AT Atlantic Power Corporation

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): March 11, 2016

ATLANTIC POWER CORPORATION

(Exact name of registrant as specified in its charter)

(617) 977-2400

(Registrant’s telephone number, including area code)

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:

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02.—Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b)  Departure of Director

On March 14, 2016, Atlantic Power Corporation (the “Company”) announced that Kenneth M. Hartwick has resigned from the Company’s Board of Directors (the “Board”), the Nominating and Corporate Governance Committee of the Board and the Operations and Commercial Oversight Committee of the Board effective March 11, 2016.  Mr. Hartwick’s decision to resign was not due to any disagreement with the Company on any matter relating to the operations, policies or practices of the Company.

Item 7.01.— Regulation FD Disclosure.

On March 14, 2016, the Company issued a press release, which is attached hereto as Exhibit 99.1.

The information in this Item 7.01, including Exhibit 99.1, is being furnished and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that Section, nor shall such information be deemed to be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise stated in that filing.

Item 9.01.—Financial Statements and Exhibits.

(d)  Exhibits

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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.

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EXHIBIT INDEX

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Exhibit 99.1

Atlantic Power Corporation Announces Resignation of Director

DEDHAM, MASSACHUSETTS — March 14, 2016 — Atlantic Power Corporation (NYSE: AT) (TSX: ATP) (“Atlantic Power” or the “Company”) announced today that Kenneth M. Hartwick has resigned from the Company’s Board of Directors, effective March 11, 2016, in order to assume his new role as Senior Vice President and Chief Financial Officer of Ontario Power Generation (OPG).  OPG is a power generation company based in Toronto and owned by the Province of Ontario.  It generates approximately half the province’s power supply needs.

Mr. Hartwick had been a director of the Company since October 2004.  He also served as the Company’s interim President and Chief Executive Officer from September 2014 to January 2015.

“On behalf of the entire Board of Directors, I would like to thank Ken for his many contributions to the Board over the past 11 years and for his service to the Company as interim CEO.  His many years of leadership experience in the energy sector have been invaluable to the Board as well as to the Company’s management.  We wish him well in his new role at OPG,” said Irving Gerstein, Chairman of the Board of Atlantic Power.

“I have enjoyed my time on the Atlantic Power Board and step down with confidence that the management team and Board have a clear strategic direction on which they will continue to execute.  I look forward to the Company’s continued success,” said Kenneth Hartwick.

About Atlantic Power

Atlantic Power owns and operates a diverse fleet of power generation assets in the United States and Canada.  The Company’s power generation projects sell electricity to utilities and other large commercial customers largely under long-term power purchase agreements, which seek to minimize exposure to changes in commodity prices.  Atlantic Power’s power generation projects in operation have an aggregate gross electric generation capacity of approximately 2,138 megawatts (“MW”) in which its aggregate ownership interest is approximately 1,500 MW.  The Company’s current portfolio consists of interests in twenty-three operational power generation projects across nine states in the United States and two provinces in Canada.

Atlantic Power trades on the New York Stock Exchange under the symbol AT and on the Toronto Stock Exchange under the symbol ATP.  For more information, please visit the Company’s website at www.atlanticpower.com or contact:

Atlantic Power Corporation 
Investor Relations
(617) 977-2700 
info@atlanticpower.com

Copies of financial data and other publicly filed documents are filed on SEDAR at www.sedar.com or on EDGAR at www.sec.gov/edgar.shtml under “Atlantic Power Corporation” or on the Company’s website.

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