6-K

TRANSCANADA PIPELINES LTD (TCPA)

6-K 2026-02-13 For: 2025-12-31
View Original
Added on April 06, 2026

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of February 2026

Commission File No. 1-8887

TransCanada PipeLines Limited

(Translation of Registrants’ Names into English)

450 - 1 Street S.W., Calgary, Alberta, T2P 5H1, Canada

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F                      o                      Form 40-F                      þ

Exhibit 99.1 to this report, furnished on Form 6-K, shall be incorporated by reference into the following Registration Statements under the Securities Act of 1933, as amended, of the registrant: Form F-10 (File Nos. 333-267323 and 333-283633).

EXHIBIT INDEX

99.1 Schedule of earnings coverage calculations atDecember 31, 2025.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: February 13, 2026 TRANSCANADA PIPELINES LIMITED
By: /s/ Sean P. O'Donnell
Sean P. O'Donnell
Executive Vice-President, Strategy and Corporate Development and Chief Financial Officer
By: /s/ Yvonne Frame-Zawalykut
Yvonne Frame-Zawalykut
Vice-President and Corporate Controller

Document

EXHIBIT 99.1

TransCanada PipeLines Limited

EARNINGS COVERAGE

Supplemental Financial Information (unaudited)

Exhibit to the December 31, 2025 Condensed Consolidated Financial Statements of TC Energy Corporation

December 31, 2025

The following financial ratio has been calculated on a consolidated basis for twelve-month period ended December 31, 2025 and is based on unaudited financial information of TransCanada PipeLines Limited (the Corporation). The financial ratio has been calculated based on financial information prepared in accordance with US generally accepted accounting principles. The following ratio has been prepared based on net income:

December 31, 2025
Earnings coverage on long-term debt and current liabilities 2.4 times

The Corporation’s interest obligations for the twelve-month period ended December 31, 2025 amounted to approximately $3.386 billion. The Corporation’s earnings from continuing operations before interest expense and income taxes amounted to approximately $8.032 billion for the twelve-month period ended December 31, 2025 which is 2.4 times the Corporation’s interest requirements for that period.