duck curve → καμπύλη της πάπιας, καμπύλη κατανάλωσης ηλεκτρικής ενέργειας κατά τη διάρκεια της ημέρας
The duck curve is a graph of power production over the course of a day that shows the timing imbalance between peak demand and renewable energy production. Used in utility-scale electricity generation, the term was coined in 2012 by Karen Edson of the California Independent System Operator.
Duck curve - Wikipedia