The following table summarizes the components of property, plant, and equipment (in millions) with their estimated useful lives (in years). The amounts are stated net of all prior asset impairment losses recognized.
Estimated Useful LifeDecember 31,
(in years)20252024
Electric generation and distribution facilities
5-40
$35,509 $29,740 
Other buildings
7-48
1,308 1,232 
Furniture, fixtures, and equipment
2-30
460 423 
Other
10-39
1,800 1,428 
Total electric generation, distribution assets and other
39,077 32,823 
Accumulated depreciation(9,796)(8,701)
Net electric generation, distribution assets and other
$29,281 $24,122 
Land
645 610 
Construction in progress
7,892 8,434 
Property, plant, and equipment, net
$37,818 $33,166 

Historical Timeline

Fiscal YearFiled
2025Mar 2, 2026Showing above
2024Mar 11, 2025
2023Feb 26, 2024
2022Mar 1, 2023
2021Feb 28, 2022
2020Feb 25, 2021
2019Feb 28, 2020
2018Feb 27, 2019
2017Feb 27, 2018
2016Feb 27, 2017
2015Feb 24, 2016

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.