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SEGMENT INFORMATION (Tables)
6 Months Ended
Jun. 30, 2011
SEGMENT INFORMATION [Abstract]  
Reconciliation of operating profit (loss) from segments to consolidated
The following table reconciles certain segment information with that provided in UIL Holdings’ Consolidated Financial Statements.  In the table, distribution includes all electric utility revenue and expenses except for transmission, which is provided in a separate column.  “Other” includes the information for the remainder of UIL Holdings’ non-utility activities and unallocated corporate costs, including minority interest investments, administrative costs and interest expense.

(In Thousands)
                  
   
Three months ended June 30, 2011
 
   
Electric Distribution and Transmission
          
   
Distribution
  
Transmission
  
Total
  
Gas Distribution
  
Other (1)
  
Total
 
Operating Revenues
 $135,437  $47,999  $183,436  $130,609  $4  $314,049 
Purchased power and gas
  37,311   -   37,311   63,537   -   100,848 
Operation and maintenance
  46,259   7,980   54,239   40,472   291   95,002 
Transmission wholesale
  -   17,607   17,607   -   -   17,607 
Depreciation and amortization
  19,526   3,094   22,620   11,766   82   34,468 
Taxes - other than income taxes
  10,860   6,699   17,559   8,340   1   25,900 
Acquisition-related expenses
  -   -   -   -   -   - 
Operating Income
  21,481   12,619   34,100   6,494   (370)  40,224 
                          
Other Income and (Deductions), net
  3,357   1,692   5,049   471   84   5,604 
                          
Interest Charges, net
  7,283   3,019   10,302   7,769   5,526   23,597 
                          
Income (Loss) Before Income Taxes and Equity Earnings
  17,555   11,292   28,847   (804)  (5,812)  22,231 
Income Taxes
  9,101   3,408   12,509   656   (2,457)  10,708 
Income (Loss) Before Equity Earnings
  8,454   7,884   16,338   (1,460)  (3,355)  11,523 
Income from Equity Investments
  2,647   -   2,647   -   -   2,647 
Net Income (Loss)
  11,101   7,884   18,985   (1,460)  (3,355)  14,170 
Less:
                        
Preferred Stock Dividends of
                        
       Subsidiary, Noncontrolling Interests
  -   -   -   14   -   14 
Net Income (Loss) attributable to UIL Holdings
 $11,101  $7,884  $18,985  $(1,474) $(3,355) $14,156 
                          
                          
   
Three months ended June 30, 2010
     
   
Electric Distribution and Transmission
             
   
Distribution
  
Transmission
  
Total
  
Other (1)
  
Total
     
Operating Revenues
 $162,142  $44,971  $207,113  $3  $207,116     
Purchased power
  53,567   -   53,567   -   53,567     
Operation and maintenance
  55,382   6,870   62,252   115   62,367     
Transmission wholesale
  -   15,339   15,339   -   15,339     
Depreciation and amortization
  23,788   3,238   27,026   12   27,038     
Taxes - other than income taxes
  10,408   6,184   16,592   -   16,592     
Acquisition-related expenses
  -   -   -   6,700   6,700     
Operating Income
  18,997   13,340   32,337   (6,824)  25,513     
                          
Other Income and (Deductions), net
  4,124   648   4,772   132   4,904     
                          
Interest Charges, net
  6,610   2,915   9,525   942   10,467     
                          
Income (Loss) Before Income Taxes and Equity Earnings
  16,511   11,073   27,584   (7,634)  19,950     
Income Taxes
  6,199   4,396   10,595   (3,031)  7,564     
Income (Loss) Before Equity Earnings
  10,312   6,677   16,989   (4,603)  12,386     
Income (Loss) from Equity Investments
  (897)  -   (897)  -   (897)    
Net Income
 $9,415  $6,677  $16,092  $(4,603) $11,489     
                          
(1) Includes UIL Holdings Corporate and UIL Holdings' non-utility activities, and the elimination of intercompany accounts and notes receivable.
     

