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Selected Balance Sheet Data
6 Months Ended
Jun. 30, 2024
Balance Sheet Related Disclosures [Abstract]  
Selected Balance Sheet Data
3. Selected Balance Sheet Data
(Millions of Dollars)June 30, 2024Dec. 31, 2023
Accounts receivable, net
Accounts receivable$169 $237 
Less allowance for bad debts(12)(15)
Accounts receivable, net$157 $222 
(Millions of Dollars)June 30, 2024Dec. 31, 2023
Inventories
Materials and supplies$59 $56 
Fuel11 13 
Total inventories$70 $69 

(Millions of Dollars)June 30, 2024Dec. 31, 2023
Property, plant and equipment, net
Electric plant$11,005 $10,752 
Plant to be retired (a)
190 248 
CWIP420 226 
Total property, plant and equipment11,615 11,226 
Less accumulated depreciation(2,832)(2,690)
Property, plant and equipment, net$8,783 $8,536 
(a)Amounts include Tolk and coal generation assets at Harrington pending facility gas conversion. Amounts are reported net of accumulated depreciation.