EX-23.2
Published on May 18, 2011
Exhibit 23.2
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8
of our report dated March 1, 2011 relating to the financial statements and the effectiveness of
internal control over financial reporting, which appears in Quanta Services, Inc.s Annual Report
on Form 10-K for the year ended December 31, 2010.
/s/ PricewaterhouseCoopers LLP
Houston, Texas
May 18, 2011
May 18, 2011