UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM U-9C-3 QUARTERLY REPORT For the quarter ended December 31, 2002 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 December 31, 2002 CONTENTS Page ITEM 1 - Organization Chart 3 ITEM 2 - Issuances and Renewals of Securities and Capital Contributions 3 ITEM 3 - Associate Transactions 4 ITEM 4 - Summary of Aggregate Investment 5 ITEM 5 - Other Investments 6 ITEM 6 - Financial Statements and Exhibits 6 SIGNATURES 6 EXHIBIT A 7 2 ITEM 1 - ORGANIZATION CHART Omitted for the fourth quarter pursuant to instructions for "Item 1." ITEM 2 - ISSUANCES AND RENEWALS OF SECURITIES AND CAPITAL CONTRIBUTIONS: Investment level at December 31, 2002 -------------------------------------------- --------------------------- -------------- -------------------------------------------- Principal Company Type of Amount of Person to Issuing Security Security Whom Security was Issued Security Issued (in thousands) (1) -------------------------------------------- --------------------------- -------------- -------------------------------------------- ADI Thermal Power, Corp. Common stock $200 Alliant Energy Resources, Inc. Alliant Energy Desdemona, LP Partnership capital $1,569 Industrial Energy Applications Delaware Inc. Partnership capital $1 Alliant Energy Field Services, LLC Alliant Energy Integrated Services - Energy Management LLC Money pool borrowings $9,605 Alliant Energy Resources, Inc. Alliant Energy Integrated Services - Energy Solutions LLC Money pool borrowings $4,729 Alliant Energy Resources, Inc. Alliant South Texas Pipeline, LP Partnership capital $6,140 Industrial Energy Applications Delaware Inc. Partnership capital $9 Alliant Energy Field Services, LLC American Superconductor Corporation Common stock $963 Alliant Energy Resources, Inc. AnAerobics, Inc. Preferred stock $1,333 Alliant Energy Resources, Inc AstroPower, Inc. Common stock $497 Alliant Energy Resources, Inc. BFC Gas Company LC Capital $1,988 Industrial Energy Applications, Inc. CellTech Power, Inc. Series A preferred stock $252 Alliant Energy Resources, Inc. Cogenex Corporation (Incl. subsidiaries) Money pool borrowings $72,394 Alliant Energy Resources, Inc. Dais Analytic Corporation Common stock $90 Wisconsin Power and Light Company Distribution Vision 2010 LLC Capital $50 Alliant Energy Corporation Energys, Inc. Common stock $8,746 Industrial Energy Applications, Inc. Energy Performance Services, Inc. Money pool borrowings $18,042 Alliant Energy Resources, Inc. Heartland Energy Group, Inc. Common stock $5,011 Alliant Energy Integrated Services Company Money pool borrowings $22,590 Alliant Energy Resources, Inc. Industrial Energy Applications, Inc. Common stock $21,060 Alliant Energy Integrated Services Company Money pool borrowings $21,306 Alliant Energy Resources, Inc. New River Synfuel LLC Capital $10,566 Alpha Synfuel LLC NG Energy Trading, LLC Capital $2,250 Heartland Energy Group, Inc. Nth Power Technologies Fund II, LP Partnership capital $6,000 Alliant Energy Resources, Inc. Oak Hill Pipeline LP Partnership capital $1,903 Industrial Energy Applications Delaware Inc. Proton Energy Systems, Inc. Common stock $499 Alliant Energy Resources, Inc. Common stock $22 AER Holding Company ReGENco LLC Class A units $1,083 Heartland Energy Services, Inc. Class B units $667 Heartland Energy Services, Inc. RMT, Inc. (Incl. subsidiaries) Common stock $11,822 Alliant Energy Integrated Services Company SmartEnergy, Inc. Common stock $15,000 Alliant Energy Resources, Inc. Bridge loan $21,320 Alliant Energy Resources, Inc. STM Power, Inc. Preferred stock $2,500 Alliant Energy Resources, Inc. TRANSLink Development Company Capital $288 Alliant Energy TransCo, LLC Loan $419 Alliant Energy TransCo, LLC Williams Bulk Transfer Inc. Common stock $1 Alliant Energy Transportation, Inc. Money pool borrowings $4,543 Alliant Energy Resources, Inc. -------------------------------------------- --------------------------- -------------- -------------------------------------------- (1) Associate companies. 