/etc/cobbler/power/ is in maas-provision-common 2.2.2-0ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/etc/cobbler/power/power_apc_snmp.template
/etc/cobbler/power/power_bladecenter.template
/etc/cobbler/power/power_bullpap.template
/etc/cobbler/power/power_drac.template
/etc/cobbler/power/power_ether_wake.template
/etc/cobbler/power/power_ilo.template
/etc/cobbler/power/power_integrity.template
/etc/cobbler/power/power_ipmilan.template
/etc/cobbler/power/power_ipmitool.template
/etc/cobbler/power/power_lpar.template
/etc/cobbler/power/power_rsa.template
/etc/cobbler/power/power_sentryswitch_cdu.template
/etc/cobbler/power/power_virsh.template
/etc/cobbler/power/power_wti.template