EX-23.3 3 dex233.htm CONSENT OF DELOITTE & TOUCHE LLP Consent of Deloitte & Touche LLP

Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Registration Statement on Form S-3 of our report dated May 15, 2008 relating to the financial statements of Northern Utilities, Inc. appearing in the Prospectus, which is part of this Registration Statement.

We also consent to the reference to us under the heading “Experts” in such Prospectus.

/s/ DELOITTE & TOUCHE LLP

Columbus, Ohio

August 6, 2008