UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: March 8, 2018
Accession Number: 0000916457-18-000060
Submission Type: POS AM
CIK: 0000916457
Company Name: CALPINE CORP
File Number: 333-57338
CIK: 0001137032
Company Name: CALPINE CANADA ENERGY FINANCE ULC
File Number: 333-57338-01