v3.26.3
MATERIALS, SUPPLIES, AND INVENTORIES
9 Months Ended
Sep. 30, 2026
Inventory Disclosure [Abstract]  
MATERIALS, SUPPLIES, AND INVENTORIES MATERIALS, SUPPLIES, AND INVENTORIES
Our inventories consisted of:
(in millions)September 30, 2026December 31, 2025
Materials and supplies$242.2 $225.2 
Natural gas in storage51.1 44.2 
Fossil fuel45.2 53.3 
Total$338.5 $322.7 

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