More Solar Online Tools Questions

• How accurate is the data in the Solar Time Series Tools?
• The datasets give different answers. Which one is right?
• Why do the values in my TMY file change?
• Which weather data source should I pick?
• Why are there so many (5) different versions of solar data?
• What updates were applied to the datasets in November 2019?
• What solar values are shown on the map in solar prospecting and solar time series tool?
• How do I enter a location?
• Why does the map disappear?
• How do I interpret the graphs provided by the Monthly Mean Irradiance Tools in the Prospecting Tools?
• What do the Annual Mean Irradiance Tools in the Prospecting Tools provide?
• How can I compare sites side-by-side in the Prospecting Tools?
• How much area is covered by the Solar Prospecting Tools?
• How accurate are the Solar Prospecting Tools?
• What data is shown in the Solar Time Series Viewer?
• What data can I get from the Solar Time Series Download tool?
• What is the Vaisala 1.0 dataset?
• What is the Vaisala 1.1 dataset?
• What is the Vaisala 1.2 dataset?
• What is the Vaisala 2.0 dataset?
• What is the Vaisala 2.1 dataset?
• What are the units of irradiance?
• What is the “TMY” Data Type in the Solar Time Series Download tool?
• What is the “Long-Term” Data Type in the Solar Time Series Download tool?
• Why does the data not match my observations?
• How do I input CSV files into PVSyst?
• How can I input time series data into PVSyst?
• What is Global Horizontal Irradiance?
• What is Direct Normal Irradiance?
• What is Diffuse Horizontal Irradiance?
• What affects solar radiation at a given site?