Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-38603) of Cogeneration Corporation of America of our report dated December 15, 1998 appearing in this Form 8-K. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Minneapolis, Minnesota March 25, 1999