February 14, 2001 - 5: Annual statement of changes in beneficial ownership of securities | Quanta Services, Inc. (PWR)

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+--------+ UNITED STATES
| FORM 5 | SECURITIES AND EXCHANGE COMMISSION
+--------+ Washington, D.C. 20549

[_] Check box if
no longer subject STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
to Section 16.
Form 4 or Form 5 Filed pursuant to Section 16(a) of the Securities
obligations may Exchange Act of 1934, Section 17(a) of the
continue. See Public Utility Holding Company Act of 1935 or
Instruction 1(b). Section 30(f) of the Investment Company Act of 1940

[_] Form 3 Holdings Reported

[_] Form 4 Transactions Reported
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1. Name and Address of Reporting Person*

JENSEN DERRICK A.
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(Last) (First) (Middle)

1360 POST OAK BLVD., SUITE 2100
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(Street)

HOUSTON TEXAS 77056
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(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol QUANTA SERVICES, INC. - PWR
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3. I.R.S. or Social Security Number of Reporting Person
(Voluntary)
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4. Statement for Month/Year DECEMBER 2000
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5. If Amendment, Date of Original (Month/Day/Year)
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6. Relationship of Reporting Person(s) to Issuer (Check all applicable)

[ ] Director [X] Officer [ ] 10% Owner [ ] Other
(give title below) (specify below)

VICE PRESIDENT, CONTROLLER & CHIEF ACCOUNTING OFFICER

7. Individual or Joint/Group Reporting (Check Applicable Line)

_X_ Form filed by One Reporting Person

___ Form filed by More than One Reporting Person

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Table I--Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.

* If the form is filed by more than one reporting person, see instruction
4(b)(v).

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

Explanation of Responses:

(1) As adjusted to reflect a 3 for 2 stock split on April 10, 2000.
(2) The Option vests in four equal installments beginning on 2/18/01.

/s/ DERRICK A. JENSEN 2/13/01
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**Derrick A. Jensen Date

** Intentional misstatements or omissions of facts constitute Federal
Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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