Introduction
Energy yield estimation predicts how much electricity your PV system will produce over time. Accurate forecasting is essential for financial modeling, equipment sizing, and project bankability.
Data Needed
- Solar irradiance data (GHI, POA)
- PV module specs
- System losses
- Site location and orientation
Estimation Process
- Collect long-term weather and irradiance data (PVGIS, Meteonorm).
- Adjust for tilt, azimuth, and shading.
- Apply loss factors (temperature, wiring, inverter, soiling).
- Calculate annual and monthly AC yield.
Tools
The PV Yield Calculator streamlines these steps, producing useful reports.
Energy Yield Estimation