Path-Q Solar
What solar monitoring data should I check each month?
Answer
Check total production, production by inverter or array section, system availability, alerts, and any unusual changes from comparable periods. Also compare production with weather, shading, outages, and your electricity bills so that a data or billing problem is not mistaken for a system problem.
Key points
- Review monthly and daily energy production and compare with prior comparable periods.
- Check inverter status, communications, downtime, and fault history.
- Look for unexplained differences among inverters, strings, or module groups.
- Review battery charge, discharge, reserve, and backup status if storage is installed.
What it depends on
- Monitoring system capabilities
- System configuration and expected seasonal production
- Weather, shading, snow, soiling, and outages
- Utility billing and export data
Risks and trade-offs
- Monitoring data may be incomplete or delayed without indicating a production loss.
- Seasonal and weather-related variation can look like a fault.
- Frequent manual intervention can create safety risks if equipment is accessed improperly.
Information you may need
- Monitoring login and system configuration
- Expected production or historical baseline
- Utility bills and export records
- Alert history and maintenance records
Your next step
What to do next
Create a monthly log of production, availability, alerts, and utility data, then investigate persistent unexplained changes rather than isolated fluctuations.
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