UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM U-9C-3 QUARTERLY REPORT For the quarter ended March 31, 2004 Filed Pursuant to Rule 58 of the Public Utility Holding Company Act of 1935 ALLIANT ENERGY CORPORATION 4902 N. Biltmore Lane Madison, Wisconsin 53718-2132 608-458-3311 ALLIANT ENERGY CORPORATION FORM U-9C-3 For the Quarter Ended March 31, 2004 CONTENTS Page ITEM 1 - Organization Chart 3 ITEM 2 - Issuances and Renewals of Securities and Capital Contributions 5 ITEM 3 - Associate Transactions 6 ITEM 4 - Summary of Aggregate Investment 7 ITEM 5 - Other Investments 8 ITEM 6 - Financial Statements and Exhibits 8 SIGNATURES 8 EXHIBIT A 9 2 ITEM 1 - ORGANIZATION CHART (As of March 31, 2004) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Name of Company Energy- Percentage Nature (Organization Chart Hierarchy) or Gas- of Voting of (Inactive companies denoted with (*)) Related Date of State of Securities Business (Reporting companies denoted with (**)) Company Organization Organization Held (a) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Corporation N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy TransCo LLC N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- TRANSLink Development Company LLC (**) Energy 6/7/02 Delaware 16% (vii) - 4 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Distribution Vision 2010, LLC (**) Energy 10/2/01 Delaware 20% (vii) - 3 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Wisconsin Power and Light Company N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Dais Analytic Corporation (**) Energy 4/19/93 New York 1% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Resources, Inc. N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- ADI Thermal Power Corporation (**) Energy 8/11/97 Washington 4% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- American Superconductor Corporation (**) Energy 4/9/87 Delaware < 1% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- CellTech Power, Inc. (**) Energy 5/1/00 Delaware 1% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Nth Power Technologies Fund II, LP (**) Energy 2/25/00 California 8% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Distributed Energy Systems Corp. (**) (Also owned by AER Holding Company) Energy 5/19/03 Delaware < 1% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- STM Power, Inc. (**) Energy 3/17/03 Delaware < 1% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- AER Holding Company N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Distributed Energy Systems Corp. (**) (Also owned by Alliant Energy Resources, Inc.) Energy 5/19/03 Delaware < 1% (ii) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Integrated Services Company N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Industrial Energy Applications, Inc. (**) Energy 9/22/83 Iowa 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- BFC Gas Company LLC (**) Energy 12/7/95 Iowa 60% (vi) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- RMT, Inc. (**) Energy 7/29/83 Wisconsin 100% (vii) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- RMT North Carolina, Inc. (**) Energy 4/6/69 North Carolina 100% (vii) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- RMT, Inc., Michigan (**) Energy 12/15/95 Michigan 100% (vii) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- RMT International, Inc. (**) Energy 10/9/97 Wisconsin 100% (vii) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Heartland Energy Group, Inc. (**) Energy 6/1/95 Wisconsin 100% (v) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Industrial Energy Applications Delaware, Inc. N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Oak Hill Pipeline LP (**) Energy 4/1/97 Texas 99% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant South Texas Pipeline, LP (**) (Also owned by Alliant Energy Field Services, LLC) Energy 4/20/99 Texas 99% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Desdemona, LP (**) (Also owned by Alliant Energy Field Services, LLC) Energy 2/14/00 Delaware 99% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Bastian Bay Pipeline, LP (**) (Also owned by Alliant Energy Field Services, LLC) Energy 8/31/00 Texas 90% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Field Services, LLC N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant South Texas Pipeline, LP (**) (Also owned by Industrial Energy Applications Delaware, Inc.) Energy 4/20/99 Texas 99% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Desdemona, LP (**) (Also owned by Industrial Energy Applications Delaware, Inc.) Energy 2/14/00 Delaware 99% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- 3 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Name of Company Energy- Percentage Nature (Organization Chart Hierarchy) or Gas- of Voting of (Inactive companies denoted with (*)) Related Date of State of Securities Business (Reporting companies denoted with (**)) Company Organization Organization Held (a) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Bastian Bay