What period of historical data is available? Where is historical data available?

What period of historical data is available? Where is historical data available?

A guide to historical solar irradiance data access

Having accurate solar irradiance data is crucial to any solar operations. With Solcast, you can have access to high certainty historical data API. Here’s how to retrieve your required data!

To start off, you must register to Solcast toolkit account.

Follow these easy steps on how to access historical solar irradiance data:

  1. Choose whether you need a Time Series or TMY data.
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  1. Enter your location of interest, and you'll then see the data availability show up just below the map image.
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Review historical data availability without logging in:

Another quick option for checking our historical solar radiation data coverage and availability is at our global coverage page. Read about it here.