After 10 days running with Coolminer 1.3 the stats:

Windows 10 Pro 1803 - 398.11 NV driver

2x1070 MSI Armor
1x 1080 Gigabyte 1080 Aurus
3x 1080Ti Inno3d Ichill x4
Overall average: 16,273MH/s with average 717W power consumption at the wall, and 0,3-1% stale share on intensiti 19.