https://www.newlook.dteenergy.com/w.../dte-pages/merc/terminal-information-activity
copied from there site.
With large-capacity storage and access to low-cost bulk transportation, the Superior Midwest Energy Terminal accommodates a range of coal transshipment needs throughout the Great Lakes region. Of course there are many cars that haul to there, not just Detroit Edison trains.
MCT Capabilities
Storage for eight coal types in large volumes with the capability of storing more in the future
Blending of up to three dissimilar quality coals during the vessel loading process
5,000 TPH maximum unit train unloading rate (rotary coupler cars)
11,500 TPH maximum vessel loading rate
Routinely accommodate vessels of up to 1,000' length and two 123-car unit trains