# ALLEGHENY ENERGY SUPPLY CO LLC

ALLEGHENY ENERGY SUPPLY CO LLC is a company headquartered in Monroeville, PA, United States.

## Company overview

- **Legal name:** ALLEGHENY ENERGY SUPPLY CO LLC
- **Classification:** Company
- **Industry (SIC):** 4911 — Electric Services
- **Headquarters:** Monroeville, PA, United States
- **SEC CIK:** 0001159157

## About

ALLEGHENY ENERGY SUPPLY CO LLC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001159157, and its reported industry is Electric Services. The retained history contains 12 filings, including 8-K filed on 2005-01-07. 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 8-K — filed 2005-01-07 — period 2005-01-07 — DECLARATORY JUDGMENT
- Form 8-K — filed 2005-01-06 — period 2005-01-05 — OVEC SALE OF INTEREST
- Form 8-K — filed 2004-12-17 — period 2004-12-16
- Form 10-Q — filed 2004-11-04 — period 2004-09-30 — FORM 10Q
- Form 10-Q — filed 2004-08-05 — period 2004-08-05 — AE SUPPLY 2ND QUARTER
- Form 10-Q — filed 2004-05-10 — period 2004-03-31 — FORM 10Q
- Form 10-K — filed 2004-03-11 — period 2003-12-31 — FORM 10K
- Form 10-Q — filed 2004-01-23 — period 2003-09-30 — FORM 10-Q
- Form 10-Q — filed 2004-01-23 — period 2002-09-30 — SEPTEMBER 30, 2002 10Q ALLEGHENY ENERGY SUPPLY
- Form 10-Q — filed 2003-12-19 — period 2003-06-30 — 2ND QUARTER 2003 FORM 10-Q
- Form 10-Q — filed 2003-12-19 — period 2003-03-31 — 1ST QUARTER 2003 FORM 10-Q
- Form 10-K — filed 2003-09-25 — period 2002-12-31 — FORM 10-K

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Updated: 2026-10-23T22:19:15Z

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