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LEASE OBLIGATIONS
12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
LEASE OBLIGATIONS
(I)  LEASE OBLIGATIONS

UIL Holdings and its wholly-owned direct and indirect subsidiaries have lease arrangements for data processing equipment, office equipment, office space and land.

Operating leases, which are charged to operating expense, consist principally of leases of office space and facilities, land, railroad rights of way and a wide variety of equipment.  The future minimum lease payments under these operating leases are estimated to be as follows:

   
(In Thousands)
 
2013
 $4,591 
2014
  3,686 
2015
  3,181 
2016
  3,196 
2017
  3,189 
2018-after
  42,313 
   $60,156 

Rental payments charged to operating expenses in 2012, 2011 and 2010 were as follows:

   
Year Ended December 31,
 
   
2012
  
2011
  
2010
 
   
(In Thousands)
 
           
Rental payments
 $14,548  $17,949  $13,997 
Less: Sublease rental payments received
  241   1,148   1,120 
Rental payments charged to operating expenses
 $14,307  $16,801  $12,877