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PVGIS

Easily calculate solar energy potential and visualize it with PVGIS mapping tool. Empower your solar projects with accurate data insights and precision.

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PVGIS

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  1. Solar Energy Calculator and Mapping Tool - PVGIS Discover accurate solar energy estimates with PVGIS. Utilize our PVGIS Calculator for Europe and France to optimize your solar power potential. Trust PVGIS for reliable solar estimations and enhance your energy efficiency.

  2. Quick Steps Enter Address 1 The first step is to enter the address of the solar production site. This can be done by typing in the address or by using the map to pinpoint the location. Zoom In 2 Once the address is entered, you can zoom in on the map to get a more precise location. This is important for ensuring that the solar radiation data is accurate. Opacity and Legend 3 The opacity and legend settings control the visualization of solar irradiance on the map. It is recommended to keep the default settings. Terrain Shadows 4 PVGIS can calculate the effect of terrain shadows on solar radiation. This is important for sites that are located near hills or mountains. You can either use the calculated horizon or upload your own horizon data.

  3. Solar Production Estimation Grid Connected 1 This option is recommended for roof-mounted production sites connected to the public grid. It calculates the energy production of a photovoltaic system connected to the grid. Tracking PV 2 This option calculates the energy production of a photovoltaic system that uses tracking technology to follow the sun throughout the day. Off-Grid 3 This option calculates the energy production of a photovoltaic system that is not connected to the grid. It takes into account battery capacity, discharge cutoff limit, and daily consumption. Monthly, Daily, Hourly Data 4 These options provide detailed solar radiation data for different time periods. This data can be used to analyze the performance of a photovoltaic system or to design a new system.

  4. Solar Radiation Databases PVGIS-SARAH2 This database is produced by CM SAF and covers Europe, Africa, most of Asia, and some parts of South America. It has a time range of 2005-2020. PVGIS-SARAH This database is also produced using the CM SAF algorithm. It has a similar coverage to SARAH-2 but a time range of 2005-2016. PVGIS-NSRDB This database is a result of collaboration with NREL (USA) and provides the NSRDB solar radiation database to PVGIS. It has a time range of 2005-2015. PVGIS-ERA5 This database is the latest global reanalysis from ECMWF (ECMWF). It has a time range of 2005-2020.

  5. Daily Radiation Profile Data Crystalline Silicon CIS or CIGS Cadmium Telluride (CdTe) Other/Unknown This is the default option and represents the majority of rooftop- installed solar panel technology. PVGIS does not differentiate between polycrystalline and monocrystalline cells. This option represents thin-film modules made from CIS or CIGS. It takes into account the temperature dependence of these technologies. This option is used for technologies that are not specifically supported by PVGIS. It assumes an 8% power loss due to temperature effects. This option represents thin-film modules made from cadmium telluride (CdTe). It takes into account the temperature dependence of these technologies.

  6. Installed Peak PV Power This is the power that the manufacturer declares the photovoltaic system can produce under standard test conditions. It should be entered in kilowatt-peak (kWp). For example, if you have 9 panels each with a capacity of 500 Watts, you would enter 4.5. (9 panels x 500 Watts = 4500 Watts, which is 4.5 kilowatts)

  7. System Loss Estimation PVGIS provides a default value of 14% for overall losses in the solar electricity production system. This encompasses all losses within the system, resulting in the actual energy supplied to the electrical grid being less than the energy produced by the photovoltaic modules. If you have a good idea that your value will be different (perhaps due to a highly efficient inverter), you can slightly reduce this value.

  8. Mounting Position Free-Standing Roof Added/Building Integrated Modules are mounted on a rack with free air circulation behind them. This is the most common type of mounting for rooftop installations. Modules are fully integrated into the structure of a building's wall or roof, with little or no air movement behind the modules. Pvgis

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