Company:  UIL HOLDINGS CORP
Form Type:  10-K
Filing Date:  2/20/2014 
CIK:  0001082510 
Address:  157 CHURCH ST 
City, State, Zip:  NEW HAVEN, Connecticut 06510 
Telephone:  (203) 499-2000 
Fiscal Year:  12/31 
Description of Business
The primary business of UIL Holdings Corporation (UIL Holdings) is ownership of its operating regulated utility businesses. The utility businesses consist of the electric distribution and transmission operations of The United Illuminating Company (UI) and the natural gas transportation, distribution and sales operations of The Southern Connecticut Gas Company (SCG), Connecticut Natural Gas Corporation (CNG) and The Berkshire Gas Company (Berkshire, and collectively with SCG and CNG, the Gas Companies). UI is also a party to a joint venture with certain affiliates of NRG Energy, Inc. (NRG affiliates) pursuant to which UI holds 50% of the membership interests in GCE Holding LLC, whose wholly owned subsidiary, GenConn Energy LLC (together with GCE Holding LLC, GenConn) operates peaking generation plants in Devon, Connecticut (GenConn Devon) and Middletown, Connecticut (GenConn Middletown).
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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 UIL Holdings' Common Equity, Related ...
      Item 6. Selected Financial Data. (1)
      Item 7. Management's Discussion and Analysis of Financial ...
        LIQUIDITY AND CAPITAL RESOURCES
        RESULTS OF OPERATIONS
      Item 7A. Quantitative and Qualitative Disclosures About ...
      Item 8. Financial Statements and Supplementary Data.
        INCOME STATEMENT
        CASH FLOW
        BALANCE SHEET
        BALANCE SHEET
        STOCKHOLDERS EQUITY
        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 Governance.
      Item 11. Executive Compensation.
      Item 12. Security Ownership of Certain Beneficial Owners and ...
      Item 13. Certain Relationships and Related Transactions, and ...
      Item 14. Principal Accounting Fees and Services.
    Part IV
      Item 15. Exhibits and Financial Statement Schedules.
    Notes to Consolidated Financial Statements
    Report of Independent Registered Public Accounting Firm
    SIGNATURES
    INCOME STATEMENT
    BALANCE SHEET
    CASH FLOW
    VALUATION AND QUALIFYING ACCOUNTS
  EXHIBIT 10.6
  EXHIBIT 10.6A
  EXHIBIT 10.6B
  EXHIBIT 10.7
  EXHIBIT 10.7A
  EXHIBIT 10.7B
  EXHIBIT 10.8
  EXHIBIT 10.8A
  EXHIBIT 21
    SUBSIDIARIES
  EXHIBIT 23
    Consent of Independent Registered Public Accounting Firm
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32
    Certification of Periodic Financial Report