# WISCONSIN POWER & LIGHT CO

WISCONSIN POWER & LIGHT CO is a company headquartered in Madison, WI, United States.

## Company overview

- **Legal name:** WISCONSIN POWER & LIGHT CO
- **Classification:** Company
- **Industry (SIC):** 4931 — Electric & Other Services Combined
- **Headquarters:** Madison, WI, United States
- **Incorporated in:** WI
- **Fiscal year end:** December 31
- **SEC CIK:** 0000107832

## About

WISCONSIN POWER & LIGHT CO is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000107832, and its reported industry is Electric & Other Services Combined. The retained history contains 12 filings, including 10-Q filed on 2026-07-31. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 10-Q — filed 2026-07-31 — period 2026-06-30 — 10-Q
- Form 8-K — filed 2026-07-31 — period 2026-07-30 — 8-K
- Form 10-Q — filed 2026-05-01 — period 2026-03-31 — 10-Q
- Form 8-K — filed 2026-05-01 — period 2026-04-30 — 8-K
- Form 10-K — filed 2026-02-20 — period 2025-12-31 — 10-K
- Form 8-K — filed 2026-02-20 — period 2026-02-19 — 8-K
- Form 8-K — filed 2026-01-08 — period 2026-01-05 — 8-K
- Form 8-K — filed 2025-12-16 — period 2025-12-10 — 8-K
- Form 8-K — filed 2025-12-05 — period 2025-12-02 — 8-K
- Form 10-Q — filed 2025-11-07 — period 2025-09-30 — 10-Q
- Form 8-K — filed 2025-11-07 — period 2025-11-06 — 8-K
- Form 10-Q — filed 2025-08-08 — period 2025-06-30 — 10-Q

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Updated: 2026-10-23T22:48:48Z

Canonical page: https://altss.com/profile/wisconsin-power-light-co

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