Columbia subject headings:
Electric power-plants--Environmental aspects--United States--Costs.
Environmental economics.
Harvard subject headings:
Electric power--Conservation--United States.
Electric power-plants--Environmental aspects--United States--Costs.
Energy development--Environmental aspects--United States--Costs.
Environmental economics
Externalities (Economics)
Value analysis (Cost control)
Princeton subject headings:
Electric power-plants--Environmental aspects--United States--Costs.
Environmental economics.