@bene449, i know your generalizing and i agree regarding OMH. Thou for everyone, in the latest announcement GMC depict a plan of 8 furnaces with expected profit of $127.9m pa. I also believe that the power costs would be known; as they have locked in electricity prices and have known running cost of these furnaces from previous installation.
I just thought i would share my personal view of price valuation: Would be interested in others 'constructive' feed back/view of the below:
