Before revision: Derivation First, all the individual power plants of a specific type (Pearce used nuclear plants in the initial derivation) can be viewed as a single aggregate plant or ensemble and can be observed for its ability to mitigate emissions as it grows.
After revision: Derivation First, all the individual power plants of a specific type can be viewed as a single aggregate plant or ensemble and can be observed for its ability to mitigate emissions as it grows.