Importing NREL's NSRD data
Ground stations TMY2/3 data files can be directly imported into PVsyst:
- First download the desired file from the web site referenced above.
- TMY2: zipped files of 235 kB, 1961-1990 dataset (MTS1) -> download
- Choose the "DOS" format and store it in a temporary directory; then expand the file (these are self-extracting files, of the form
12345.EXE).
- Choose the "DOS" format and store it in a temporary directory; then expand the file (these are self-extracting files, of the form
- TMY3: CSV file, 1.8 MB, 1991-2005 dataset (MTS2) -> download
- Please choose:
Individual Station Files:In alphabetical order by state and city
ORIn numerical order by USAFN number
- Please choose:
- TMY2: zipped files of 235 kB, 1961-1990 dataset (MTS1) -> download
- The files are referenced as station code numbers. If desired you may rename them for easier identification.
- Returning in PVsyst, choose
Databases / Import Weather Data / NREL National Solar Resource Database, and follow the instructions on the screen. The site specifications (name, geographic coordinates) are automatically read from the TMY file.
Importing a TMY file will produce a PVsyst hourly weather data file (*.met) with Global and Diffuse irradiance, temperature and wind velocity, as well as a geographic site file (*.sit).