v3.26.1
Selected Balance Sheet Information
3 Months Ended
Mar. 31, 2026
Balance Sheet Related Disclosures [Abstract]  
Selected Balance Sheet Information SELECTED BALANCE SHEET INFORMATION
INVENTORIES–Inventories were as follows:
March 31,
2026
December 31,
2025
(In thousands)
Materials and supplies$259,968 $245,857 
Coal and fuel oil61,232 62,238 
Urea20,891 18,786 
Ammonia14,655 9,233 
Ammonium sulfate7,952 5,081 
Lime and limestone7,886 8,484 
Natural gas held in storage1,688 2,055 
Other6,124 7,078 
$380,396 $358,812 
COLLATERAL-Certain derivative instruments and certain agreements of Basin Electric and Dakota Gas contain contract provisions that require collateral to be posted if the credit ratings of Basin Electric fall below certain levels or if the counterparty exposure to Basin Electric or Dakota Gas exceeds a certain level.
Collateral posted (received) is related to derivative assets and liabilities and agreements that contain
credit-related contingent features and is in the consolidated balance sheets as follows:
March 31,
2026
December 31,
2025
(In thousands)
Other investments$51,215 $47,575 
Prepayments and other current assets26,350 3,350 
Taxes and other current liabilities(5,434)(1,954)
$72,131 $48,971