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Inventories
 12 Months Ended
Dec. 31, 2022
Text Block 1 [Abstract]  
Inventories
NOTE 9. INVENTORIES
Inventories consisted of the following:
 
  December 31,
   
                    2022
     
                    
2021		  
     
Direct materials
   
  $
107,575
 
    $ 83,943  
     
Repair and distribution parts
   
 
136,876
 
      54,156  
     
Work-in-progress
   
 
98,297
 
      31,298  
     
Equipment
   
 
26,550
 
      3,290  
     
Total inventories
   
  $
369,298
 
    $ 172,687  
     
  
December 31,
   
2022
      2021    
     
Work-in-progress
related to finance leases
   
  $
41,986
 
    $ 36,169    
The amount of inventory and overhead costs recognized as an expense and included in COGS during 2022 was $1,455.1 million (December 31, 2021 – $757.9 million). COGS is made up of direct materials, direct labour, depreciation on manufacturing assets, post-manufacturing expenses, and overhead. COGS also includes inventory write-downs pertaining to obsolescence and aging, and recoveries of past write-downs upon disposition. The net change in inventory reserves charged to the consolidated statements of earnings and included in COGS for the year ended December 31, 2022 was $2.1 million (December 31, 2021 – $6.1 million).
The costs related to the construction of energy infrastructure assets determined to be finance leases are accounted for as
work-in-progress
related to finance leases. Once the project is completed and enters service it is reclassified to COGS. During the year ended December 31, 2022 the Company invested $
74.5 million (December 31, 2021 – $36.2 million) related to finance leases.