KPI-01 Substation ARMS connectivity
- SS-KPI-02 Substation monitoring point data completeness
- SS-KPI-03 Substation monitoring points operational
- SS-KPI-05 Substation planned interruptions
- SS-KPI-06 Substation average flow temperature
- SS-KPI-07 Substation average return temperature
- SS-KPI-08 SS flow temperature variance from set point
- SS-KPI-09A SS volume weighted average flow temperature