Dominion Energy Customers Saved $29 Million Thanks to Innovative Projects

- Southeastern Electric Exchange awards top honors for two transmission projects

- Mobile substation/transmission line project first of its kind in North America

- James River crossing project protective of native wildlife

Jul 5, 2017

RICHMOND, Va., July 5, 2017 /PRNewswire/ -- Dominion Energy was recognized by the Southeastern Electric Exchange for two innovative projects that protected both the environment and its customers' wallets.

Dominion Energy (PRNewsfoto/Dominion Energy)

"This project was about cutting-edge technology and creative problem-solving to maintain reliability, minimize environmental disruption and reduce project costs by millions of dollars for our customers," said Scott Miller, vice president of transmission at Dominion Energy. "We are very proud of our work on these projects and appreciate the recognition we have received from the communities and our industry peers."

Dominion Energy was an award winner for its unique approach to replace and upgrade corroded sections of 18 transmission tower foundations in the riverbed of the James. The team developed a plan to perform these complex upgrades without impacting service to customers. The team worked closely with environmental agencies to protect active peregrine falcon nests, osprey, seabirds and aquatic life.

"We saved approximately $25 million for customers by eliminating the need for new towers on the James River Foundation upgrade project," said Mark Allen, director of transmission construction. "We remained committed to creating and implementing techniques that would stabilize the existing foundations, prevent corrosion for the long-term and protect native wildlife."

Another project that received recognition was Dominion Energy's unique application of a mobile substation on the Cartersville high-voltage transmission line rebuild project in Cumberland County. Many rebuild projects require a temporary transmission line to provide electric service to nearby communities during construction, but the rough terrain and associated physical, safety and financial challenges encouraged the team to find a different solution.

Using the mobile substation as the area's interim power source, the team avoided the need to build a temporary transmission line while still maintaining a reliable connection to its customers, saving $4 million in project costs.

"The Cartersville Mobile Substation is the first 230/115-kilovolt mobile installation of its kind in North America," said Dave Roop, director of electric transmission operations and reliability. "This substation was originally designed as part of our resiliency strategy, so this project provided us with the perfect opportunity to test it in a planned environment."  

About Dominion Energy
Dominion Energy (NYSE:D) is one of the nation's largest producers and transporters of energy, with a portfolio of approximately 26,200 megawatts of generation, 15,000 miles of natural gas transmission, gathering and storage pipeline, and 6,600 miles of electric transmission lines. Dominion Energy operates one of the nation's largest natural gas storage systems with 1 trillion cubic feet of storage capacity and serves more than 6 million utility and retail energy customers. For more information about Dominion Energy, visit the company's website at www.DominionEnergy.com.

SOURCE Dominion Energy

For further information: Central: Janell Hancock, Janell.M.Hancock@dominionenergy.com, (804) 771-6115; Western: Rayhan Daudani, Rayhan.Daudani@dominionenergy.com, (804) 771-6115; Northern: Chuck Penn, Charles.Penn@dominionenergy.com, (703) 796-9308; Eastern: Bonita Harris, Bonita.B.Harris@dominionenergy.com, (757) 857-2367


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