EX-23.(A) 6 dex23a.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP EXHIBIT 23(a) Consent of Independent Accountants We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated October 25, 2000 relating to the financial statements and financial statement schedule of Alabama Gas Corporation, which appears in Alabama Gas Corporation's Annual Report on Form 10-K for the year ended September 30, 2000. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers LLP Birmingham, Alabama August 14, 2001