Dominion Virginia Power on Dec. 13 placed into service its portion of the Lexington – Cloverdale 500-kV transmission line, a spokesperson with the company told TransmissionHub on Dec. 20.
The Dominion Resources (NYSE:D) subsidiary received approval from the Virginia State Corporation Commission (SCC) to rebuild the 7.4 miles of the line in September 2012 to address NERC reliability criteria violations.
Power flow studies performed by Dominion Virginia Power and PJM Interconnection projected that by the spring of 2014, the line would have violated mandatory NERC reliability standards during periods of light system load. Furthermore, load flow models showed that the transmission facilities would not have met federally mandated NERC reliability standards if the line were not rebuilt.
The final estimated cost of the project is $21m, according to the spokesperson. Crews are currently performing rehabilitation work along the project’s right-of-way.
The Lexington-Cloverdale line runs from the company’s existing Lexington substation to Appalachian Power Co.’s Cloverdale substation in Botetourt County, Va. Appalachian Power on Dec. 19 filed an application with the SCC to rebuild its 36-mile portion of the Cloverdale – Lexington line in order to be in compliance with NERC reliability standards and to increase capacity along the line.
The company expects to begin construction in June 2014 and energize the line in June 2016. The project is estimated to cost $36m.
Appalachian Power is a subsidiary of American Electric Power (NYSE:AEP).