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Hanno Zulla

@hzulla@infosec.exchange View on infosec.exchange

Nerd, dad, Lego aficionado, software developer, occasional business guy, regretful sysadmin of an escalating smart home setup.

I sometimes post about my work, but views are my own.

I'm with the crew at epublica.de

  • 3 posts
Hanno Zulla @hzulla@infosec.exchange

This is FASCINATING. Researchers were able to pin down the cause of measurable global 60 second power spikes to software that does regular checks on the minute mark. They found large scale battery installations as one major cause, but obviously this is true for any other computerized system that does cron jobs and has a synchronized clock. As weird as it sounds, adding random 0-59.999s delays to cron jobs in Linux distributions and other software would actually help the power grid.

fz-juelich.de/en/news/archive/

Mystery of 60-Second Fluctuations in Power Grids Solved Why do our grids show a brief spike in electricity demand every minute? A team led by Dirk Witthaut from Forschungszentrum Jülich has now demonstrated that this is due to regular power checks carried out by large-scale battery storage systems. These findings could help to make our electricity supply more robust, as the team reports in an article published in Nature Energy.

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