How to download and test Solcast TMY and Time Series data in just minutes for FREE

Solcast day-ahead irradiance and power forecasts are now improved by 15% to 35%

09 October 2019

How to download, test and validate Solcast historical Time Series and TMY data for FREE!

We believe in FREE

At Solcast, we always start our new users off with a generous allocation of free data. No referrals or a credit card, no surprise subscription at the end of a set trial period - just FREE data to get you started.

Our team philosophy that you should be given a selection of Solcast data, from anywhere in the world to test, validate and explore prior to making any purchasing decisions. That's good news for you - as all you have to do is Register for the Solcast API Toolkit to automatically get account credit straight-away, no questions asked.

Free data, now what? Download some historical data!

We suggest that you use your free data credits to download your own sample TMY or historical Time Series file. This only takes a matter of minutes to achieve through the Solcast API Toolkit, and in this post, we're going to show you how!

Video - TMY Data Download

Video - Time Series Data Download

Download Solar Irradiance Data - Now What?

All of the historical and TMY data in the API Toolkit is ready to import into your preferred PV software. Select and download one file type - or grab them all (without paying extra!).

The Solcast API Toolkit directly supports PVsyst, SAM, and HomerPro. Plus - we also provide a generic Solcast CSV format that can be read by your preferred third party software.

Read more on our integration capabilities here.

Dr. Nick Engerer

Dr. Nick Engerer

Solcast CTO • Author

Nick is an expert in the field of solar radiation and distributed solar PV modelling, and has co-founded Solcast out of a sincere desire to enable others to build the solar-powered future.

Read more about Dr. Engerer's scientific papers

Solar Power Forecasting