Marquette Connector Pipeline

From Global Energy Monitor
This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.

Marquette Connector Pipeline is a proposed natural gas pipeline in Michigan.[1]


The pipeline will run from Arnold, Michigan to Negaunee Township, Michigan.

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Project Details

  • Owner: AltaGas
  • Proposed capacity: 144 million cubic feet per day
  • Length: 67.6 kilometers / 42 miles
  • Status: Operating
  • Start Year: 2019[2]


The proposed Marquette Connector is a proposed pipeline connecting the Northern Natural Gas (NNG) Transmission pipeline currently serving the region to the Great Lakes Gas Transmission pipeline system and the Upper Peninsula.[3] Engineering and permitting are currently in progress. Completion is expected in the fourth financial quarter of 2019.[1] The Marquette Connector will run approximately 42-miles and consist of two sections of pipeline. The pipeline capacity will be 144 Million Cubic Feet (MMCF) per day. The current route for the Marquette Connector will run mostly adjacent to existing gas and electric transmission line right of ways. The total cost of the project is estimated at approximately $135 - $140 million.[3]

The pipeline become operational in November of 2019.[2]

Articles and resources


  1. 1.0 1.1 Planned Pipelines, Pipeline News, accessed October 2018
  2. 2.0 2.1 Officials: Semco’s Marquette Connector Pipeline expected to be operational by end of November, Mining Journal, November 16, 2019
  3. 3.0 3.1 The Marquette Connector, The Marquette Connector, accessed October 2018

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