Incidents
6 findings shown, ordered by impact on production and cost.
Persistent insulation resistance condition on Ring3 Inverter 1
Ring3 Inverter 1 has been underperforming since 1 February. The most likely cause is an insulation resistance problem. Estimated production loss is approximately 3.2 MWh.
- Location
- Apollo2_New · Ring3_Inverter1
- Estimated loss
- 3,204 kWh
- Financial impact
- €352
- Duration
- 31 days
Next step: Inspect DC cabling and connectors on the affected strings for moisture and damage
Possible MPPT imbalance on Ring3 Inverter 2
Variation between active MPPT energy measurements is approximately 16.5%. This is an investigation candidate rather than a confirmed fault.
- Location
- Apollo2_New · Ring3_Inverter2
- Estimated loss
- 486 kWh
- Financial impact
- €53
- Duration
- 26 days
Next step: Compare string layout and orientation against the design documentation
Elevated internal temperature on Ring4 Inverter 2
Internal temperature runs 12 to 16 degrees above comparable inverters during peak hours, with small derating episodes at midday.
- Location
- Apollo2_New · Ring4_Inverter2
- Estimated loss
- 138 kWh
- Financial impact
- €15
- Duration
- 9 days
Next step: Inspect and clean ventilation paths and filters
Possible MPPT imbalance on Ring2 Inverter 1
Variation between active MPPT energy measurements is approximately 11.4%. Worth inspecting during the next site visit.
- Location
- Apollo2_New · Ring2_Inverter1
- Estimated loss
- 264 kWh
- Financial impact
- €29
- Duration
- 19 days
Next step: Add a visual check of this array to the next scheduled site visit
Missing measurement intervals on Ring1 Inverter 2
409 five minute intervals are missing for this device on 18 and 19 February. This is a data quality issue and not an equipment fault.
- Location
- Apollo2_New · Ring1_Inverter2
- Estimated loss
- 0 kWh
- Financial impact
- €0
- Duration
- 34 h
Next step: Re-export the period from the monitoring platform if the raw data is required
Shutdown records reviewed at HPP Banja rooftop
Both rooftop reference inverters recorded a high number of shutdown entries. Most of them occur around sunrise and sunset and are normal behaviour.
- Location
- HPP Banja 50kW Rooftop · Site level
- Estimated loss
- 12 kWh
- Financial impact
- €1
- Duration
- Recurring
Next step: No action required at this time