Enbridge received notice to proceed on Oct. 7 Enbridge Inc. has begun construction on the 122-mile natural gas pipeline expansion of the company’s East Tennessee Natural Gas (ETNG) system, set to pass through the Upper Cumberland and serve the Tennessee Valley Authority (TVA) by serving the Kingston Fossil Plant. According to Enbridge, it received the … Continue reading Enbridge begins construction on Tennessee’s 122-mile Ridgeline gas pipeline: 5 things to know