The website does not reflect future prices for a system. But if you are still interested, we might help.
We will be able to support installations for which contract is signed by the end of 2017. The installations need to finish by end of April 2018. After that we will not be able to help anymore.
To proceed with our current installations we need 13 more Pass-Through-Partners. If you can receive tax credit, then consider investing $5,400. Your return will be $6,000 within 4 years by the way of tax credit.