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$103.1 $101.8 
Fossil fuel40.1 40.7 
Natural gas in storage21.4 28.1 
Total$164.6 $170.6 

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