---
schema_version: "secwatch.filing_event.v1"
accession: "0000352541-24-000054"
form_type: "8-K"
ticker: null
cik: "0000107832"
company_name: "WISCONSIN POWER & LIGHT CO"
filed_at: "2024-05-03T23:59:59+00:00"
generated_at: "2026-06-02T22:53:03.426573+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Alliant Energy Q1 GAAP EPS $0.62, reaffirms FY24 guidance $2.99-$3.13

## Summary
- GAAP EPS $0.62 vs $0.65 prior year, down $0.03 on warmer weather and higher financing/depreciation.
- Revenue requirements from WPL capital investments added $0.11/share, partially offsetting declines.
- Reaffirming 2024 EPS guidance of $2.99-$3.13, assuming normal weather and constructive regulatory outcomes.
- Commissioning final project in 1.1 GW Wisconsin solar investment, a milestone in energy mix diversification.

## SEC filing metadata
- accession: 0000352541-24-000054
- form_type: 8-K
- cik: 0000107832
- company_name: WISCONSIN POWER & LIGHT CO
- filed_at: 2024-05-03T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/107832/000035254124000054/0000352541-24-000054-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/52485/000035254124000054/lnt-20240502.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352541-24-000054
- JSON: https://secwatch.observer/filing/0000352541-24-000054.json
- Plain text: https://secwatch.observer/filing/0000352541-24-000054.txt

## Key facts
- Earnings Releases
  WISCONSIN POWER & LIGHT CO reported financial results for the three months ended March 31, 2024.
  - Period: the three months ended March 31, 2024
  - Result: reported results
  source text: On May 2, 2024, Alliant Energy Corporation issued a press release announcing its financial results for the three months ended March 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/107832/000035254124000054/0000352541-24-000054-index.htm

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