It is great you are interested in our pricing model.
The most up to date information can be found on the 'pricing' page on our website:
At the time of the writing of this article, historical solar radiation data extracts start at $50/site/year with bulk discounts available (Contact Us).
Our entry level forecasting API access uses a monthly subscription model, with the entry level "Paid" tier starting at $45/site/month.
All prices are in US Dollars (USD).