While at it are there similar services for public testing? I briefly remember some years ago IBM allowing shell access to one of their then new POWER systems.
Can remember that too, was sponsored by IBM at some university, but it's closed long ago, was actually really cool.
https://openpower.ic.unicamp.br/minicloud/
This Brazilian university provides free access to a Power system for developers who want to port their applications.
It looks like you can actually run your own virtual machines in a cloud-like environment: https://youtu.be/TE_4UKHrjwE