Pipeline, LP (**) (Also owned by Industrial Energy Applications Delaware, Inc.) Energy 8/31/00 Texas 90% (ix) - 1 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- NG Energy Trading, LLC (**) Energy 9/26/00 Oklahoma 50% (v) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Integrated Services - Energy Solutions LLC (**) Energy 1/1/01 Iowa 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Schedin & Associates, Inc. (*) (**) Energy 6/22/82 Minnesota 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- SVBK Consulting Group, Inc. (*) (**) Energy 7/2/85 Florida 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Integrated Services - Energy Management LLC (**) Energy 1/1/01 Iowa 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Energy Performance Services, Inc. (**) Energy 12/17/93 Pennsylvania 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Cogenex Corporation (**) Energy 9/26/83 Massachusetts 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- APS Cogenex LLC (**) Energy 9/29/95 Delaware 50% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Energy Capital and Services I, LP (**) Energy 5/4/90 Massachusetts 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Energy Capital and Services II, LP (**) Energy 11/13/90 Massachusetts 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Cogenex West Corporation (**) Energy 9/26/83 Massachusetts 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- EUA Cogenex-Canada Inc. (**) Energy 10/11/94 Canada 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- EUA Cogenex-Canada Energy Services, Inc. (**) Energy 12/16/97 Canada 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Northeast Energy Management, Inc. (**) Energy 1/7/94 Massachusetts 100% (i) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Investments, Inc. N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Heartland Energy Services, Inc. N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- ReGENco LLC (**) Energy 4/19/99 Wisconsin 30% (vii) - 2 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Synfuel LLC N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Kaufman & Broad-Nexgen LLC N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- West Virginia Synfuel LP N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alpha Synfuel LLC N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- New River Synfuel LLC (**) Energy 3/9/98 Colorado 22% (vi) ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Alliant Energy Transportation, Inc. N/A N/A N/A N/A N/A ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- Williams Bulk Transfer Inc. (**) Energy 4/27/99 Iowa 100% (ix) - 2 ------------------------------------------------------------ ---------- ------------- --------------- --------------- ------------- N/A - Not applicable (a) The following abbreviations were used: -------------------- ------------------------------------------------------------------------------------------ Abbreviation Nature of Business -------------------- ------------------------------------------------------------------------------------------ (i) Energy management services (ii) Development and commercialization of innovative electro technologies (v) Brokering and marketing of energy commodities - natural gas (vi) Production of alternative fuels (vii) - 1 Environmental licensing, testing, and remediation services (vii) - 2 Integrated turbine and generator services (vii) - 3 Distribution system research and development (vii) - 4 Transmission system maintenance and operations (ix) - 1 Fuel transportation facilities services (ix) - 2 Fuel handling and storage facilities services -------------------- ------------------------------------------------------------------------------------------ 4 ITEM 2 - ISSUANCES AND RENEWALS OF SECURITIES AND CAPITAL CONTRIBUTIONS: Investment level at March 31, 2004 ------------------------------------------- --------------------------- -------------- --------------------------------------------- Principal Company Type of Amount of Person to Issuing Security Security Whom Security was Issued Security Issued (in thousands) (1) ------------------------------------------- --------------------------- -------------- --------------------------------------------- ADI Thermal Power Corporation Common stock $200 Alliant Energy Resources, Inc. Alliant Energy Desdemona, LP Partnership capital $1,223 Industrial Energy Applications Delaware, Inc. Partnership capital $1 Alliant Energy Field Services, LLC Alliant Energy Integrated Services - Energy Management LLC Money pool borrowings $11,755 Alliant Energy Resources, Inc. Alliant Energy Integrated Services - Energy Solutions LLC Money pool borrowings $5,367 Alliant Energy Resources, Inc. Alliant South Texas Pipeline, LP Partnership capital $4,295 Industrial Energy Applications Delaware, Inc. Partnership capital $7 Alliant Energy Field Services, LLC American Superconductor Corporation Common stock $963 Alliant Energy Resources, Inc. BFC Gas Company LLC Capital $1,975 Industrial Energy