File No. 074-00015

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM U-9C-3

QUARTERLY REPORT

For the quarter ended June 30, 2004

Filed Pursuant to Rule 58 of the Public Utility Holding Company
Act of 1935

by
AMERICAN ELECTRIC POWER COMPANY, INC.
1 Riverside Plaza, Columbus, Ohio 43215

AMERICAN ELECTRIC POWER COMPANY, INC.
FORM U-9C-3
For the Quarter Ended June 30, 2004
CONTENTS
ITEM 1 - Organization Chart
ITEM 2 - Issuances and Renewals of Securities and Capital Contributions
ITEM 3 - Associated Transactions
ITEM 4 - Summary of Aggregate Investment
ITEM 5 - Other Investments
ITEM 6 - Financial Statements and Exhibits
Statements of Income
Balance Sheets
Exhibits

ITEM 1 — ORGANIZATION CHART

Company names are indented and numbered to identify them as subsidiaries of the company that is listed immediately above them at the next tier. Some companies are subsidiaries of more than one company. The reference code for each subsidiary refers to the supplemental schedule to the organization chart that provides details regarding date and state of organization, nature of business, etc. required to be reported under Item 1.

		Reference Code
00. American Electric Power Company, Inc. (Parent of Rule 58 Companies shown below)
01. American Electric Power Service Corporation (Not a Rule 58 Company)
01. AEP C&I Company, LLC		1
02. AEP Texas Commercial & Industrial Retail GP, LLC		2
03. AEP Texas Commercial & Industrial Retail Limited Partnership		3
02. AEP Texas Commercial & Industrial Retail Limited Partnership		3
02. AEP Gas Power GP, LLC		4
03. AEP Gas Power Systems, LLC		5
02. REP Holdco, LLC		6
03. Mutual Energy SWEPCO LLC		7
03. REP General Partner LLC		8
04. Mutual Energy SWEPCO LLC		7
01. AEP Coal, Inc.		9
02. Snowcap Coal Company, Inc.		10
02. AEP Kentucky Coal, LLC		11
02. AEP Ohio Coal, LLC		12
02. AEP West Virginia Coal, Inc.		13
02. Springdale Land, LLC		14
01. AEP Energy Services, Inc.		15
01. AEP Investments, Inc. (Not a Rule 58 Company)
02. AEP EmTech, LLC		16
03. Universal Supercapacitors, LLC		17
03. Integrated Fuel Cell Technologies, Inc.		18
03. Distribution Vision 2010, LLC		19
02. Dynelec, Inc.		20
02. Intercontinental Exchange Inc.		21
02. PowerSpan Corp.		22
02. AEMT, Inc.		23
02. Enerwise Global Technologies, Inc.		24
02. Powerware Solutions, Inc.		25
