Expansion to carry natural gas from NW Alberta and NE BC to markets in Canada and the US. Pipeline construction started in 2017 and finish will finish in Q2 2018. Nova Gas Transmission system will add 230 kilometers of pipeline and two compressor stations. According to TransCanada, the status of the 8 components of the expansion are: Northwest Mainline Loop No. 2: Bear Canyon — Operational Liege Lateral Loop No. 2: Pelican Lake — Operational Kettle River Lateral Loop: Christina River — Operational Northwest Mainline Loop: Boundary Lake, spread 1 — Operational Grande Prairie Mainline Loop No. 2: McLeod River — ISD Q3 2017 Otter Lake Compressor Station Unit Addition — Q4 2017 Alces River Compressor Station — Q4 2017 Northwest Mainline Loop: Boundary Lake, spread 2 — ISD Q2 2018