SEC Form S-8 POS filed by Atlantic Power Corporation

As filed with the Securities and Exchange Commission on May 14, 2021

Registration No. 333-172926

Registration No. 333-197940

Registration No. 333-219001

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

______________________

POST-EFFECTIVE AMENDMENT NO. 1 TO:

Form S-8 Registration Statement No. 333-172926

Form S-8 Registration Statement No. 333-197940

Form S-8 Registration Statement No. 333-219001

UNDER

THE SECURITIES ACT OF 1933

______________________

ATLANTIC POWER CORPORATION

(Exact name of registrant as specified in its charter)

______________________

______________________

ATLANTIC POWER HOLDINGS, INC. THIRD AMENDED AND RESTATED LONG-TERM INCENTIVE PLAN

ATLANTIC POWER HOLDINGS, INC. FIFTH AMENDED AND RESTATED LONG-TERM INCENTIVE PLAN

(Full title of the plans)

Terrence Ronan
Chief Financial Officer

Atlantic Power Corporation
3 Allied Drive, Suite 155
Dedham, Massachusetts 02026
(617) 977-2400

(Name, address and telephone number, including area code, of agent for service)

Copies to:

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act (Check one):

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 7(a)(2)(B) of the Securities Act. ¨

DEREGISTRATION OF SECURITIES

This Post-Effective Amendment No. 1 relates to the following Registration Statements on Form S-8 (collectively, the “Registration Statements”) of Atlantic Power Corporation, a corporation continued under the laws of British Columbia (the “Registrant”), filed with the Securities and Exchange Commission (the “SEC”) and is being filed to deregister any and all securities that remain unsold or otherwise unissued under such Registration Statements:

On May 14, 2021, pursuant to an Arrangement Agreement and Plan of Arrangement, dated as of January 14, 2021, by and among the Registrant, Atlantic Power Preferred Equity Ltd., an corporation continued to the jurisdiction of British Columbia, Atlantic Power Limited Partnership, an Ontario limited partnership, Tidal Power Holdings Limited, a United Kingdom private limited company (“BidCo”), and Tidal Power Aggregator, LP, a Cayman Islands limited partnership (the “Arrangement Agreement”), BidCo acquired all outstanding Common Shares (the “Arrangement”).

As a result of the Arrangement, the Registrant has terminated all offerings of the Registrant’s securities pursuant to its existing registration statements under the Securities Act of 1933, as amended, including the Registration Statements. In accordance with undertakings made by the Registrant in the Registration Statements to remove from registration, by means of a post-effective amendment, any of the securities that had been registered for issuance that remain unsold at the termination of the offering, the Registrant hereby removes from registration all of such securities of the Registrant registered but not sold or otherwise issued under the Registration Statements, if any, as of the date hereof. Each Registration Statement is hereby amended, as appropriate, to reflect the deregistration of such securities, and the Registrant hereby terminates the effectiveness of each Registration Statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No. 1 to the Registration Statements on Form S-8 to be signed on its behalf by the undersigned, thereunto duly authorized, in the Town of Dedham, Commonwealth of Massachusetts, on May 14, 2021.

SIGNATURE OF AUTHORIZED U.S. REPRESENTATIVE OF THE REGISTRANT

Pursuant to the Securities Act, the undersigned, the duly authorized representative in the U.S. of Atlantic Power Corporation, has signed this registration statement or amendment thereto on May 14, 2021.