02. PHPK Technologies, Inc.		26
01. Mutual Energy LLC		27
02. AEP Ohio Retail Energy, LLC		28
01. AEP Power Marketing, Inc.		29
02. AEP Coal Marketing, LLC		30
02. AEP Emissions Marketing, LLC		31
01. AEP T&D Services, LLC		32
01. AEP Pro Serv, Inc. (Not a Rule 58 Company)
02. Diversified Energy Contractors Company, LLC		33
03. DECCO II LLC		34
04. Diversified Energy Contractors, LP		35
03. Diversified Energy Contractors, LP		35
02. United Sciences Testing, Inc.		36
01. AEP Texas POLR, LLC		37
02. AEP Texas POLR GP, LLC		38
03. POLR Power, LP		39
02. POLR Power, LP		39
01. AEP Utilities, Inc. (Not a Rule 58 Company)
02. Southwestern Electric Power Company (Not a Rule 58 Company)
03. The Arklahoma Corporation		40
03. Southwest Arkansas Utilities Corporation		41
03. Dolet Hills Lignite Company, LLC		42
02. CSW Energy, Inc. (Not a Rule 58 Company)
03. CSW Development-I, Inc.		43
04. Polk Power GP II, Inc.		44
05. Polk Power GP, Inc.		45
06. Polk Power Partners, LP		46
07. Mulberry Holdings, Inc.		47
04. CSW Mulberry II, Inc.		48
05. CSW Mulberry, Inc.		49
04. Polk Power Partners, LP		46
05. Mulberry Holdings, Inc.		47
04. Noah I Power GP, Inc.		50
05. Noah I Power Partners, LP		51
06. Brush Cogeneration Partners		52
04. Noah I Power Partners, LP		51
05. Brush Cogeneration Partners		52
04. Orange Cogeneration GP II, Inc.		53
05. Orange Cogeneration GP, Inc.		54
06. Orange Cogeneration Limited Partnership		55
07. Orange Cogen Funding Corp.		56
08. Orange Holdings, Inc.		57
04. CSW Orange II, Inc.		58
05. CSW Orange, Inc.		59
06. Orange Cogeneration Limited Partnership		55
07. Orange Cogen Funding Corp.		56
08. Orange Holdings, Inc.		57
03. CSW Ft. Lupton, Inc.		60
04. Thermo Cogeneration Partnership, LP		61
03. CSW Sweeny GP I, Inc.		62
04. CSW Sweeny GP II, Inc.		63
05. Sweeny Cogeneration Limited Partnership		64
03. CSW Sweeny LP I, Inc.		65
04. CSW Sweeny LP II, Inc.		66
05. Sweeny Cogeneration Limited Partnership		64
03. CSW Power Marketing, Inc.		67
03. CSW Services International, Inc.		68
02. CSW Energy Services, Inc.		69
03. Nuvest, LLC		70
04. National Temporary Services, Inc.		71
05. Octagon, Inc.		72
04. Numanco, LLC		73
05. NuSun, Inc.		74
06. Sun Technical Services, Inc.		75
06. Calibration and Testing Corporation		76
05. ESG, LLC		77
05. Numanco Services, LLC		78

