UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): February 20, 2018

Avangrid, Inc.

(Exact name of registrant as specified in its charter)

(207) 629-1200

(Registrant’s telephone number, including area code)

NOT APPLICABLE

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

On February 20, 2018, Avangrid, Inc. (the “Corporation”) issued a press release announcing its financial results for the twelve-month period ended December 31, 2017. The press release also announced the timing for the Corporation’s investor day event, which will feature presentations from the Corporation’s executive management team. A copy of the Corporation’s press release is attached hereto as Exhibit 99.1 and incorporated by reference herein.

The Corporation will conduct an audio-only financial presentation on Tuesday, February 20, 2018, beginning at 8:30 a.m. Eastern Time. The Corporation’s executive management will present an overview of the financial results followed by a question and answer session. Interested parties, including analysts, investors and the media, are able to listen live via the internet by logging onto the investor relations section of the Corporation’s website at http://www.avangrid.com. Institutional investors can access the conference via Thomson Street Events (www.streetevents.com), a password-protected event management site. A copy of the Corporation’s presentation is furnished herewith as Exhibit 99.2 and incorporated by reference herein.

Pursuant to General Instruction B.2 of Form 8-K and SEC Release No. 33-8176, the information contained in Item 2.02 and 7.01 of this Form 8-K, including Exhibits 99.1 and 99.2, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, is not subject to the liabilities of that section and is not deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

The presentation contains statements intended as “forward-looking statements” which are subject to the cautionary statements about forward-looking statements set forth therein.

On February 15, 2018, the Corporation issued a press release announcing that the Board of Directors had declared a quarterly dividend of $0.432 per share on its common stock. This dividend is payable April 2, 2018, to shareholders of record at the close of business on March 9, 2018. A copy of the Corporation’s press release is attached hereto as Exhibit 99.3 and incorporated by reference herein.

(d) Exhibits.

EXHIBIT INDEX

2

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 hereunto duly authorized.

Dated: February 20, 2018

3