The generation expenditures vary in each of the scenarios change for at least three  (1) the size of the allowance bank made possible by early reductions driven, in part, by program spending prior to the introduction of the caps; (2) the varying levels of demand for electricity over time, resulting in changes in the overall mix of generation resources; and, (3) the gradual reduction in the banked allowances available for withdrawal necessitating additional actions to reduce emissions.
Electricity demand changes over time.
Electricity demand always stays the same.
They should be paid a super salary for their service.
Thorn was defending attacks from a woman with a dagger.
Vrenna ran away before she could be hurt.
The advertisement wanted to convey to the views that they were worth more.
Someone got stuck in the vents while trying to get into the club.
Four people are on a tree stump.