Company:  WISCONSIN ENERGY CORP (WEC)
Form Type:  10-K
Filing Date:  2/27/2013 
CIK:  0000783325 
Address:  231 W MICHIGAN ST
P O BOX 1331
 
City, State, Zip:  MILWAUKEE, Wisconsin 53201 
Telephone:  414-221-2345 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$47.61  
Change: 
-0.81 (-1.67%)  
Trade Time: 
Apr 17  
Market Cap: 
$10.75B
Description of Business
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  FORM 10-K
    PART I
      ITEM 1. BUSINESS
      ITEM 1A. RISK FACTORS
      ITEM 1B. UNRESOLVED STAFF COMMENTS
      ITEM 2. PROPERTIES
      ITEM 3. LEGAL PROCEEDINGS
      ITEM 4. MINE SAFETY DISCLOSURES
    PART II
      ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED ...
      ITEM 6. SELECTED FINANCIAL DATA
      ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL ...
        RESULTS OF OPERATIONS
          INCOME STATEMENT
          INCOME STATEMENT
        LIQUIDITY AND CAPITAL RESOURCES
        MARKET RISKS AND OTHER SIGNIFICANT RISKS
      ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
        INCOME STATEMENT
        BALANCE SHEET
        BALANCE SHEET
        CASH FLOW
        NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
      ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ...
      ITEM 9A. CONTROLS AND PROCEDURES
      ITEM 9B. OTHER INFORMATION
    PART III
      ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE ...
      ITEM 11. EXECUTIVE COMPENSATION
      ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS ...
      ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, ...
      ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES
    PART IV
      ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
    3. EXHIBITS AND EXHIBIT INDEX
    INCOME STATEMENT
    CASH FLOW
    BALANCE SHEET
    VALUATION AND QUALIFYING ACCOUNTS
    SIGNATURES
  EXHIBIT 10.18
  EXHIBIT 10.20
  EXHIBIT 10.21
  EXHIBIT 10.26
  EXHIBIT 21.1
    SUBSIDIARIES
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
  EXHIBIT 31.2
  EXHIBIT 32.1
    Certification Pursuant to
  EXHIBIT 32.2
    Certification Pursuant to
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