3 ITEM 3 - ASSOCIATE TRANSACTIONS For the Quarter Ended December 31, 2002 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 $473 $- $- $473 RMT IEA Environmental consulting 56 - - 56 RMT IP&L Environmental consulting 219 - - 219 RMT Resources Environmental consulting 35 - - 35 RMT Barge Environmental consulting 1 - - 1 RMT AE Generation Environmental consulting 14 - - 14 ReGENco WP&L Integrated turbine & generator services 340 - - 340 ----------------------------------------------------------------------------------------------------------------------------------- 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 $56 $- $- $56 ---------------------------------------------------------------------------------------------------------------------------------- (a) The following abbreviations were used: ------------------ ------------------------------------------ -------------- ------------------------------------------ Abbreviation Legal Name Abbreviation Legal Name ------------------ ------------------------------------------ -------------- ------------------------------------------ AE Generation Alliant Energy Generation, Inc. ReGENco ReGENco LLC Barge IEI Barge Services, 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 ------------------ ------------------------------------------ -------------- ------------------------------------------ 4 ITEM 4 - SUMMARY OF AGGREGATE INVESTMENT (Dollars in thousands) Investments in energy-related companies: ---------------------------------------------------------------------------------- -------------------------- ---------- Total consolidated capitalization as of December 31, 2002 (a) $5,089,968 Line 1 ---------------------------------------------------------------------------------- -------------------------- ---------- Total capitalization multiplied by 15% (Line 1 multiplied by 0.15) 763,495 Line 2 ---------------------------------------------------------------------------------- -------------------------- ---------- Greater of $50 million or total capitalization multiplied by 15% (Line 2) 763,495 Line 3 ---------------------------------------------------------------------------------- -------------------------- ---------- Total current aggregate investment subsequent to April 21, 1998 (categorized by major line of energy-related business): Energy-related business category i 113,517 Energy-related business category ii 15,022 Energy-related business category iii - Energy-related business category iv - Energy-related business category v 62,882 Energy-related business category vi 19,376 Energy-related business category vii 3,557 Energy-related business category viii 240,233 (b) Energy-related business category ix 14,263 Energy-related business category x - --------------- Total current aggregate investment 468,850 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) $294,645 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 $156,199,000 of payments and $84,034,000 of commitments for future payments required to purchase generation equipment that Alliant Energy intends to use to develop one or more qualifying facilities. 5 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* Henwood Energy Services, Inc. $1,342 $0 In the fourth quarter of 2002, AER Holding Company sold their interest in Henwood Energy Services, Inc. Industrial Energy Applications, Inc. $47,133 $42,365 In the fourth quarter of 2002, Industrial Energy Applications, Inc. repaid $4,768 of money pool borrowings to Alliant Energy Resources, Inc. Energy-related business category v* Heartland Energy Group, Inc. $3,289 $3,289 No change. Energy-related business category vi* BFC Gas Company LC $2,109 $1,988 In the fourth quarter of 2002, BFC Gas Company LC made a distribution of $121 to Industrial Energy Applications, Inc. Energy-related business category vii* RMT, Inc. (including subsidiaries) $11,822 $11,822 No change. Energy-related business category ix* Oak Hill Pipeline LP $2,279 $1,903 In the fourth quarter of 2002, Oak Hill Pipeline LP made a distribution of $376 to Industrial Energy Applications Delaware Inc. ------------------------------------------ ----------------- ---------------- ---------------------------------------------------- * 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: Omitted for the fourth quarter pursuant to instructions for "Item 6." 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 31st day of March 2003. ALLIANT ENERGY CORPORATION -------------------------- Registrant By: /s/ John E. Kratchmer Vice President-Controller and Chief Accounting Officer --------------------------- (Principal Accounting Officer) John E. Kratchmer 6 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 7