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Research dossier · General Reference

TC PipeLines

former publicly traded master limited partnership

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 15, 2026
Entity authorityQ16985313 ↗
Source-derived summary

TC PipeLines, LP was a publicly traded master limited partnership. TC Energy owned 25.48% of the outstanding units and controlled the general partner. TC PipeLines, LP managed and owned natural gas pipelines in the United States including 46.45% of Great Lakes Gas Transmission Limited Partnership, 50% of Northern Border Pipeline Company, 100% of Gas Transmission Northwest, and 100% of Tuscarora Gas Transmission Company. TC PipeLines, LP was based in Calgary, Alberta.

Editorial summary

Begin with the source’s own compact description: “TC PipeLines” is former publicly traded master limited partnership. The dossier treats that line as a proposition to test through PipeLines, former and publicly, not as a finished interpretation.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 71-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. For this dossier, PipeLines, former and publicly is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “former publicly traded master limited partnership” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 15, 2026. The linked authority identifier is Q16985313. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “TC PipeLines”, its source revision and the description used here.
  2. Expand the search: follow TC PipeLines primary sources, TC PipeLines archive and PipeLines research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “TC PipeLines”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “TC PipeLines” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.