Solar Performance Optimization

A solar PV system is a long-term asset. Over its 25+ year operational life, performance can degrade due to equipment aging, environmental factors, installation issues, or suboptimal maintenance. Technical Solutions provides performance improvement and post-installation support services to ensure solar systems continue to deliver their designed energy output.

Auditing

Technical Solutions conducts comprehensive solar system audits for both new and existing installations:

• Visual inspection — checking module condition, mounting integrity, cable routing, and connection quality
• Thermal imaging — identifying hot spots, failing cells, and connection issues using infrared cameras
• I-V curve tracing — measuring actual module and string performance against rated specifications
• Inverter performance review — analysing conversion efficiency, fault logs, and operating parameters
• Electrical system review — checking protection settings, earthing, and cable condition
• Documentation review — verifying as-built drawings against actual installation

Yield Verification

We compare actual system output against design predictions to identify performance gaps:

• Performance ratio calculation — measuring actual yield against theoretical maximum for site conditions
• Specific yield analysis — kWh/kWp comparison across system sections and over time
• Loss analysis — quantifying losses from shading, soiling, temperature, cable resistance, clipping, and downtime
• Benchmarking — comparing performance against similar installations in comparable locations

Troubleshooting

When systems underperform, Technical Solutions provides diagnostic investigation:

• Inverter fault diagnosis — interpreting error codes, communication failures, and protection trips
• String-level analysis — identifying underperforming strings through electrical measurement
• Module-level diagnosis — detecting PID, micro-cracking, delamination, and cell degradation
• Grounding and insulation issues — identifying earth faults and insulation degradation
• Communication and monitoring faults — resolving data acquisition and connectivity problems

Monitoring

Ongoing performance monitoring enables early detection of issues:

• Remote monitoring setup — configuring inverter and system monitoring platforms for real-time data access
• Alarm configuration — setting performance thresholds that trigger alerts for underperformance or faults
• Periodic reporting — scheduled performance reports with trend analysis and recommendations
• Data-driven maintenance — using monitoring data to prioritise and schedule maintenance activities

Long-Term Performance Improvement

Technical Solutions helps asset owners protect and improve system performance over time:

• Cleaning programme design — scheduling based on soiling rates and economic analysis
• Inverter firmware updates — applying manufacturer updates for improved performance and reliability
• System re-commissioning — periodic re-testing and adjustment of protection and control settings
• Component upgrade recommendations — advising on module or inverter replacement when repair is no longer economic
• Warranty claim support — assisting with manufacturer warranty claims for confirmed equipment defects

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