Good deals can often be found in times of low demand (and therefore high supply)- as hotels discount «distressed» inventory to cover costs at the expense profits. (sydneyhotelsaccommodation.com)
Much of renewable energy generation is intermittent: wind and solar power generation peaks are often around times of low demand. (theverge.com)
It is almost like an auction: if demand is high, the price will go up; and in times of low demand, the price will drop. (abajournal.com)