---
schema_version: "secwatch.filing_event.v1"
accession: "0001168165-23-000016"
form_type: "8-K"
ticker: null
cik: "0001168165"
company_name: "CONSTELLATION ENERGY GENERATION LLC"
filed_at: "2023-09-29T23:59:59+00:00"
generated_at: "2026-06-10T06:47:47.015267+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Constellation Generation issues $1.4B in senior notes to fund NRG South Texas acquisition

## Summary
- Issued $500M of 6.125% Senior Notes due 2034 and $900M of 6.500% Senior Notes due 2053.
- Proceeds will fund a portion of the purchase price for acquiring NRG South Texas, LP from NRG Energy.
- Underwriters include BofA Securities, Citigroup, Goldman Sachs, J.P. Morgan, and RBC Capital Markets.
- If the acquisition is not consummated, proceeds will be used for general corporate purposes.
- Interest on the 2034 notes payable Jan 15/Jul 15; on the 2053 notes payable Apr 1/Oct 1.

## SEC filing metadata
- accession: 0001168165-23-000016
- form_type: 8-K
- cik: 0001168165
- company_name: CONSTELLATION ENERGY GENERATION LLC
- filed_at: 2023-09-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1168165/000116816523000016/0001168165-23-000016-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1168165/000116816523000016/ceg-20230929.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001168165-23-000016
- JSON: https://secwatch.observer/filing/0001168165-23-000016.json
- Plain text: https://secwatch.observer/filing/0001168165-23-000016.txt

## Key facts
- Debt Financings
  CONSTELLATION ENERGY GENERATION LLC incurred senior notes of $900,000,000 at 6.500% per annum maturing October 1, 2053.
  - Instrument: senior notes
  - Principal: $900,000,000
  - Rate: 6.500% per annum
  - Maturity: October 1, 2053
  - Event: incurrence
  source text: On September 29, 2023, Constellation issued and sold $500,000,000 in aggregate principal amount of the 2034 Senior Notes and $900,000,000 in aggregate principal amount of the 2053 Senior Notes.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1168165/000116816523000016/0001168165-23-000016-index.htm
- Debt Financings
  CONSTELLATION ENERGY GENERATION LLC incurred senior notes of $500,000,000 at 6.125% per annum maturing January 15, 2034.
  - Instrument: senior notes
  - Principal: $500,000,000
  - Rate: 6.125% per annum
  - Maturity: January 15, 2034
  - Event: incurrence
  source text: On September 29, 2023, Constellation issued and sold $500,000,000 in aggregate principal amount of the 2034 Senior Notes and $900,000,000 in aggregate principal amount of the 2053 Senior Notes.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1168165/000116816523000016/0001168165-23-000016-index.htm
- Material Agreements
  CONSTELLATION ENERGY GENERATION LLC entered into Senior Notes due 2034 and Senior Notes due 2053 with unknown valued at $500,000,000 in aggregate principal amount of Senior Notes due 2034 and $900,000,000 in aggregate pr (effective 2023-09-29).
  - Action: entry
  - Agreement: notes offering
  - Value: $500,000,000 in aggregate principal amount of Senior Notes due 2034 and $900,000,000 in aggregate pr
  - Effective: 2023-09-29
  source text: On September 29, 2023 Constellation Energy Generation, LLC (Constellation) issued and sold $500,000,000 in aggregate principal amount of Senior Notes due 2034 (the 2034 Senior Notes) and $900,000,000 in aggregate principal amount of Senior Notes due 2053 (the 2053 Senior Notes, and collectively with the 2034 Senior Notes, the Senior Notes).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1168165/000116816523000016/0001168165-23-000016-index.htm

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