This undated photo provided by Duke Energy Corp., shows the Cliffside Steam Station in Rutherford County.
This undated photo provided by Duke Energy Corp., shows the Cliffside Steam Station in Rutherford County. Duke Energy
This undated photo provided by Duke Energy Corp., shows the Cliffside Steam Station in Rutherford County. Duke Energy

Regulators frustrated at slow pace of Duke coal ash stormwater controls

March 03, 2014 1:07 PM