Only if demand increases to the point where supply cannot meet demand in a short enough time frame. Capacity is a factor here.
You buying a doughnut - even half the doughnuts - from a doughnut shop does not increase the price of the remaining doughnuts unless they can't make enough to satisfy remaining demand and people are willing to outbid you rather than wait.
Does that power station have enough capacity to satisfy the remaining demand?
You buying a doughnut - even half the doughnuts - from a doughnut shop does not increase the price of the remaining doughnuts unless they can't make enough to satisfy remaining demand and people are willing to outbid you rather than wait.
Does that power station have enough capacity to satisfy the remaining demand?