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    pvgis
    • Overview
      Photovoltaic Geographic Information System
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      • License
        European Union Public License 1.2
      • Acknowledgments
      • Credits
    • Installation
    • Tutorials
      Hands-on walkthroughs
      • Introduction
        A gentle introduction to elements of photovoltaic performance using PVGIS
      • Solar Position
        • Comparison of Positioning Algorithms
      • Optimization of Surface Position
      • Solar Irradiance
      • Photovoltaic Performance
    • CLI
      Work with PVGIS interactively
      • Features
      • Basics
        Basics of the Command Line Interface
      • Verbosity
        Show what's going on
      • Symbols
      • Timestamps
        Work with time series
      • Precision
      • Plots
        Plot time series data
      • Fingerprint
        Fingerprint calculation output
      • CSV
        Export output as CSV
      • QR Code
        Share result via a QR Code
      • Metadata
      • NumPy NumPy Array Computing
      • Logging
        Log details of a command execution
        • Introduction
        • Tools
          Estimate photovoltaic power
        • Spectrum Broadband
          Estimate photovoltaic performance over a time series based on broadband irradiance
        • Spectrally Resolved
          Estimate photovoltaic performance over a time series based on spectrally resolved irradiance
        • Spectrum Spectral Effect
        • Introduction
        • Tools
        • Global
        • Direct
        • Diffuse
          Diffuse sky- & ground-reflected irradiance
        • Introduction
        • Tools
        • TMY
        • Introduction
        • Tools
        • Overview
        • Solar Time
          All about solar time
        • Incidence
        • Introduction
        • Tools
        • Optimal Positioning
    • Web API
      • Install
      • Run
      • Examples
    • API
      • Solar Position
        Estimate photovoltaic performance over a time series based on broadband irradiance
      • Spectrum Photovoltaic power
        Estimate photovoltaic performance over a time series based on broadband irradiance
    • Reference
      • Conventions
      • PVGIS 6 vs 5
        • Solar Position
        • Solar Irradiance
        • Photovoltaic Performance
        • Tools
        • External sources
    • Source Code
        • Architecture
        • Dependencies
        • Core
          Python engineering for PVGIS
        • Logger
        • Duck Arrays
        • Data Model
          Engineering & data model factory
        • Package Init
          Dynamic Model Registration
      • Algorithms
        Solar Science written in Python
        • API
          The Core API
        • CLI
          Typer-based Command Line Interface
        • Web API
          FastAPI-based Web API
    • Development
      • Gantt
      • Roadmap
      • Conventions
      • Optimisation
      • Profiling
        Profiling of PVGIS
      • Contribution Guidelines
      • New Feature?
      • Pytest
    • Tags
    Answers Frequent Questions Frequently Asked Questions Questions

    Frequent questions

    • Common issues users might encounter
    • Frequently asked questions with concise answers.
    2025-11-25 2025-11-19
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