Employer with a benefit plan ยท SEC filer
WISCONSIN POWER & LIGHT COMPANY
4902 N. BILTMORE LANE, MADISON, WI 537182148
EIN
39-0714890
SEC CIK
0000107832
SEC · 2026-07-31
Industry (SIC)
Electric & Other Services Combined (4931)
SEC · 2026-07-31
State of incorporation
WI
SEC · 2026-07-31
Latest SEC filing
10-Q 2026-07-31
SEC · 2026-07-31
Benefit plan 2, 2024 filing
WISCONSIN POWER & LIGHT CO. RETIREMENT PLAN B
DOL · 2025-10-14
Participants (start of year)
1,561
DOL · 2025-10-14
Plan features
Defined benefit (cash balance)
DOL · 2025-10-14
Plan type
Single-employer plan
DOL · 2025-10-14
Business code (NAICS)
221100
DOL · 2025-10-14
Benefit plan 2, 2023 filing
WISCONSIN POWER & LIGHT CO. RETIREMENT PLAN B
DOL · 2024-10-11
Participants (start of year)
1,612
DOL · 2024-10-11
Plan features
Defined benefit (cash balance)
DOL · 2024-10-11
Plan type
Single-employer plan
DOL · 2024-10-11
Business code (NAICS)
221100
DOL · 2024-10-11