---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-023450"
form_type: "8-K"
ticker: "TLN"
cik: "0001622536"
company_name: "Talen Energy Corp"
filed_at: "2025-05-08T23:59:59+00:00"
generated_at: "2026-05-22T04:35:53.734581+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Talen Energy Q1 GAAP net loss $135M; Adj. EBITDA $200M, narrows 2025 guidance

## Summary
- GAAP net loss attributable to stockholders of $135M vs $294M income in Q1 2024; adjusted EBITDA $200M, adjusted FCF $87M.
- FERC approved reliability-must-run agreement to operate Brandon Shores and H.A. Wagner through May 2029; annual payments of $145M and $35M.
- Susquehanna Unit 2 refueling outage extended to mid-May for incremental maintenance; expects ~$20M extra spend, payback ~1.5 years.
- 2025 Adjusted EBITDA guidance narrowed to $975M-$1.125B; Adjusted FCF $450M-$540M; 2026 outlook unchanged.
- Repurchased 452,130 shares for $83M in Q1; $995M remaining under buyback program through year-end 2026.

## SEC filing metadata
- accession: 0001628280-25-023450
- form_type: 8-K
- ticker: TLN
- cik: 0001622536
- company_name: Talen Energy Corp
- filed_at: 2025-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1622536/000162828025023450/0001628280-25-023450-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1622536/000162828025023450/tln-20250508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-023450
- JSON: https://secwatch.observer/filing/0001628280-25-023450.json
- Plain text: https://secwatch.observer/filing/0001628280-25-023450.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.