WISCONSIN POWER & LIGHT CO
CIK:
0000107832
Company Information
Industry
Electric & Other Services Combined
SIC Code
4931
Entity Type
operating
State of Incorporation
WI
Business Address
4902 NORTH BILTMORE LANE, MADISON, WI, 53718-2148
Mailing Address
4902 N BILTMORE LANE, MADISON, WI, 53718-2148
Phone
608-458-3311
Fiscal Year End
1231
EIN
390714890
Recent SEC Filings
| Form Type | Date Filed | Document |
|---|---|---|
| 8-K Current report of material events | February 20, 2026 | View on SEC |
| 10-K Annual financial report | February 20, 2026 | View on SEC |
| 8-K Current report of material events | January 8, 2026 | View on SEC |
| 8-K Current report of material events | December 16, 2025 | View on SEC |
| 8-K Current report of material events | December 5, 2025 | View on SEC |
| 424B5 Prospectus supplement | December 3, 2025 | View on SEC |
| 424B5 Prospectus supplement | December 2, 2025 | View on SEC |
| 8-K Current report of material events | November 7, 2025 | View on SEC |
| 10-Q Quarterly financial report | November 7, 2025 | View on SEC |
| 10-Q Quarterly financial report | August 8, 2025 | View on SEC |
Annual Reports
10-K
February 20, 2026
- Achieved solid financial performance with $3.2 billion in revenue and 7% EPS growth.
- Significantly expanded renewable energy portfolio, reaching 28% of generation capacity with major wind projects online and underway.
Related Companies
Companies in the same industry (SIC: 4931)
Duke Energy CORP
DUK
Electric & Other Services Combined
PUBLIC SERVICE ENTERPRISE GROUP INC
PEG
Electric & Other Services Combined
PUBLIC SERVICE CO OF NEW MEXICO
PNMXO
Electric & Other Services Combined
Genie Energy Ltd.
GNE
Electric & Other Services Combined
DUKE ENERGY PROGRESS, LLC.
Electric & Other Services Combined
Investor Resources
Learn more about SEC filings and how to research public companies.
What is the SEC?
A plain English guide to the Securities and Exchange Commission
Understanding SEC Filings & CIK
How to navigate SEC filings and Central Index Keys
10-K Annual Reports Explained
Everything you need to know about annual reports
S-1 & F-1 IPO Filings
Understanding IPO registration statements
SEC EDGAR Database Guide
How to use the SEC's free filing database
Important Disclaimer
This AI-generated analysis is for informational purposes only and does not constitute financial or investment advice. Always consult with qualified professionals and conduct your own research before making investment decisions.