Around 0.1USD/kWh from geothermal and hydroelectric sources. 
Actually Iceland would be a good place for a large-scale mining operation, as you can get electricity quite a bit cheaper if you're a company buying in bulk (especially off-hours).
Actually Iceland would be a good place for a large-scale mining operation, as you can get electricity quite a bit cheaper if you're a company buying in bulk (especially off-hours).