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

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1. Name and Address of Reporting Person * BLANK STEVEN A   2. Issuer Name and Ticker or Trading Symbol NuStar Energy L.P. [NS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior VP, CFO and Treasurer (Last) (First) (Middle) 2330 NORTH LOOP 1604 WEST 3. Date of Earliest Transaction (Month/Day/Year) 01/22/2009 (Street) SAN ANTONIO, TX 78248 4. If Amendment, Date Original Filed(Month/Day/Year) 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 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 Units (tax withheld for performance unit vesting) 01/22/2009   F   168 D $ 45.26 25,872 D   Common Units 01/22/2009   M   510 A $ 0 26,382 D   Common Units (tax withheld for performance unit vesting) 01/22/2009   F   183 D $ 45.26 26,199 D   Common Units 01/22/2009   M   557 A $ 0 26,756 D   Common Units (tax withheld for performance unit vesting) 01/22/2009   F   93 D $ 45.26 26,663 D   Common Units 01/22/2009   M   283 A $ 0 26,946 D

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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

Performance Units

(1)

01/22/2009

A

2,400

(1)

01/22/2012

Common

2,400

$ 0

2,400

D

Performance Units

(2)

01/22/2009

M

510

01/22/2009

01/22/2009

Common

1,020

$ 0

255

D

Performance Units

(2)

01/22/2009

M

557

01/22/2009

01/22/2010

Common

1,114

$ 0

835

D

Performance Units

(3)

01/22/2009

M

283

01/22/2009

01/22/2011

Common

566

$ 0

1,417

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BLANK STEVEN A 2330 NORTH LOOP 1604 WEST SAN ANTONIO, TX 78248			Senior VP, CFO and Treasurer

Signatures

Elizabeth E. Clifton as Attorney-in-Fact for Steven A. Blank		01/26/2009
**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)	Award of performance units. The performance units vest annually in one-third increments beginning on the first anniversary of the grant date and are payable in common units in amounts ranging from zero to 200% of the performance units.
(2)	Settlement of previously awarded performance units at 50% of the base units awarded in 2006 and 2007 and vested on January 22, 2009, as well as the portion of units that vested but were not awarded in January 2008, which carried over pursuant to the terms of the performance unit grants.
(3)	Settlement of performance units awarded in 2008 at 50% of base units.

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