Reconciliation of total assets from segments to consolidated
(In Thousands)
                  
   
Six months ended June 30, 2011
 
   
Electric Distribution and Transmission
          
   
Distribution
  
Transmission
  
Total
  
Gas Distribution
  
Other (1)
  
Total
 
Operating Revenues
 $287,066  $94,596  $381,662  $493,433  $7  $875,102 
Purchased power and gas
  86,574   -   86,574   292,880   -   379,454 
Operation and maintenance
  95,599   14,978   110,577   77,960   463   189,000 
Transmission wholesale
  -   34,629   34,629   -   -   34,629 
Depreciation and amortization
  40,742   6,164   46,906   23,573   94   70,573 
Taxes - other than income taxes
  22,298   13,524   35,822   25,584   1   61,407 
Acquisition-related expenses
  -   -   -   -   -   - 
Operating Income
  41,853   25,301   67,154   73,436   (551)  140,039 
                          
Other Income and (Deductions), net
  7,532   3,138   10,670   (450)  49   10,269 
                          
Interest Charges, net
  14,775   5,981   20,756   14,801   11,514   47,071 
                          
Income (Loss) Before Income Taxes and Equity Earnings
  34,610   22,458   57,068   58,185   (12,016)  103,237 
Income Taxes
  17,491   6,876   24,367   22,224   (4,873)  41,718 
Income (Loss) Before Equity Earnings
  17,119   15,582   32,701   35,961   (7,143)  61,519 
Income from Equity Investments
  4,709   -   4,709   -   -   4,709 
Net Income (Loss)
  21,828   15,582   37,410   35,961   (7,143)  66,228 
Less:
                        
Preferred Stock Dividends of
                        
       Subsidiary, Noncontrolling Interests
  -   -   -   28   -   28 
Net Income (Loss) attributable to UIL Holdings
 $21,828  $15,582  $37,410  $35,933  $(7,143) $66,200 
                          
                          
   
Six months ended June 30, 2010
     
   
Electric Distribution and Transmission
             
   
Distribution
  
Transmission
  
Total
  
Other (1)
  
Total
     
Operating Revenues
 $337,232  $90,157  $427,389  $7  $427,396     
Purchased power
  128,915   -   128,915   -   128,915     
Operation and maintenance
  99,697   13,957   113,654   334   113,988     
Transmission wholesale
  -   30,815   30,815   -   30,815     
Depreciation and amortization
  47,857   6,410   54,267   22   54,289     
Taxes - other than income taxes
  21,844   12,452   34,296   -   34,296     
Acquisition-related expenses
  -   -   -   6,700   6,700     
Operating Income
  38,919   26,523   65,442   (7,049)  58,393     
                          
Other Income and (Deductions), net
  7,579   1,039   8,618   342   8,960     
                          
Interest Charges, net
  13,268   5,852   19,120   1,898   21,018     
                          
Income (Loss) Before Income Taxes and Equity Earnings
  33,230   21,710   54,940   (8,605)  46,335     
Income Taxes
  12,839   8,619   21,458   (3,416)  18,042     
Income (Loss)  Before Equity Earnings
  20,391   13,091   33,482   (5,189)  28,293     
Income (Loss) from Equity Investments
  (889)  -   (889)  -   (889)    
Net Income
 $19,502  $13,091  $32,593  $(5,189)  27,404     
                          
   
Electric Distribution and Transmission
             
   
Distribution
  
Transmission
  
Total
  
Gas Distribution
  
Other (1)
  
Total (3)
 
Total Assets at June 30, 2011
 $-  $-  $2,571,172  $1,946,319  $(30,458) $4,487,033 
                          
Total Assets at December 31, 2010
 $-  $-  $2,371,621  $2,033,576  $50,236  $4,455,433 
                          
(1) Includes UIL Holdings Corporate and UIL Holdings' non-utility activities, and the elimination of intercompany accounts and notes receivable.
     
(2) Information for segmenting total assets between Distribution and Transmission is not available. Total UI assets are disclosed in the
        
     Total UI column. Net plant in service is segregated by segment and, as of June 30, 2011, was $889.2 million and $537.6million
         
     for Distribution and Transmission, respectively. As of December 31, 2010, net plant in service was $820.9 million and $512.2 million
         
     for Distribution and Transmission, respectively.
                        
(3) Includes $302.2 million and $298.9 million of goodwill in the Gas Distribution segment as of June 30, 2011 and December 31, 2010, respectively.