Applications, Inc. CellTech Power, Inc. Series A preferred stock $252 Alliant Energy Resources, Inc. Cogenex Corporation (Incl. subsidiaries) Money pool borrowings $83,170 Alliant Energy Resources, Inc. Dais Analytic Corporation Common stock $90 Wisconsin Power and Light Company Distribution Vision 2010, LLC Capital $100 Alliant Energy Corporation Energy Performance Services, Inc. Money pool borrowings $16,504 Alliant Energy Resources, Inc. Heartland Energy Group, Inc. Common stock $5,011 Alliant Energy Integrated Services Company Money pool borrowings $10,376 Alliant Energy Resources, Inc. Industrial Energy Applications, Inc. Common stock $21,060 Alliant Energy Integrated Services Company Money pool borrowings $19,247 Alliant Energy Resources, Inc. New River Synfuel LLC Capital $44,006 Alpha Synfuel LLC Nth Power Technologies Fund II, LP Partnership capital $7,750 Alliant Energy Resources, Inc. Oak Hill Pipeline LP Partnership capital $948 Industrial Energy Applications Delaware, Inc. Distributed Energy Systems Corp. Common stock $499 Alliant Energy Resources, Inc. Common stock $53 AER Holding Company ReGENco LLC Class A units $1,083 Heartland Energy Services, Inc. RMT, Inc. (Incl. subsidiaries) Common stock $11,822 Alliant Energy Integrated Services Company STM Power, Inc. Series A preferred stock $2,500 Alliant Energy Resources, Inc. TRANSLink Development Company Capital $288 Alliant Energy TransCo LLC Loan $2,186 Alliant Energy TransCo LLC Williams Bulk Transfer Inc. Common stock $1 Alliant Energy Transportation, Inc. Money pool borrowings $4,494 Alliant Energy Resources, Inc. ------------------------------------------- --------------------------- -------------- --------------------------------------------- (1) Associate companies. 5 ITEM 3 - ASSOCIATE TRANSACTIONS For the Quarter Ended March 31, 2004 Part I -- Transactions performed by reporting companies on behalf of associate companies (a): --------------------------------------------------------------------------------------------------------------------------------- Reporting Associate Direct Indirect Total Company Company Types of Costs Costs Cost of Amount Rendering Receiving Services Charged Charged Capital Billed Services Services Rendered (in thousands) (in thousands) (in thousands) (in thousands) --------------------------------------------------------------------------------------------------------------------------------- RMT WP&L Environmental consulting $306 $- $- $306 RMT IEA Environmental consulting 66 - - 66 RMT IP&L Environmental consulting 210 - - 210 RMT Resources Environmental consulting 6 - - 6 RMT AEG Environmental consulting 45 - - 45 ReGENco WP&L Integrated turbine & generator services 1 - - 1 ReGENco AEG Storage lease, handling & maintenance 140 - - 140 --------------------------------------------------------------------------------------------------------------------------------- Part II -- Transactions performed by associate companies on behalf of reporting companies (a): -------------------------------------------------------------------------------------------------------------------------------- Associate Reporting Direct Indirect Total Company Company Types of Costs Costs Cost of Amount Rendering Receiving Services Charged Charged Capital Billed Services Services Rendered (in thousands) (in thousands) (in thousands) (in thousands) -------------------------------------------------------------------------------------------------------------------------------- RMT IEA Environmental consulting $66 $- $- $66 -------------------------------------------------------------------------------------------------------------------------------- (a) The following abbreviations were used: ---------------- ------------------------------------------ --------------- ------------------------------------------ Abbreviation Legal Name Abbreviation Legal Name ---------------- ------------------------------------------ --------------- ------------------------------------------ AEG AEG Worldwide, Inc. Resources Alliant Energy Resources, Inc. IEA Industrial Energy Applications, Inc. RMT RMT, Inc. IP&L Interstate Power and Light Company WP&L Wisconsin Power and Light Company ReGENco ReGENco LLC ---------------- ------------------------------------------ --------------- ------------------------------------------ 6 ITEM 4 - SUMMARY OF AGGREGATE INVESTMENT (Dollars in thousands) Investments in energy-related companies: ---------------------------------------------------------------------------------- -------------------------- ---------- Total consolidated capitalization as of March 31, 2004 (a) $5,005,332 Line 1 ---------------------------------------------------------------------------------- -------------------------- ---------- Total capitalization multiplied by 15% (Line 1 multiplied by 0.15) 750,800 Line 2 ---------------------------------------------------------------------------------- -------------------------- ---------- Greater of $50 million or total capitalization multiplied by 15% (Line 2) 