Central Mainline Corridor Expansion Project
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Sources disagree on some of this page's facts. Each value is shown with its sources; see Sources disagree.
Central Mainline Corridor Expansion Project is a natural gas pipeline expansion in Iowa and Nebraska, operated by Northern Natural Gas Company.
| Central Mainline Corridor Expansion Project | |
|---|---|
| General information | |
| Kind | Pipeline project[1] |
| Project type | Expansion[1][2] |
| Status | Proposed[2][3] |
| Commodity | Natural gas[2][4] |
| Owner and operator | |
| Facility project | |
| States | Iowa, Nebraska[2][3] |
| Counties | Iowa: Boone, Dallas, Guthrie, Polk, Pottawattamie, Wright Nebraska: Cass, Gage, Lancaster, Otoe, Sarpy[3] |
| FERC docket | CP26-241[1] |
| Contractors | |
| Technical information | |
| Length | 25 mi[2] or 26.2 mi[3][sources disagree] |
| Pipe size | 30 in[2] or 20 in, 30 in[4][sources disagree] |
| Capacity | 535 MMcf/d additional capacity (EIA)[2] or 535,360 Dth/day of incremental winter peak day firm service[4][sources disagree] |
| Cost | $187 million (EIA estimate; no dollar year given)[2] or $187,545,623 (Exhibit K; no dollar year given)[4][sources disagree] |
| On ProvenHand | |
| Hands listed | 0 |
Central Mainline Corridor Expansion Project is a natural gas pipeline expansion in Iowa and Nebraska, operated by Northern Natural Gas Company.
Contractorsedit
| Contractor | Work | Scope |
|---|---|---|
| Stantec Consulting Services Inc.[5] | Environmental consultant (agency consultation and field surveys) | Northern's environmental consultant for the FERC application: agency and tribal consultation, wetland, species and habitat surveys (2026) |
| R. Christopher Goodwin & Associates, Inc.[5] | Cultural resources consultant (Section 106 survey) | Cultural resources survey of the Nebraska segments and the Section 106 review request to the Nebraska SHPO (April 2026) |
Crossings
| Feature | Method |
|---|---|
| Platte River (Omaha 3rd branch line loop)[6] | HDD |
Sources disagree
These sources give different values for the same fact. Each value is listed with the sources that give it.
| Fact | Values given |
|---|---|
| Capacity | |
| Cost | |
| Diameters | |
| Length |
Crew on ProvenHand
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Referencesedit
- “FERC eLibrary docket CP26-241”. Federal Energy Regulatory Commission. 17 April 2026. Retrieved 3 October 2026.
- “U.S. natural gas pipeline projects (Natural Gas Pipeline Projects)”. U.S. Energy Information Administration. Retrieved 3 October 2026.
- “Notice of Schedule for the Preparation of an Environmental Assessment for the Central Mainline Corridor Expansion Project (CP26-241)”. Federal Energy Regulatory Commission. 24 June 2026. Retrieved 3 October 2026.
- “Application for a Certificate of Public Convenience and Necessity, Central Mainline Corridor Expansion Project (CP26-241), Volume I”. Northern Natural Gas Company (filed with FERC). 17 April 2026. Retrieved 3 October 2026.
- “Response to FERC's 07/13/2026 environmental data request, Central Mainline Corridor Expansion Project (CP26-241), with agency correspondence”. Northern Natural Gas Company (filed with FERC). 3 August 2026. Retrieved 3 October 2026.
- “Response to FERC's 09/10/2026 environmental data request, Central Mainline Corridor Expansion Project (CP26-241)”. Northern Natural Gas Company (filed with FERC). 21 September 2026. Retrieved 3 October 2026.
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