Exhibit

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-197288) and Form S-8 (Nos. 333-149074, 333-153860, 333-167028 and 333-188863) of Calpine Corporation of our report dated February 9, 2017 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.