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How does SolarGIS data compare to NREL TMY3 data?
Does the SolarGIS model account for dust and pollution in the air?
What are the advantages of using daily values of aerosol data instead of monthly averages?
What method is used for calculation of global tilted irradiation?
What is the accuracy of SolarGIS data?
Purchase and Payments
How to make a purchase?
What are the possible payment options?
My credit card payment was declined. How shall I proceed?
How can I order data via my company's contract/pre-paid subscription account?
How long does SolarGIS take to deliver data?
How can I change the password for an existing account?
How can I create an account?
How can I change the email address associated with my SolarGIS account?
How can I add my company logo to pvPlanner reports?
Do the temperature outputs in pvPlanner represent day-time values or 24-hour averages?
Calculations and Methods
What module efficiency is used for cSi modules? How do you account for different efficiencies of modules available on the market?
How to use horizon editor in pvPlanner?
What is the DC to AC ratio considered by pvPlanner?
pvPlanner Web Service
climData (Time Series and TMY data)
What are the benefits of using SolarGIS time series or TMY data in PVsyst instead of 12 monthly averages from iMaps/pvPlanner?
What differences can I expect between data ordered via climData and data downloaded from iMaps/pvPlanner?
Are we allowed to share purchased datasets with third party engineers and potential project investors?
What is the difference between multi-year time series and TMY data?
What time reference is used for SolarGIS time series and TMY datasets?
Time Series Data
When I open SolarGIS data file using Micorosfot excel, all data parameters are showing in one column. How can I separate the data into several columns?
What time stamp is used for SolarGIS time series datasets
There is a noticeable change in the DNI between data recorded before 2003 and afterwards. Why is this?
How can I identify time stamps with missing satellite data in SolarGIS time series?
Typical Meteorological Year Data
What are P50 , P90 or other Pxx estimates?
How is a TMY dataset prepared?
Why are meteo data for select months in TMY file different from meteo data for corresponding months in time series dataset?
Energy production obtained via use of TMY P90 data is higher in some months than that obtained via use of TMY P50 data. Is this normal?
How often are the recent historic data updated?