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Water Quality

Cowans Ford

Water consumption

Water is a shared natural resource that is critical to the production of electricity. We use water every day in a variety of ways to generate the reliable power our customers demand. These include:

Water conservation
We are the first company in Florida to build and operate more than 2,000 megawatts of generation using alternative water supplies. Our Hines Energy Complex uses treated wastewater from the town of Bartow, Fla., and a "water cropping" system to capture and re-use storm water.

  • Since December 2002, we have partnered with Volusia County, Fla., to transfer wastewater from our DeBary Plant to the county’s reclaimed water system.
  • We are the first company in Florida to build and operate more than 2,000 megawatts of generation using primarily alternative water supplies. Our Hines Energy Complex uses treated domestic wastewater from the town of Bartow, Fla., and uses a water-cropping system to capture and re-use storm water.
  • We are the first utility to use the innovative ZENON ABMet bioreactor system as part of our wastewater treatment process. The bioreactor uses naturally occurring nontoxic and nonpathogenic microbes to remove metals from water after it has been used in our clean-air equipment. The bioreactor is currently installed at our Allens, Belews Creek, Mayo and Roxboro and plants and is designed to remove 95 percent of selenium and 90 percent of mercury from the water it treats.
  • In 2008, we implemented a number of water conservation measures in our downtown Raleigh, N.C., office buildings. These actions included converting about 500 sinks, toilets and urinals to low-flow devices. We also no longer irrigate our landscape with city water; instead, we use recycled water captured from the weekly mandatory tests of our fire pumps. Along with other actions, these measures save more than 2,300,000 gallons of water each year.
  • The Duke Energy Center, our headquarters building located in Charlotte, NC, incorporates industry-shaping measures such as rainwater harvesting to provide irrigation for the campus and adjoining park. 26 million gallons per year of ground water and HVAC condensation are also reclaimed and treated to provide all make-up water for the tower's cooling system.

Lake Management

To protect our rivers and lakes in the Carolinas, Duke Energy has developed a comprehensive lake management plan.