v3.26.1
MATERIALS, SUPPLIES, AND INVENTORIES
6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
MATERIALS, SUPPLIES, AND INVENTORIES MATERIALS, SUPPLIES, AND INVENTORIES
Our inventories consisted of:
(in millions)June 30, 2026December 31, 2025
Materials and supplies$244.1 $225.2 
Fossil fuel59.2 53.3 
Natural gas in storage29.5 44.2 
Total$332.8 $322.7 

Substantially all materials and supplies, fossil fuel, and natural gas in storage inventories are recorded using the weighted-average cost method of accounting.