6-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of April, 2024

Commission File Number: 001-37915

Fortis Inc.

Fortis Place, Suite 11005 Springdale StreetSt. John's, Newfoundland and LabradorCanada, A1E 0E4

(Address of Principal Executive Office)

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 ☐ Form 40-F ☒

EXHIBITS

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.

Exhibit 99.1

St. John's, NL – April 3, 2024

FORTIS INC. TO HOLD TELECONFERENCE ON MAY 1

TO DISCUSS FIRST QUARTER 2024 RESULTS AND

HOLD ANNUAL AND SPECIAL MEETING ON MAY 2

Fortis Inc. ("Fortis" or the "Corporation") (TSX/NYSE: FTS) will release its first quarter 2024 financial results on Wednesday, May 1, 2024. A teleconference and webcast will be held the same day at 8:30 a.m. (Eastern). David Hutchens, President and Chief Executive Officer and Jocelyn Perry, Executive Vice President and Chief Financial Officer will discuss the Corporation's first quarter financial results.

Shareholders, analysts, members of the media and other interested parties are invited to listen to the teleconference via the live webcast on the Corporation's website, https://www.fortisinc.com/investor-relations/events-and-presentations.

Those members of the financial community in North America wishing to ask questions during the call are invited to participate toll free by calling 1.800.717.1738 while those outside of North America can participate by calling 1.289.514.5100. Please dial in 10 minutes prior to the start of the call. No passcode is required.

A live and archived audio webcast of the teleconference will be available on the Corporation's website, www.fortisinc.com. A replay of the teleconference will be available two hours after the conclusion of the call until June 1, 2024. Please call 1.888.660.6264 or 1.289.819.1325 and enter passcode 46112#.

Fortis will hold its 2024 Annual and Special Meeting of Shareholders on Thursday, May 2, 2024 at 9:00 a.m. (Eastern), 10:30 a.m. (Newfoundland), in-person and online. Shareholders can attend the meeting in person at the Fortis Energy Centre, 5 Springdale Street, 4^th^ floor, St. John's, NL. A link to the virtual platform and how to participate will be available on the Corporation's website, www.fortisinc.com/investor-relations/2024-annual-meeting/. Participants will be able to submit questions for management during the Q&A portion of the webcast.

About Fortis

Fortis is a well-diversified leader in the North American regulated electric and gas utility industry with 2023 revenue of $12 billion and total assets of $66 billion as at December 31, 2023. The Corporation's 9,600 employees serve utility customers in five Canadian provinces, ten U.S. states and three Caribbean countries.

Fortis shares are listed on the TSX and NYSE and trade under the symbol FTS. Additional information can be accessed at www.fortisinc.com, www.sedarplus.ca, or www.sec.gov.

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