In the mining industry, almost 1/3 of operating costs are from energy. Copper Mountain Mining Corporation from BC, Canada, finds success being a low cost producer. They're part of an innovative industry collaboration to maintain and improve the sector's reputation as responsible developers of B.C.'s mineral resources.
http://www.youtube.com/watch?v=zWVorzOTwJ4
Looking north, the mill processes35,000 TPD with annual copper production of 105 million lbs (plus gold & silver). (2011)