Concept
Dunkelflaute
A German term referring to a weather phenomenon in which sustained multi-day low wind speeds and overcast skies result in very low solar and wind power generation, posing challenges to energy storage systems.
Timeline (last 90 days)
Oct 21
Texas storage duration is generally on the order of 2-4 hours, which is still difficult to fully cover Dunkelflaute caused by multiple consecutive days of low wind speeds or overcast skies.
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