# ALLEGHENY ENERGY, INC

ALLEGHENY ENERGY, INC is a company headquartered in Greensburg, PA, United States.

## Company overview

- **Legal name:** ALLEGHENY ENERGY, INC
- **Former names in filing history:** ALLEGHENY ENERGY INC (1997-10-07 to 2005-03-23); ALLEGHENY POWER SYSTEM INC (1994-01-06 to 1997-08-29)
- **Classification:** Company
- **Industry (SIC):** 4911 — Electric Services
- **Headquarters:** Greensburg, PA, United States
- **Incorporated in:** MD
- **Fiscal year end:** December 31
- **SEC CIK:** 0000003673

## About

ALLEGHENY ENERGY, INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000003673, and its reported industry is Electric Services. In 10-K filed on 2011-02-23, it reported annual revenue of USD 3,902,900,000; net income of USD 411,700,000; total assets of USD 12,075,800,000 for the fiscal period ended 2010-12-31. The financial history preserves reporting periods, currencies, filing accessions and source provenance. Figures are reported filing data, rather than real-time estimates.

## Financials

Annual figures as originally reported. Currency is shown for each fiscal year; B means billion and M means million.

### FY2010 (period ended 2010-12-31)

- **Revenue:** $3.9B (USD 3,902,900,000)
- **Net income:** $411.7M (USD 411,700,000)
- **Total assets:** $12.1B (USD 12,075,800,000)
- **Cash and equivalents:** $490.2M (USD 490,200,000)
- **Operating cash flow:** $816.0M (USD 816,000,000)

### FY2009 (period ended 2009-12-31)

- **Revenue:** $3.4B (USD 3,426,800,000)
- **Net income:** $392.8M (USD 392,800,000)
- **Total assets:** $11.6B (USD 11,589,100,000)
- **Cash and equivalents:** $286.6M (USD 286,600,000)
- **Operating cash flow:** $799.6M (USD 799,600,000)

## Recent SEC filings

- Form 8-K — filed 2011-02-25 — period 2011-02-25 — FORM 8-K
- Form 8-K — filed 2011-02-23 — period 2011-02-23 — FORM 8-K
- Form 10-K — filed 2011-02-23 — period 2010-12-31 — FORM 10-K
- Form SC 13G — filed 2011-02-10 — AYE AS OF 12/31/10
- Form SC 13G — filed 2011-02-10
- Form SC 13G — filed 2011-02-02
- Form 8-K — filed 2010-12-15 — period 2010-12-09 — FORM 8-K
- Form 10-Q — filed 2010-11-05 — period 2010-09-30 — FORM 10-Q
- Form 8-K — filed 2010-11-01 — period 2010-11-01 — FORM 8-K
- Form 8-K — filed 2010-10-27 — period 2010-10-27 — FORM 8-K
- Form 8-K — filed 2010-10-27 — period 2010-10-27 — FORM 8-K
- Form 8-K — filed 2010-09-17 — period 2010-09-14 — FORM 8-K

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Updated: 2026-10-23T20:12:17Z

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