http://www.alcoa.com/global/en/what-we-do/energy/default.asp http://www.alcoa.com/global/en/what-we-do/energy/default.asp Alcoa has a whole division for energy

http://www.alcoa.com/global/en/what-we-do/energy/default.asp http://www.alcoa.com/global/en/what-we-do/energy/default.asp Alcoa has a whole division for energy generation. Their energy plants are collocated with aluminum plants, most like the Warrick operation are coal but they do have a hydro plant.