Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  FMR LLC
 2. Date of Event Requiring Statement (Month/Day/Year)
06/30/2014		 3. Issuer Name and Ticker or Trading Symbol
GENERAC HOLDINGS INC. [GNRC]
(Last)
(First)
(Middle)
245 SUMMER STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
See Remark 1
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BOSTON, MA 02210		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 735,103 (1)
I
By Crosby Advisors LLC (2)
Common Stock 800
I
By FIMM, LLC

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
FMR LLC
245 SUMMER STREET
BOSTON, MA 02210		     X   See Remark 1

Signatures

Scott C. Goebel, Duly authorized under Powers of Attorney, by and on behalf of FMR LLC and its direct and indirect subsidiaries, Edward C. Johnson 3d and Abigail P. Johnson 07/03/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Table 1, Column 2 does not include shares beneficially owned by FMR Co., Inc., Pyramis Global Advisors Trust Company and Pyramis Global Advisors, LLC as a result of acting as investment adviser to various investment companies and accounts as disclosed in Remark 2 below.
(2) Crosby Advisors LLC, 11 Keewaydin Drive, Suite 200, Salem, New Hampshire, 03079, a wholly-owned subsidiary of Crosby Company of New Hampshire LLC ("CCNH"), is the beneficial owner of 735,103 shares of the outstanding Common Stock of Generac Holdings Inc. as a result of providing investment advisory services to individuals, trusts and limited liability entities. Members of the family of Edward C. Johnson 3d, Chairman of FMR LLC, directly or indirectly, own CCNH.
 
Remarks:
Remark 1: Edward C. Johnson 3d is a Director and the Chairman of FMR LLC and Abigail P. Johnson is a Director, the Vice Chairman and the President of FMR LLC. Members of the family of Edward C. Johnson 3d, including Abigail P. Johnson, are the predominant owners, directly or through trusts, of Series B voting common shares of FMR LLC, representing 49% of the voting power of FMR LLC.  The Johnson family group and all other Series B shareholders have entered into a shareholders' voting agreement under which all Series B voting common shares will be voted in accordance with the majority vote of Series B voting common shares.  Accordingly, through their ownership of voting common shares and the execution of the shareholders' voting agreement, members of the Johnson family may be deemed, under the Investment Company Act of 1940, to form a controlling group with respect to FMR LLC. The address of  Edward C. Johnson 3d and Abigail P. Johnson is c/o FMR LLC, 245 Summer Street, Boston, MA 02110.

Remark 2: In addition to the securities shown in Table 1, FMR Co., Inc. and Pyramis Global Advisors, LLC, each an indirect wholly-owned subsidiary of FMR LLC and an investment adviser registered under the Investment Advisers Act of 1940, and Pyramis Global Advisors Trust Company, an indirect wholly-owned subsidiary of FMR LLC and a bank as defined in Section 3(a)(6) of the Securities Exchange Act of 1934, are the beneficial owners of 6,473,275 shares, or 9.4045%%, of Common Stock of Generac Holdings Inc., as a result of acting as investment adviser to various investment companies registered under the Investment Company Act of 1940, institutional accounts and non-U.S. mutual funds.  FMR LLC, Edward C. Johnson 3d and Abigail P. Johnson have no pecuniary interest in the 6,473,275 shares of Common Stock.

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