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Low58%Low confidenceActive nowMPPT imbalanceINC-1064
Possible MPPT imbalance on Ring2 Inverter 1
Variation between active MPPT energy measurements is approximately 11.4%. Worth inspecting during the next site visit.
Apollo2_New · Ring2_Inverter1 · Started 12 Feb 2025, 10:15
Estimated energy loss
264kWh
Estimated financial loss
€29
Current loss rate
1.8kW
Duration
19 days
Recommended action
Add a visual check of this array to the next scheduled site visit
Why SOL detected this
- Spread between active MPPT inputs is 11.4%.
- The gap widens in the morning and narrows after midday.
- No fault codes were reported by this device.
Most likely cause
Moderate difference between MPPT inputs, most likely soiling or partial shading on one string group.
Other possible causes
- Soiling on part of the array
- Partial shading in the morning hours
- Small module mismatch
- Design difference between string groups
Recommended inspection
These steps become the technician checklist
- 1Add a visual check of this array to the next scheduled site visit
- 2Review morning shading from nearby structures
- 3Clean the affected string group if soiling is present
Actual against expected power
Peer comparison for a representative day
Expected against actual power
Units: kW by time of day
What to notice: The dashed line is what comparable inverters produced at the same time. The shaded area is the actual output.