750,800 Line 3 ---------------------------------------------------------------------------------- -------------------------- ---------- Total current aggregate investment subsequent to April 21, 1998 (categorized by major line of energy-related business): Energy-related business category i 116,898 Energy-related business category ii 14,557 Energy-related business category iii - Energy-related business category iv - Energy-related business category v 12,099 Energy-related business category vi 52,780 Energy-related business category vii 5,324 Energy-related business category viii 20,918 (b) Energy-related business category ix 10,020 Energy-related business category x - -------------- Total current aggregate investment 232,596 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) $518,204 Line 5 ---------------------------------------------------------------------------------- -------------------------- ---------- Investments in gas-related companies: ------------------------------------------------------------------------ ------------------------- Total current aggregate investment (categorized by major line of gas-related business): Gas-related business category i $- Gas-related business category ii - ----------------- Total current aggregate investment $- ------------------------------------------------------------------------ ------------------------- (a) Includes common equity, cumulative preferred stock of subsidiaries, long-term debt, current maturities and sinking funds and short-term debt (variable rate demand bonds, commercial paper and other short-term borrowings). (b) Represents $20,918,000 of payments to purchase generation equipment that Alliant Energy intends to use to develop a qualifying facility. 7 ITEM 5 - OTHER INVESTMENTS (Dollars in thousands) ------------------------------------------ ----------------- ---------------- ---------------------------------------------------- Other Other Major Line Of Investment Investment Energy-Related In Last In This Reason for Difference Business U-9C-3 Report U-9C-3 Report In Other Investment ------------------------------------------ ----------------- ---------------- ---------------------------------------------------- Energy-related business category i* Industrial Energy Applications, Inc. $40,205 $40,205 No change. Energy-related business category v* Heartland Energy Group, Inc. $3,289 $3,289 No change. Energy-related business category vi* BFC Gas Company LLC $1,975 $1,975 No change. Energy-related business category vii* RMT, Inc. (including subsidiaries) $11,822 $11,822 No change. Energy-related business category ix* Oak Hill Pipeline LP $948 $948 No change. ------------------------------------------ ----------------- ---------------- ---------------------------------------------------- * Item 5 includes aggregate investments that were invested or committed to be invested in energy-related companies, prior to the date Rule 58 was effective for Alliant Energy Corporation (April 21, 1998 - Date Alliant Energy Corporation became a registered holding company), for which there is recourse, directly or indirectly, to Alliant Energy Corporation or any subsidiary thereof. ITEM 6 - FINANCIAL STATEMENTS AND EXHIBITS List all financial statements and exhibits filed as a part of this report. A. FINANCIAL STATEMENTS: Filed under confidential treatment pursuant to Rule 104 (b). B. EXHIBITS: 1. Exhibit A - Certificate of Alliant Energy Corporation 2. Copies of contracts required by Item 3: None SIGNATURES Pursuant to the requirements of the Public Utility Holding Company Act of 1935, Alliant Energy Corporation has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on the 27th day of May 2004. ALLIANT ENERGY CORPORATION -------------------------- Registrant By: /s/ John E. Kratchmer Vice President-Controller and Chief Accounting Officer ------------------------- (Principal Accounting Officer) John E. Kratchmer 8 Exhibit A ALLIANT ENERGY CORPORATION 4902 N. Biltmore Lane, Madison, Wisconsin 53718-2132 CERTIFICATE Pursuant to the requirements of Rule 58 of the Public Utility Holding Company Act of 1935, the undersigned certifies that a conformed copy of the quarterly report on Form U-9C-3 shall be filed with the interested state commissions promptly after filing with the SEC. The names and addresses of each state commission having jurisdiction over the retail rates of the public utility companies that are associate companies of any of the reporting companies are: Iowa Utilities Board 350 Maple Street Des Moines, Iowa 50319-0069 Illinois Commerce Commission 527 E. Capitol Avenue Springfield, Illinois 62701 Minnesota Public Utilities Commission 121 7th Place E. Suite 350 St. Paul, MN 55101-2147 Public Service Commission of Wisconsin 610 North Whitney Way, P.O. Box 7854 Madison, Wisconsin 53707-7854 ALLIANT ENERGY CORPORATION -------------------------- Registrant By: /s/ John E. Kratchmer Vice President-Controller and Chief Accounting Officer ------------------------- (Principal Accounting Officer) John E. Kratchmer 9