Company: TCPA
Filing Date: 2025-02-14
Form Type: 40-F
Source: 0001232384-25-000018
Chunk: 0

Company: TRANSCANADA PIPELINES LTD
Filing Date: 2025-02-14
Form: 40-F
Chunk 0
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#### U.S. Securities and Exchange Commission

#### Washington, D.C. 20549

#### Form 40-F
| ☐  |     | REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934    |
| OR |     |                                                                                         |
| ☒  |     | ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

<div align='center'>For the fiscal year ended December 31, 2024</div>

### TC ENERGY CORPORATION
<div align='center'>(Commission File Number 1-31690 )</div>

### TRANSCANADA PIPELINES LIMITED
<div align='center'>(Commission File Number 1-8887 )

(Exact name of Registrant as specified in its charter)</div>

#### Canada
<div align='center'>(Province or other jurisdiction of incorporation or organization)</div>

#### 4922, 4923, 4924, 5172
<div align='center'>(Primary Standard Industrial Classification Code Number (if applicable))</div>

#### Not Applicable
<div align='center'>(TC Energy Corporation)

(I.R.S. Employer Identification Number (if applicable))</div>

#### 52-2179728
<div align='center'>(TransCanada PipeLines Limited)

(I.R.S. Employer Identification Number (if applicable))</div>

#### TC Energy Tower, 450 - 1 Street S.W.

#### Calgary, Alberta, Canada, T2P 5H1
<div align='center'>( 403) 920-2000

(Address and telephone number of Registrant's principal executive offices)

TransCanada PipeLine USA Ltd., 700 Louisiana Street, Suite 700</div>

#### Houston, Texas, 77002-2700; ( 832) 320-5201
<div align='center'>(Name, address (including zip code) and telephone number (including area code)

of agent for service in the United States)

Securities registered or to be registered pursuant to Section 12(b) of the Act:</div>

| Title of each class                                                                     |     | Trading Symbol(s) |     | Name of each exchange on which registered |
| Common Shares (including Rights under Shareholder Rights Plan) of TC Energy Corporation |     | TRP               |     | New York Stock Exchange                   |

<div align='center'>Securities