Hydro One 6-K Hydro One to invest in critical electricity infrastructure to support mining operations in northwest Ontario

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

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

under the Securities Exchange Act of 1934

For the month of: April 2023

Commission File Number: 001-36115

HYDRO ONE INC.

(Translation of Registrant’s name into English)

483 Bay Street, South Tower, 8th Floor, Toronto Ontario M5G 2P5 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  ☐                Form 40-F  ☒

SIGNATURE

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.

HYDRO ONE INC.

/s/ Cassidy McFarlane

Name: Cassidy McFarlane

Title: General Counsel

Date: April 25, 2023

EXHIBIT INDEX

99.1 News release dated April 25, 2023.