COAL ASH: N.C. orders Duke to fix more leaking pipes at its dams Published: Friday, June 27, 2014 North Carolina regulators are asking Duke Energy Corp. to fix additional leaking pipes in its coal ash dams. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.