FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * 313 Acquisition LLC   2. Issuer Name and Ticker or Trading Symbol Vivint Solar, Inc. [VSLR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O THE BLACKSTONE GROUP L.P., 345 PARK AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 12/04/2018 (Street) NEW YORK, NY 10154 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/04/2018   S   8,000,000 D $ 5.1975 (1) 74,359,374 I See Footnotes (2) (3) (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
313 Acquisition LLC C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Capital Partners VI L.P. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Management Associates VI L.L.C. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
BMA VI L.L.C. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Holdings III L.P. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Holdings III GP L.P. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Holdings III GP Management L.L.C. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Group L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
Blackstone Group Management L.L.C. C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X
SCHWARZMAN STEPHEN A C/O THE BLACKSTONE GROUP L.P. 345 PARK AVENUE NEW YORK, NY 10154		X

Signatures

313 Acquisition LLC, By: Blackstone Capital Partners VI L.P., its managing member, By: Blackstone Management Associates VI L.L.C., its GP, By: BMA VI L.L.C., its sole member, By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BLACKSTONE CAPITAL PARTNERS VI L.P., By: Blackstone Management Associates VI L.L.C., its general partner, By: BMA VI L.L.C., its sole member, By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BLACKSTONE MANAGEMENT ASSOCIATES VI L.L.C., By: BMA VI L.L.C., its sole member By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BMA VI L.L.C., By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BLACKSTONE HOLDINGS III L.P., By: Blackstone Holdings III GP L.P., its general partner, By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BLACKSTONE HOLDINGS III GP L.P., By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BLACKSTONE HOLDINGS III GP MANAGEMENT L.L.C., By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
THE BLACKSTONE GROUP L.P., By: Blackstone Group Management L.L.C., its general partner, By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
BLACKSTONE GROUP MANAGEMENT L.L.C., By: /s/ John G. Finley, Name: John G. Finley, Title: Chief Legal Officer		12/06/2018
**Signature of Reporting Person		Date
/s/ Stephen A. Schwarzman		12/06/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	This amount represents the $5.50 public offering price per share of Common Stock, par value $0.01 per share ("Common Stock"), of Vivint Solar, Inc. (the "Issuer"), less the underwriting discount of $0.3025 per share of Common Stock.
(2)	Reflects shares of Common Stock directly held by 313 Acquisition LLC. 313 Acquisition LLC is managed by a board of managers and Blackstone Capital Partners VI L.P. ("BCP VI"), as managing member.
(3)	Blackstone Management Associates VI L.L.C. is the general partner of BCP VI. BMA VI L.L.C. is the sole member of Blackstone Management Associates VI L.L.C. Blackstone Holdings III L.P. is the managing member of BMA VI L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.
(4)	Each of such Reporting Persons may be deemed to beneficially own the shares beneficially owned by 313 Acquisition LLC, but each (other than 313 Acquisition LLC to the extent of its direct holdings) disclaims beneficial ownership of such shares, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.