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We consent to the incorporation by reference in the registration statements No. 333-289356 on Form S-3ASR and No. 333-283230 and No. 333-283227 on Form S-8 of Talen Energy Corporation of our report dated September 12, 2025, with respect to the consolidated financial statements of Guernsey Power Holdings, LLC and subsidiary, which report appears in the Form 8-K of Talen Energy Corporation dated October 6, 2025.