---
schema_version: "secwatch.filing_event.v1"
accession: "0000352541-23-000096"
form_type: "8-K"
ticker: "LNT"
cik: "0000352541"
company_name: "ALLIANT ENERGY CORP"
filed_at: "2023-09-21T23:59:59+00:00"
generated_at: "2026-06-10T11:23:56.051879+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# IPL prices $300M in 5.700% senior debentures due 2033

## Summary
- IPL priced $300M aggregate principal of 5.700% senior debentures due Oct 15, 2033.
- Closing expected Sept 21, 2023; net proceeds to reduce receivables program, commercial paper, or general corporate purposes.
- Offering managed by BofA, Mizuho, MUFG, U.S. Bancorp, Wells Fargo as joint book-runners.

## SEC filing metadata
- accession: 0000352541-23-000096
- form_type: 8-K
- ticker: LNT
- cik: 0000352541
- company_name: ALLIANT ENERGY CORP
- filed_at: 2023-09-21T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352541/000035254123000096/0000352541-23-000096-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/52485/000035254123000096/lnt-20230918.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352541-23-000096
- JSON: https://secwatch.observer/filing/0000352541-23-000096.json
- Plain text: https://secwatch.observer/filing/0000352541-23-000096.txt

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