Transcontinental Gas Pipe Line Company (Transco) is seeking Federal Energy Regulatory Commission (FERC) approval to construct, install, modify, operate, and maintain its Commonwealth Energy Connector project. The purpose of the project is to provide an additional 105,000 dekatherms per day (Dth/day) of firm transportation service beginning with the 2025/2026 winter heating season.
Modifications at Compressor Station 168 in Mecklenburg County, Virginia, will include the installation of one 33,000-hp (24,618-kW) electric motor-driven compressor with gas cooling and a vent gas reduction system to increase the existing certificated compressor station horsepower from 33,000 to 66,000 hp (49,236-kW). This is in addition to the compression introduced in Transco’s Southside Reliability Enhancement project, which includes one 30,500-hp (22,753-kW) electric motor-driven compressor unit driving a Solar centrifugal gas compressor added to Compressor Station 168.
Transco will also add approximately 6.35 miles (10-km) of 24-in. (609-mm) pipeline extension to its South Virginia Lateral B-Line (referred to as the Commonwealth Loop) in Brunswick and Greensville Counties, Virginia, and appurtenant facilities such as valves and pigging facilities. Transco will also modify and install new facilities at the existing Emporia metering and regulating station in Greensville County, Virginia, to increase delivery quantities by 105,000 Dth/day.
