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REGULATORY LIABILITIES (Tables)
3 Months Ended
Mar. 31, 2022
REGULATORY LIABILITIES [Abstract]  
Regulatory Liabilities
Regulatory liabilities comprise:
 
 
 
(in thousands)
 
 
 
March 31, 2022
   
December 31, 2021
 
 
           
Utility plant retirement cost obligation
 
$
158
   
$
149
 
Deferred income taxes (related to TCJA)
   
21,574
     
21,111
 
   
$
21,732
   
$
21,260