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The Satellight Meteo data may be obtained free from the web site www.satellight.com. Nevertheless you should register on this site.

First, make sure that your browser accepts cookies, unless several features of the site will not operate correctly, and you will not be able to choose your site.

Then you are required to register, or give your  Identifier and Password.  Press "Login" button.

Then press "Site"  in the main menu, and follow the  Satellight  procedure for choosing your site or location:

1. - Select the Region on the map

2. - Select your site.

If available, you are advised to choose your site in the Database, so that its name will appear in the file and be directly set in PVsyst. The available countries are grouped according to the previous "Region" choice.

Pressing "Next" leads to the "Site selection" panel. If you are blocked for more than 20-30 sec here, please check that you are accepting cookies…

If not found in the database, you can also specify any location by its coordinates (latitude and longitude).

NB: GoogleEarth provides an easy mean for the determination of the geographical coordinates of your system.

4. - Time Period:  choose  

- From Sunrise to Sunset

- Clock time - The tool in PVsyst is designed for using legal time, not solar time data.

- All years or only specified ones  (PVsyst will create files for one year at a time, but you will be able to choose any of the present years in this file when importing).

- Always choose All months.

5. - Outdoor Solar Informations:

1. - Solar information        Nothing to define

2. - Irradiances

2.1 - Surface type:        Horizontal

2.2 - Parameters:        Global and Diffuse

2.3 - Informations:        Useful for printed outputs only.

         You have to choose at least one of these possibilities.

6. - Outdoor Daylight Informations:

- Nothing to choose, concerns Illuminance data for natural lighting studies.

7 - Submit

The site will perform the calculations, and send you an e-mail within a few minutes for downloading your results, as a  zipped file "SiteName.tsv" file,  or   "Lat_Long_.tsv"). After Unzipping, this file can be readily imported in PVsyst.