Project Summary
A European developer and owner of solar projects required a robust performance analytics platform to monitor, validate, and compare real-time plant generation data against forecasted and satellite-derived benchmarks. The goal was to streamline operational reporting, verify generation anomalies, and support data-driven asset management.
Challenge
Solar plants often underperform due to weather variability, equipment malfunction, or data inconsistencies. The client needed a lightweight but technically robust tool that:
- Cross-validates generation data using satellite and ground-station irradiance
- Detects anomalies against expected energy yields
- Produces actionable daily and monthly performance summaries
- Consolidates data integrity, assumptions, and forecast comparisons in a single console
Solution
We developed a custom Performance Analytics Console, leveraging dynamic and structured dashboards to provide:
Automated Data Validation:
- Hourly data checks from SCADA, satellite (East and West), and ground stations
- Highlighting of data gaps or inconsistencies
Performance Indexing:
- Generation deviation calculations vs. forecasted and modeled expectations
- Daily and monthly summaries of over- and under-performance
Dynamic Reporting:
- Generation data visualized against irradiance (GHI and GTI)
- Console interface with input fields for a wide range of inputs
Forecast Benchmarking:
- Integration of PVsyst simulation outputs for baseline energy expectation
- Adjustable assumptions for near-term diagnostics
Key Results
Fully automated with time-step reporting
Satellite vs. on-site data triangulation
Custom input for degradation, tilt effects, and plant-specific variables
Modular tabs for expected generation, integrity review, and raw data logs
Impact
The client now benefits from:
- Enhanced visibility into daily and monthly performance
- Proactive detection of deviations from expected generation
- Evidence-backed diagnostics to support maintenance and O&M decisions
- Reduced downtime and improved forecasting reliability
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