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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2017
COMMITMENTS AND CONTINGENCIES [Abstract]  
Future Minimum Rental Payments
Future minimum annual rental payments related to non-cancellable operating leases for the years subsequent to 2017 are as follows:

In thousands
   
2018
 
$
78
 
2019
  
56
 
2020
  
57
 
2021
  
58
 
2022
  
60
 
2023 through 2043
  
1,336
 
 
 
$
1,645
 

Minimum Annual Purchase Commitments
The minimum annual purchase commitments for all interconnection agreements for 2018 through 2021, calculated at the noticed rates, are as follows:

In thousands
   
2018
  
3,824
 
2019
  
3,824
 
2020
  
3,835
 
2021
  
3,824
 
Total
 
$
15,307
 

Budgeted Mandatory Utility Plant Expenditures
Budgeted mandatory utility plant expenditures, due to planned governmental highway projects, which require the relocation of Artesian Water's water service mains, expected to be incurred in 2018 through 2020 are as follows:

In thousands
   
2018
 
$
3,851
 
2019
  
1,535
 
2020
  
550
 
  
$
5,936