The power is out, and people are worried.

The streetlights have gone dark, and the traffic signals flicked off. Hospitals and data centers have stopped humming as emergency generators groan to life. Across the region, everything — cars, transit, homes, and businesses — is at a standstill. Technicians monitoring the grid confirm it is a major outage. With millions of dollars in lost time on the line, it needs to be identified and repaired as quickly as possible.

Bill Reimels lives for these moments.