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Registration & Participation Forms

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Please sign agreements and return to Duke Energy Ohio. If the supplier will accept a scanned copy of the fully executed agreements, the documents can be emailed to If a fully executed original is needed, please mail to the address below. (Mark the registration packet as containing "Confidential Information"):

Mail to:

Duke Energy Ohio
Certified Supplier Business Center 
139 E 4th St. 
Mail Location: EX396

Cincinnati, Ohio 45202