Good news, everyone!
We have employed brand new PPC64LE OpenStack P8 machines to build us our cool packages! Please, try them out (fedora-23-ppc64le, fedora-24-ppc64le, fedora-rawhide-ppc64le) and let us know if they work (or don't work) for you.
clime
copr-devel@lists.stg.fedorahosted.org