Dean Crispen

Built World

Leading department as investigators assess substation fire conditions and response

San Francisco is the kind of city that feels unstoppable—until the lights go out. On Saturday, a substation fire near 8th and Mission helped trigger a blackout that spread across neighborhoods and knocked out traffic signals. Restoration took more than two days and sparked political backlash and raised questions about whether a modern city can tolerate single-point failures in critical infrastructure.

Updated May 16