The following tables present the Registrants' major classes of property, plant and equipment and related accumulated depreciation.

December 31, 2025 (In millions)

 

Total Property, Plant and Equipment

 

 

Accumulated Depreciation

 

 

Net Property, Plant and Equipment

 

OG&E:

 

 

 

 

 

 

 

 

 

Distribution assets

 

$

7,075.1

 

 

$

1,744.3

 

 

$

5,330.8

 

Electric generation assets (A)

 

 

5,873.5

 

 

 

2,285.0

 

 

 

3,588.5

 

Transmission assets (B)

 

 

3,524.8

 

 

 

781.1

 

 

 

2,743.7

 

Intangible plant

 

 

2.5

 

 

 

0.7

 

 

 

1.8

 

Other property and equipment

 

 

1,465.9

 

 

 

406.4

 

 

 

1,059.5

 

OG&E property, plant and equipment

 

 

17,941.8

 

 

 

5,217.5

 

 

 

12,724.3

 

Non-OG&E property, plant and equipment

 

 

6.1

 

 

 

 

 

 

6.1

 

Total OGE Energy property, plant and equipment

 

$

17,947.9

 

 

$

5,217.5

 

 

$

12,730.4

 

(A)
This amount includes a plant acquisition adjustment of $148.3 million and accumulated amortization of $94.7 million.
(B)
This amount includes a plant acquisition adjustment of $3.3 million and accumulated amortization of $1.2 million.

December 31, 2024 (In millions)

 

Total Property, Plant and Equipment

 

 

Accumulated Depreciation

 

 

Net Property, Plant and Equipment

 

OG&E:

 

 

 

 

 

 

 

 

 

Distribution assets

 

$

6,654.5

 

 

$

1,639.8

 

 

$

5,014.7

 

Electric generation assets (A)

 

 

5,518.5

 

 

 

2,145.9

 

 

 

3,372.6

 

Transmission assets (B)

 

 

3,432.1

 

 

 

748.5

 

 

 

2,683.6

 

Intangible plant

 

 

752.3

 

 

 

203.7

 

 

 

548.6

 

Other property and equipment

 

 

705.3

 

 

 

244.3

 

 

 

461.0

 

OG&E property, plant and equipment

 

 

17,062.7

 

 

 

4,982.2

 

 

 

12,080.5

 

Non-OG&E property, plant and equipment

 

 

6.1

 

 

 

 

 

 

6.1

 

Total OGE Energy property, plant and equipment

 

$

17,068.8

 

 

$

4,982.2

 

 

$

12,086.6

 

(A)
This amount includes a plant acquisition adjustment of $148.3 million and accumulated amortization of $89.3 million.
(B)
This amount includes a plant acquisition adjustment of $3.3 million and accumulated amortization of $1.2 million.

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.