Exhibit 99.9

	KPMG LLP
	Chartered Accountants	Telephone	(403) 691-8000
	2700-205 5 Avenue SW	Telefax	(403) 691-8008
	Calgary AB T2P 4B9	Internet	www.kpmg.ca

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the board of directors of Penn West Petroleum Ltd., the administrator of Penn West Energy Trust

We consent to the inclusion in this Annual Report on Form 40-F of:

·our audit report dated February 28, 2007 on the consolidated balance sheets of Penn West Energy Trust as at December 31, 2006 and 2005 and the consolidated statements of income and retained earnings and cash flows for the years then ended, and

·our audit report dated February 28, 2007 (except for note (a), which is dated March 26, 2007) on the Supplemental Note to the Consolidated Financial Statements entitled “Reconciliation of Canadian and United States Generally Accepted Accounting Principles”.

each of which is contained in this Annual Report on Form 40-F for the fiscal year ended December 31, 2006.

Chartered Accountants

Calgary, Canada

March 27, 2007

KPMG LLP, a Canadian limited liability partnership is the Canadian
member firm of KPMG International, a Swiss cooperative