Item 1 - Organization Chart (Continued)

		NAME OF REPORTING COMPANY		ENERGY OR GAS- RELATED COMPANY		DATE OF ORGAN- IZATION		STATE OF ORGAN- IZATION		PERCENTAGE OF VOTING SECURITIES HELD DIRECTLY OR INDIRECTLY BY AMERICAN ELECTRIC POWER COMPANY		NATURE OF BUSINESS
1		AEP C&I Company, LLC		Energy		10/10/00		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
2		AEP Texas Commercial & Industrial Retail GP, LLC		Energy		12/11/00		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
3		AEP Texas Commercial & Industrial Retail Limited Partnership		Energy		12/12/00		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
4		AEP Gas Power GP, LLC		Energy		12/19/00		Delaware		100	.00%	Distributed generation products
5		AEP Gas Power Systems, LLC		Energy		07/09/96		Delaware		75	.00%	Distributed generation products
6		REP Holdco, LLC		Energy		04/04/01		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
7		Mutual Energy SWEPCO LLC		Energy		04/04/01		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
8		REP General Partner LLC		Energy		04/04/01		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
9		AEP Coal, Inc.		Energy		10/29/01		Nevada		100	.00%	Coal mining
10		Snowcap Coal Company, Inc.		Energy		10/29/01		Delaware		100	.00%	Coal mining
11		AEP Kentucky Coal, LLC		Energy		10/29/01		Delaware		100	.00%	Coal mining
12		AEP Ohio Coal, LLC		Energy		10/26/01		Delaware		100	.00%	Coal mining
13		AEP West Virginia Coal, Inc.		Energy		10/29/01		Nevada		100	.00%	Coal mining
14		Springdale Land, LLC		Energy		02/11/03		Delaware		100	.00%	Coal mining
15		AEP Energy Services, Inc.		Energy		09/24/96		Ohio		100	.00%	Broker and market energy  commodities
16		AEP EmTech, LLC		Energy		01/03/01		Delaware		100	.00%	Development + commercialization of electrotechnologies
17		Universal Supercapacitors, LLC		Energy		04/16/02		Delaware		50	.00%	Energy investments
18		Integrated Fuel Cell Technologies, Inc.		Energy		04/04/01		Delaware		0	.10%	Energy investments
19		Distribution Vision 2010, LLC		Energy		10/02/01		Delaware		20	.00%	Energy investments
20		Dynelec, Inc.		Energy		06/03/94		Ohio		1	.20%	Energy investments
21		Intercontinental Exchange, Inc.		Energy		06/16/00		Delaware		5	.30%	Marketing of natural gas, electricity, or energy-related products
22		Powerspan Corp		Energy		05/15/97		Delaware		9	.80%	Energy Investments
23		AEMT, Inc.		Energy		12/23/97		Florida		27	.00%	Energy Investments
24		Enerwise Global Technologies, Inc.		Energy		03/02/01		Delaware		5	.00%	Energy investments
25		Powerware Solutions, Inc.		Energy		02/15/94		Texas		4	.00%	Energy Investments
26		PHPK Technologies, Inc.		Energy		07/01/91		Ohio		40	.40%	Energy Investments
27		Mutual Energy LLC		Energy		12/17/99		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
28		AEP Ohio Retail Energy, LLC		Energy		09/05/00		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
29		AEP Power Marketing, Inc.		Energy		07/22/96		Ohio		100	.00%	Marketing of natural gas, electricity or energy related products
30		AEP Coal Marketing, LLC		Energy		01/22/03		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
31		AEP Emissions Marketing, LLC		Energy		01/22/03		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
32		AEP T&D Services, LLC		Energy		12/12/00		Delaware		100	.00%	Energy services including operations, supply chain, transmission and distribution
33		Diversified Energy Contractors Company, LLC		Energy		07/03/97		Delaware		100	.00%	Non-regulated energy-related services and projects
34		DECCO II LLC		Energy		08/08/97		Delaware		100	.00%	Non-regulated energy-related services and projects
35		Diversified Energy Contractors, LP		Energy		08/18/97		Delaware		100	.00%	Non-regulated energy-related services and projects
36		United Sciences Testing, Inc.		Energy		05/07/97		Delaware		100	.00%	Coal cleaning technology
37		AEP Texas POLR, LLC (aka AEP Texas Retail GP, LLC)		Energy		12/11/00		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
38		AEP Texas POLR GP, LLC		Energy		11/14/01		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
39		POLR Power, LP		Energy		11/14/01		Delaware		100	.00%	Marketing of natural gas, electricity or energy related products
