UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM U-9C-3 QUARTERLY REPORT For the quarter ended March 31, 2003 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, 2003 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, 2003) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- Name of Company Energy- Percentage of Nature (Organization Chart Hierarchy) or Gas- 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 14% (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 2% (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) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- AnAerobics, Inc. (**) Energy 5/8/96 Delaware 6% (ix) - 3 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- AstroPower, Inc. (**) Energy 4/28/89 Delaware < 1% (ii) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- CellTech Power, Inc. (**) Energy 5/1/00 Massachusetts 1% (ii) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- Nth Power Technologies Fund II, LP (**) Energy 2/25/00 California 8% (ii) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- Proton Energy Systems, Inc. (**) (Also owned by AER Holding Company) Energy 8/16/96 Delaware < 1% (ii) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- SmartEnergy, Inc. (**) Energy 11/3/00 Delaware 95% (v) - 2 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- STM Power, Inc. (**) Energy 4/1/93 Michigan 8% (ii) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- AER Holding Company N/A N/A N/A N/A N/A ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- Proton Energy Systems, Inc. (**) (Also owned by Alliant Energy Resources, Inc.) Energy 8/16/96 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) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- Energys, Inc. (**) Energy 6/25/84 Wisconsin 100% (i) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- 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) - 1 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- 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 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- 3 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- 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 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- 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 51% (v) - 1 ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- 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) ----------------------------------------------------------- --------- -------------- ---------------- --------------- ------------- AGRA Cogenex Joint Venture (**) Energy 7/8/97 Canada 50% (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 10/14/99 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) - 1 Brokering and marketing of energy commodities - natural gas (v) - 2 Brokering and marketing of energy commodities - natural gas and electricity (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 (ix) - 3 Waste water treatment ----------------- ----------------------------------------------------------------------------- 4 ITEM 2 - ISSUANCES AND RENEWALS OF SECURITIES AND CAPITAL CONTRIBUTIONS: Investment level at March 31, 2003 ------------------------------------------ --------------------------- -------------- ---------------------------------------------- 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 $1,569 Industrial Energy Applications Delaware, Inc. Partnership capital $1 Alliant Energy Field Services, LLC Alliant Energy Integrated Services - Energy Management LLC Money pool borrowings $9,809 Alliant Energy Resources, Inc. Alliant Energy Integrated Services - Energy Solutions LLC Money pool borrowings $4,628 Alliant Energy Resources, Inc. Alliant South Texas Pipeline, LP Partnership capital $5,845 Industrial Energy Applications Delaware, Inc. Partnership capital $8 Alliant Energy Field Services, LLC American Superconductor Corporation Common stock $963 Alliant Energy Resources, Inc. AnAerobics, Inc. Series A preferred stock $2,000 Alliant Energy Resources, Inc AstroPower, Inc. Common stock $497 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 $71,014 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. Money pool borrowings $119 Alliant Energy Resources, Inc. Energy Performance Services, Inc. Money pool borrowings $18,322 Alliant Energy Resources, Inc. Heartland Energy Group, Inc. Common stock $5,011 Alliant Energy Integrated Services Company Industrial Energy Applications, Inc. Common stock $21,060 Alliant Energy Integrated Services Company Money pool borrowings $20,524 Alliant Energy Resources, Inc. New River Synfuel LLC Capital $17,159 Alpha Synfuel LLC Nth Power Technologies Fund II, LP Partnership capital $7,000 Alliant Energy Resources, Inc. Oak Hill Pipeline LP Partnership capital $1,616 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 $23,139 Alliant Energy Resources, Inc. STM Power, Inc. Series A preferred stock $2,500 Alliant Energy Resources, Inc. TRANSLink Development Company Capital $288 Alliant Energy TransCo, LLC Loan $631 Alliant Energy TransCo, LLC Williams Bulk Transfer Inc. Common stock $1 Alliant Energy Transportation, Inc. Money pool borrowings $4,444 Alliant Energy Resources, Inc. ------------------------------------------ --------------------------- -------------- ---------------------------------------------- (1) Associate companies. 5 ITEM 3 - ASSOCIATE TRANSACTIONS For the Quarter Ended March 31, 2003 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 $539 $- $- $539 RMT IEA Environmental consulting 24 - - 24 RMT IP&L Environmental consulting 209 - - 209 RMT Resources Environmental consulting 21 - - 21 RMT Barge Environmental consulting 1 - - 1 RMT AEG Environmental consulting 18 - - 18 ReGENco WP&L Integrated turbine & generator services 389 - - 389 ReGENco AEG Storage lease, handling & maintenance 338 - - 338 ------------------------------------------------------------------------------------------------------------------------------- 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 $24 $- $- $24 -------------------------------------------------------------------------------------------------------------------------------- (a) The following abbreviations were used: ---------------- ------------------------------------------ --------------- ------------------------------------------ Abbreviation Legal Name Abbreviation Legal Name ---------------- ------------------------------------------ --------------- ------------------------------------------ AEG AEG Worldwide, Inc. Resources Alliant Energy Resources, Inc. Barge IEI Barge Services, Inc. ReGENco ReGENco LLC IEA Industrial Energy Applications, Inc. RMT RMT, Inc. IP&L Interstate Power and Light Company WP&L Wisconsin Power and Light Company ---------------- ------------------------------------------ --------------- ------------------------------------------ 6 ITEM 4 - SUMMARY OF AGGREGATE INVESTMENT (Dollars in thousands) Investments in energy-related companies: ---------------------------------------------------------------------------------- -------------------------- ---------- Total consolidated capitalization as of March 31, 2003 (a) $5,253,193 Line 1 ---------------------------------------------------------------------------------- -------------------------- ---------- Total capitalization multiplied by 15% (Line 1 multiplied by 0.15) 787,979 Line 2 ---------------------------------------------------------------------------------- -------------------------- ---------- Greater of $50 million or total capitalization multiplied by 15% (Line 2) 787,979 Line 3 ---------------------------------------------------------------------------------- -------------------------- ---------- Total current aggregate investment subsequent to April 21, 1998 (categorized by major line of energy-related business): Energy-related business category i 112,638 Energy-related business category ii 15,022 Energy-related business category iii - Energy-related business category iv - Energy-related business category v 39,861 Energy-related business category vi 25,964 Energy-related business category vii 3,769 Energy-related business category viii 116,276 (b) Energy-related business category ix 13,869 Energy-related business category x - ------------- Total current aggregate investment 327,399 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) $460,580 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 $98,763,000 of payments and $17,513,000 of commitments for future payments required to purchase generation equipment that Alliant Energy intends to use to develop one or more qualifying facilities. 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. $42,365 $41,584 In the first quarter of 2003, Industrial Energy Applications, Inc. repaid $781 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 $1,988 $1,975 In the first quarter of 2003, BFC Gas Company LC made a distribution of $13 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 $1,903 $1,616 In the first quarter of 2003, Oak Hill Pipeline LP made a distribution of $287 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: 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: Copies of contracts required to be provided by Item 3 have been filed under confidential treatment pursuant to Rule 104 (b). 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 23rd day of May 2003. ALLIANT ENERGY CORPORATION -------------------------- Registrant By: /s/ John E. Kratchmer Vice President-Controller and Chief Accounting Officer ------------------------- John E. Kratchmer (Principal Accounting Officer) 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 ------------------------- John E. Kratchmer (Principal Accounting Officer) 9