Living Lab Energy Campus

Built World

Provided the building-level measurements that identified the source

A Jülich-led study found the one-minute dip in 12 of the power grids it examined, on five continents, including continental Europe, Britain, Korea, Australia and both main US interconnections. The cause is battery backup units that test their power supply at the top of every minute, with clocks set over the internet.

Updated Oct 31