A summary of property, plant and equipment by classification as of December 31, 2025 and 2024 is provided in the following table:
As of December 31,
(in millions)20252024
Property, plant and equipment
Regulated Energy
Natural gas distribution - Delmarva Peninsula and Florida $1,828.2 $1,679.3 
Natural gas transmission - Delmarva Peninsula, Pennsylvania, Ohio and Florida927.9 819.5 
Electric distribution185.4 163.0 
Unregulated Energy
Propane operations – Mid-Atlantic, Virginia, North Carolina, South Carolina and Florida208.1 201.6 
Natural gas transmission and supply – Ohio147.6 139.2 
Electricity and steam generation37.4 37.4 
Mobile CNG and pipeline solutions64.8 52.8 
Sustainable energy investments, including renewable natural gas related investments34.6 32.7 
Other38.3 29.9 
Total property, plant and equipment3,472.3 3,155.4 
Less: Accumulated depreciation and amortization(637.6)(567.6)
Plus: Construction work in progress283.7 148.1 
Net property, plant and equipment$3,118.4 $2,735.9 

Historical Timeline

Fiscal YearFiled
2025Feb 25, 2026Showing above
2024Feb 26, 2025
2023Feb 21, 2024
2022Feb 22, 2023
2021Feb 23, 2022
2020Feb 24, 2021

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.