UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 1, 2015 12:00 P.M.
Form: S-1
CIK: 0001622536
Company Name: Talen Energy Corp
File Number: 333-199888
CIK: 0001622537
Company Name: Talen Energy Holdings, Inc.
File Number: 333-199888-01