But questions from shareholders were mostly about building an 800-megawatt coal-fired power unit at the company's Cliffside plant about 55 miles west of Charlotte. Duke produces about 70 percent of its electricity from coal in its five-state territory.
Holly Garrett, 25, told Rogers she was concerned with mountaintop removal in Appalachian mining, which can destroy habitats. She asked Rogers if he could guarantee a stop to the practice. Duke buys coal from independent suppliers.
Duke CEO grilled by shareholders