performance-ratio

Townsend snow loss (via pvlib) + precipitation-aware soiling model using monthly climate inputs (manual-clean option); month-by-month results to support EPC yield estimates and O&M cleaning plans.

Free, browser-based PV performance calculators for solar engineers. CUF, PR, soiling loss, Grid loss, Grid Availability, and more. All calculations run locally—no data leaves your device.

115 kWp commercial rooftop PV energy yield model in Python (Jupyter, pandas, matplotlib) using PVGIS ERA5 solar data (2005 to 2023) and HelioScope simulation

Off-site forest shading vs row-to-row shading on cross-slopes in an autumn IEC 61724-1 PV acceptance (PAC) test: a hypothetical 10 MWp tracker plant next to a real Meta/WRI 1 m canopy height window, ERA5 weather, and SCADA from an independent, more detailed simulator.

Python-based solar performance analytics project for analyzing photovoltaic system efficiency using data preprocessing, visualization, and performance ratio analysis.

Monthly budget-to-actual energy bridge (waterfall) for PV plants: P50 budget from PVGIS with pvlib, PR and weather-corrected PR, example guarantee tests and irradiance sensor QC, verified with injected losses on NREL PVDAQ and a synthetic Polish plant.

Key performance indicators for operating PV, wind and battery assets: PR, availability, energy bridge, power curves, reliability, RTE, cycles, capacity tests and contract damages