Reference

Reference guide to PVGIS

Use this section to understand the core concepts behind PVGIS: solar positioning, irradiance transposition, photovoltaic performance, and key project conventions.

• Conventions - Naming, notation, and shared assumptions
• Solar Position - Sun-surface geometry and angular variables
• Solar Irradiance - Radiation components and transposition models
• Photovoltaic Performance - From irradiance to power output
• FAQ - Common reference questions

External resources and tools

PVGIS builds on methods, datasets, and software from the wider community.

• Tools
• Resources

Compare with PVGIS 5.2

• PVGIS 6 vs 5.2 - Feature-level comparison with the legacy PVGIS 5.2 workflow