This compose for POWER ppc64 and ppc64le has all the same components as mainline RC3 (hence the version number). Please test and update the test matrix and report any issues.
https://fedoraproject.org/wiki/Category:Fedora_22_PowerPC_Test_Results
http://ppc.koji.fedoraproject.org/compose/22_RC3/22/
Cloud images are still in process, I will reply here once they are complete