| Timestamp | yyyy-MM-dd HH:mm:ss | Date and time for the calculation timestep |
| AC Collection Loss | W | Power loss in the medium-voltage collection system between the array MV transformer output and the plant-level HV equipment |
| Data Acquisition System Loss | W | Auxiliary power consumption for data acquisition and monitoring equipment at the array level |
| Shelter Cooling Loss | W | Auxiliary power consumption for inverter shelter or enclosure cooling systems |
| AC Power Output | W | AC power output from the array after AC collection system losses |
| Tracker Motor Loss | W | Auxiliary power consumption for tracker motor operation, aggregated for all trackers in the array |
| Total AC Power from Inverters | W | Sum of AC power output from all inverters in the array before auxiliary losses and degradation |
| Degradation | — | Degradation coefficient applied to the array power output, representing cumulative module degradation over time |
| AC Power After Degradation | W | Array AC power after applying the degradation coefficient to the total inverter power output |
| AC Power Into Transformer | W | AC power entering the array-level MV transformer, after auxiliary losses and degradation |
| Transformer Losses | W | Power losses in the array-level MV transformer, including no-load and load-dependent losses |
| Transformer Output Power | W | AC power output from the array MV transformer, available for aggregation to block level |
