I got around this by creating (and of course doing chmod +x on) a script at /lib/systemd/system-shutdown/apcups-killpower
#!/bin/sh if [ "$1" = "poweroff" -a -f /etc/apcupsd/powerfail ]; then /etc/apcupsd/apccontrol killpower fi Idea from https://wiki.archlinux.org/index.php/APC_UPS#Make_apcupsd_kill_UPS_power_once_the_hibernate_is_done (with credit to djgera https://bbs.archlinux.org/viewtopic.php?pid=1354737#p1354737 and fsateler https://github.com/systemd/systemd/issues/4894#issuecomment-267372354) ** Bug watch added: github.com/systemd/systemd/issues #4894 https://github.com/systemd/systemd/issues/4894 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634572 Title: APCUPSD does not send killpower command to UPS (only happens on Ubuntu 16.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apcupsd/+bug/1634572/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs