"energy equilibrium" refers to a state where the amount of energy being used or consumed is balanced with the amount of energy being produced or replenished. It suggests a state of harmony or balance in the energy usage and supply. Full definition
If a system is only in local energy equilibrium then different parts of the system can have different amounts of energy. (globalwarmingsolved.com)
As we will see below, it seems to be rapid enough to keep the atmosphere in complete energy equilibrium over distances of hundreds of kilometres. (globalwarmingsolved.com)
So a small amount of change in any of the greenhouse gases concentration will have effects on the global energy equilibrium. (notrickszone.com)