40		The Arklahoma Corporation		Energy		05/16/47		Arkansas		44	.20%	Electric transmission
41		Southwest Arkansas Utilities Corporation		Energy		03/21/28		Arkansas		100	.00%	Real estate
42		Dolet Hills Lignite Company, LLC		Energy		04/09/01		Delaware		100	.00%	Coal mining
43		CSW Development-I, Inc.		Energy		12/06/90		Delaware		100	.00%	Independent power plant/ qualifying facility
44		Polk Power GP II, Inc.		Energy		03/20/95		Delaware		50	.00%	Independent power plant/ qualifying facility
45		Polk Power GP, Inc.		Energy		09/18/91		Delaware		100	.00%	Independent power plant/ qualifying facility
46		Polk Power Partners, LP		Energy		02/19/92		Delaware		50	.50%	Independent power plant/ qualifying facility
47		Mulberry Holdings, Inc.		Energy		10/28/99		Delaware		100	.00%	Independent power plant/ qualifying facility
48		CSW Mulberry II, Inc.*		Energy		03/21/95		Delaware		100	.00%	Independent power plant/ qualifying facility
49		CSW Mulberry, Inc.		Energy		02/03/94		Delaware		100	.00%	Independent power plant/ qualifying facility
50		Noah I Power GP, Inc.		Energy		05/14/91		Delaware		100	.00%	Independent power plant/ qualifying facility
51		Noah I Power Partners, LP		Energy		05/16/92		Delaware		96	.00%	Independent power plant/ qualifying facility
52		Brush Cogeneration Partners		Energy		11/01/91		Colorado		50	.00%	Independent power plant/ qualifying facility
53		Orange Cogeneration GP II, Inc.		Energy		03/16/95		Delaware		50	.00%	Independent power plant/ qualifying facility
54		Orange Cogeneration GP, Inc.		Energy		02/05/93		Delaware		100	.00%	Independent power plant/ qualifying facility
55		Orange Cogeneration Limited Partnership		Energy		02/05/93		Delaware		50	.50%	Independent power plant/ qualifying facility
56		Orange Cogen Funding Corp.		Energy		12/23/96		Delaware		100	.00%	Independent power plant/ qualifying facility
57		Orange Holdings, Inc.		Energy		10/28/99		Delaware		100	.00%	Independent power plant/ qualifying facility
58		CSW Orange II, Inc.*		Energy		03/16/95		Delaware		100	.00%	Independent power plant/ qualifying facility
59		CSW Orange, Inc.		Energy		04/21/93		Delaware		100	.00%	Independent power plant/ qualifying facility
60		CSW Ft. Lupton, Inc.		Energy		04/01/93		Delaware		100	.00%	Independent power plant/ qualifying facility
61		Thermo Cogeneration Partnership, LP		Energy		03/17/93		Delaware		50	.00%	Independent power plant/ qualifying facility
62		CSW Sweeny GP I, Inc.		Energy		09/06/95		Delaware		100	.00%	Independent power plant/ qualifying facility
63		CSW Sweeny GP II, Inc.		Energy		09/06/95		Delaware		100	.00%	Independent power plant/ qualifying facility
64		Sweeny Cogeneration Limited Partnership		Energy		10/10/95		Delaware		50	.00%	Independent power plant/ qualifying facility
65		CSW Sweeny LP I, Inc.		Energy		09/06/95		Delaware		100	.00%	Independent power plant/ qualifying facility
66		CSW Sweeny LP II, Inc.		Energy		09/06/95		Delaware		100	.00%	Independent power plant/ qualifying facility
67		CSW Power Marketing, Inc.		Energy		03/08/96		Delaware		100	.00%	Energy management
68		CSW Services International, Inc.*		Energy		03/19/97		Delaware		100	.00%	Energy management
69		CSW Energy Services, Inc.*		Energy		09/24/97		Delaware		100	.00%	Non-Regulated Energy-Related Services and Projects
70		Nuvest, LLC		Energy		02/20/96		Delaware		92	.90%	Staff augmentation to power plants
71		National Temporary Services, Inc.		Energy		12/31/90		Pennsylvania		100	.00%	Staff augmentation to power plants
72		Octagon, Inc.		Energy		11/05/93		Delaware		100	.00%	Staff augmentation to power plants
73		Numanco, LLC		Energy		04/08/96		Oklahoma		100	.00%	Staff augmentation to power plants
74		NuSun, Inc.		Energy		05/24/99		Delaware		100	.00%	Staff augmentation to power plants
75		Sun Technical Services, Inc.		Energy		01/16/91		California		100	.00%	Staff augmentation to power plants
76		Calibration and Testing Corporation		Energy		01/02/80		California		100	.00%	Staff augmentation to power plants
77		ESG, LLC		Energy		11/27/96		Oklahoma		50	.00%	Staff augmentation to power plants
78		Numanco Services, LLC		Energy		09/24/00		Oklahoma		100	.00%	Staff augmentation to power plants

