6-K

UNITEDSTATESSECURITIES 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, 2021

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 ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

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 7, 2021

FORTIS INC. TO HOLD TELECONFERENCE ONMAY 5

TO DISCUSS FIRST QUARTER 2021 RESULTSAND HOLD

VIRTUAL 2021 ANNUAL MEETING ON MAY 6

Fortis Inc. ("Fortis" or the "Corporation") (TSX/NYSE: FTS) will release its first quarter 2021 financial results on Wednesday, May 5, 2021. 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 2021 financial results.

Shareholders, analysts, members of the media and other interested parties in North America are invited to participate by calling 1.877.223.4471. International participants may participate by calling 647.788.4922. Please dial in 10 minutes prior to the start of the call. No pass code 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 conference will be available two hours after the conclusion of the call until June 5, 2021. Please call 1.800.585.8367 or 416.621.4642 and enter pass code 5765755.

Fortis will hold its Annual Meeting of Shareholders online on Thursday, May 6, 2021 at 9:00 a.m. (Eastern), 10:30 a.m. (Newfoundland). For more information on the virtual Annual Meeting and how to participate, please visit the Corporation's website at https://www.fortisinc.com/investor-relations/2021-annual-meeting.

About Fortis

Fortis is a well-diversified leader in the North American regulated electric and gas utility industry, with 2020 revenue of $8.9 billion and total assets of $55 billion as at December 31, 2020. The Corporation's 9,000 employees serve utility customers in five Canadian provinces, nine 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.sedar.com, or www.sec.gov.

For further information contact