February 1, 2021

Ms. Mary Beth Breslin

Division of Corporation Finance

Office of Life Sciences

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, D.C., 20549

Re: CN ENERGY GROUP. INC.

Registration Statement on Form F-1, as amended (File No. 333-239659)

Request for Acceleration of Effectiveness

VIA EDGAR

Dear Ms. Breslin:

Pursuant to Rule 461 of the General Rules and Regulations of the U.S. Securities and Exchange Commission under the Securities Act of 1933, as amended, Network 1 Financial Securities, Inc., as representative of the underwriters, hereby requests acceleration of the effective date of the above-referenced Registration Statement so that it will become effective at 4:30 p.m., Washington D.C. time, on Thursday, February 4, 2021, or as soon thereafter as practicable.

The following is supplemental information supplied under Rule 418(a)(7) and Rule 460 under the Securities Act of 1933:

(i)	Date of preliminary prospectus: January 25, 2021
(ii)	Dates of distribution: January 25, 2021 through the date hereof.
(iii)	Number of prospective underwriters and selected dealers to whom the preliminary prospectus was furnished: 5.
(iv)	There are 15 prospectuses so distributed as of date hereof by Network 1 Financial Securities, Inc. as representative of the underwriters. The total number of the prospectuses distributed by the selling group has not yet been provided.

The undersigned confirms that it has complied with and will continue to comply with, and it has been informed or will be informed by participating dealers that they have complied with or will comply with, Rule 15c2-8 promulgated under the Securities Exchange Act of 1934, as amended, in connection with the above-referenced issue.

[Signature Page Follows]

Network 1 Financial Securities, Inc.
By:	/s/ Adam Pasholk
Name:	Adam Pasholk
Title:	Managing Director Investment Banking