ITEM 2 - ISSUANCES AND RENEWALS OF SECURITIES AND CAPITAL CONTRIBUTIONS

SECURITIES:
Company Issuing Security		Type of Security Issued		Principal Amount of Security		Issue or Renewal		Cost of Capital		Person to Whom Security Was Issued		Collateral Given With Security		Consideration Received for Each Security
(in thousands)
	None

CAPITAL CONTRIBUTIONS:
Company Contributing Capital		Company Receiving Capital		Amount of Capital Contributions
(in thousands)
	None

ITEM 3 — ASSOCIATED TRANSACTIONS

Part I — Transactions performed by reporting companies on behalf of associate companies

Reporting Company Rendering Services		Associate Company Receiving Services		Types of Services Rendered		Direct Costs Charged		Indirect Costs Charged		Cost of Capital		Total Amount Billed
(in thousands)
Nuvest, LLC		AEP Texas Central Company -   South Texas Project		Engineering		$2,628		$-		$-		$2,628
Nuvest, LLC		AEP Service Corporation -   Regional Service Organization		Engineering		5,049		-		-		5,049
Nuvest, LLC		Indiana Michigan Company -
		DC Cook Plant		Engineering		3,281		-		-		3,281
Nuvest, LLC		Various AEP Utility
		Operating Companies		Engineering		3,534		-		-		3,534
		Total				$14,492		$-		$-		$14,492

ITEM 3 — ASSOCIATED TRANSACTIONS (CONTINUED)

Part II — Transactions performed by associate companies on behalf of reporting companies

Associate Company Rendering Services		Reporting Company Receiving Services		Types of Services Rendered		Direct Costs Charged		Indirect Costs Charged		Cost of Capital		Total Amount Billed
						(in thousands)
American Electric Power Service Corporation		AEP Energy Services, Inc.		Administrative & Marketing		$1,494		$2,141		$-		$3,635
Houston Pipeline		AEP Energy Services, Inc.		Asset Management		6,250		-		-		6,250
Jefferson Island		AEP Energy Services, Inc.		Asset Management		1,250		-		-		1,250
CSW Energy, Inc.		Polk Power Partners, LP		Plant Services		716		210		-		926
CSW Energy, Inc.		Orange Cogeneration LP		Plant Services		510		211		-		721
CSW Services International Inc.		Sweeny Cogeneration LP		Plant Services		469		1,167		-		1,636
Total						$10,689		$3,729		$-		$14,418

ITEM 4 - SUMMARY OF AGGREGATE INVESTMENT

Investments in energy-related companies:
		(in thousands)
Total consolidated capitalization
as of June 30, 2004		$22,210,000	(a)			Line 1
Total capitalization multiplied by 15%
(line 1 multiplied by 0.15)		3,331,000				Line 2
Greater of $50 million or line 2				$3,331,000		Line 3
Total current aggregate investment:
(categorized by major line of energy-related business)
Energy-related Category 1: Energy Services		-
Energy-related Category 5: Energy Marketing		1,891,566
Energy-related Category 7: Maintenance Services		52,498
Energy-related Category 8: Qualifying Facility		510,050
Energy-related Category 10: Other Form of Energy		125,814
Energy-related Category 2,3,4,6,9		69,575
Total current aggregate investment				2,649,503		Line 4
Difference between the greater of $50 million or   15% of capitalization and the total aggregate   investment of the registered holding company   system (Line 3 less Line 4)				$681,497		Line 5

(a)     Includes short-term debt.

Investments in gas-related companies:

      NONE

ITEM 5 — OTHER INVESTMENTS

Major Line of Energy-Related Business		Other Investment in Last U-9C-3 Report		Other Investment in This U-9C-3 Report		Reason for Difference in Other Investment
		(in thousands)
CSW Energy Services
Invested prior to
April 1, 1997		$2,696		$2,696		Amounts are excluded from Item 4
Independent power plant/ qualifying facility
Invested prior to
April 1, 1997		194,644		194,644		Amounts are excluded from Item 4

ITEM 6 — FINANCIAL STATEMENTS AND EXHIBITS

        List all financial statements and exhibits filed as a part of this report.

