peaking

1. The act of something reaching a peak. · The peaking of each of these hormone levels may occur at different times.
2. The act of something operating when something else is at a peak.
3. The act of generating extra electricity while demand for it is at a peak (e.g., at certain times of day, in very hot weather, in very cold weather). · Currently their best stopgap for peaking in this region is a vast fleet of small diesel gensets, which many residents are furious about.

الجمع peakings