ALLIANT ENERGY CORP
Electric & Other Services Combined | SIC: 4931Phone: 608-458-3311
EIN: 391380265
State Location: WI
State of Inc.: WI
- Nasdaq:LNT
Form: DEF 14A
Filing Date: 31 Mar 2026Report Date: 20 May 2026
Accepted: 30 Mar 2026 04:02 p.m.
Accession Number: 0000352541-26-000025
File Number: 001-09894
Film Number: 26814908
Documents
Primary Document: DEF 14A
Accepted: 30 Mar 2026 04:02 p.m.
0000352541-26-000025-index-headers.html
Last Modified: 30 Mar 2026 04:02 p.m.
0000352541-26-000025-index.html
Last Modified: 30 Mar 2026 04:02 p.m.
0000352541-26-000025.txt
Last Modified: 30 Mar 2026 04:02 p.m.
0000352541-26-000025-xbrl.zip
Last Modified: 30 Mar 2026 04:02 p.m.
FilingSummary.xml
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330.xsd
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g1.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g10.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g11.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g12.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g13.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g14.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g15.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g16.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g17.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g18.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g19.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g2.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g20.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g21.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g22.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g23.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g24.jpg
Last Modified: 30 Mar 2026 04:02 p.m.
lnt-20260330_g25.jpg
Last Modified: 30 Mar 2026 04:02 p.m.