Financial Statements:
  Balance sheets and Income Statements for period ended June 30, 2004 are
  filed confidentially under a separate cover for:

    AEP C&I Company, LLC
    AEP Coal, Inc.
    AEP EmTech LLC
    AEP Energy Services, Inc.
    AEP Gas Power GP, LLC
    AEP Gas Power System GP, LLC
    AEP Power Marketing, Inc.
    AEP T&D Services, LLC
    AEP Texas C&I Retail LP
    AEP Texas C&I Retail GP, LLC
    AEP Texas GP, LLC
    CSW Development-I, Inc. (consolidated)
    CSW Energy, Inc. (consolidated)
    CSW Energy Services, Inc.
    CSW Ft. Lupton, Inc.
    CSW Power Marketing, Inc.
    CSW Services International Inc.
    Diversified Energy Contractors Company, LLC (DECCO)
    Dolet Hills Lignite Company, LLC
    Mutual Energy LLC (consolidated)
    Mutual Energy SWEPCO LP
    Nuvest, LLC
    POLR Power, LP
    REP General Partner LLC
    Sweeny Cogeneration LP

Exhibits:

1. Certificate stating that a copy of the U-9C-3 for the previous quarter has been filed with the Ohio, Kentucky, Virginia, West Virginia, Tennessee, Indiana, Arkansas, Louisiana, Oklahoma, Michigan and Texas State Commissions.

CERTIFICATE

        The undersigned certifies that he is the duly designated and acting Controller and Chief Accounting Officer of American Electric Power Company, Inc., a New York corporation (“AEP”), and that:

        AEP’s Quarterly Report on Form U-9C-3 filed pursuant to Rule 58 for the quarter ended June 30, 2004 (the “Quarterly Report on Form U-9C-3”) was filed with each state commission having jurisdiction over the retail rates of the public utility companies that are associate companies of any of the reporting companies (the “Specific State Commissions”).

        The names and addresses of the Specific State Commissions are:

  Indiana Utility Regulatory Commission
  302 West Washington Street, E 306
  Indianapolis, Indiana 46204

  Kentucky State Commission
  211 Sower Boulevard
  P.O. Box 615
  Frankfort, Kentucky 40602

  Michigan Public Service Commission
  6545 Mercantile Way
  P.O. Box 30221
  Lansing, Michigan 48909

  Public Service Commission of West Virginia
  201 Brooks Street
  P.O. Box 812
  Charleston, West Virginia 25323

  Tennessee Regulatory Authority
  460 James Robertson Parkway
  Nashville, Tennessee 37243-0505

  The Public Utilities Commission of Ohio
  180 East Broad Street
  Columbus, Ohio 43215

  Virginia State Corporation Commission
  1300 East Main Street
  P.O. Box 2118
  Richmond, Virginia 23216

  Arkansas Public Service Commission
  1000 Center
  P.O. Box 400
  Little Rock, AR 72203-0400

  Louisiana Public Service Commission
  One American Place
  P.O. Box 91154
  Baton Rouge, LA 70821-9154

  Oklahoma Corporation Commission
  2102 N. Lincoln Blvd.
  P.O. Box 52000-2000
  Oklahoma City, OK 73152-2000

  Public Utility Commission of Texas
  1701 N. Congress Avenue
  Austin, TX 78701

        IN WITNESS WHEREOF, I have hereunto set my hand as of the 25th day of August, 2004.

By /s/ Joseph M. Buonaiuto 

---

Joseph M. Buonaiuto
Controller and Chief Accounting Officer
American Electric Power Company, Inc.

SIGNATURE

        The undersigned system company has duly caused this quarterly report to be signed on its behalf by the undersigned, thereunto duly authorized, pursuant to the requirements of the Public Utility Holding Company Act of 1935.

AMERICAN ELECTRIC POWER COMPANY, INC.

By /s/ Joseph M. Buonaiuto 

---

Joseph M. Buonaiuto
Controller and Chief Accounting Officer
American Electric Power Company, Inc.

August 25, 2004