GoKawiilJülich researchers trace 60-second grid frequency dips to battery storage checks
A team led by Dirk Witthaut at Forschungszentrum Jülich, working with the University of Cologne and the Karlsruhe Institute of Technology, has identified the cause of a recurring 60-second dip in European power grid frequency first noticed by grid operator Tennet Germany. The researchers found the pattern stems from large-scale battery storage systems that check their state of charge every minute, a behavior they confirmed occurs globally, not just in Europe. The findings are published in Nature Energy.
GoKawiil's interpretation of the reporting above, not reported fact.
These minute-long fluctuations can contribute to wear on turbines and other grid equipment, so understanding their source could help operators design battery systems or scheduling protocols that reduce unnecessary strain. As battery storage deployment grows worldwide to support renewable energy integration, this kind of synchronized behavior could become more pronounced unless addressed, according to the researchers' findings.
- A 60-second grid frequency dip observed by Tennet Germany has been traced to battery storage systems' routine charge checks.
- The phenomenon is global, not limited to the European power grid.
- The wear caused by these fluctuations could inform future design of battery storage check intervals to improve grid robustness.
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Published there as: “Mystery of 60-Second Fluctuations in Power Grids Solved”
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