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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment PROPERTY, PLANT AND EQUIPMENT
The following table summarizes our property, plant and equipment with corresponding composite depreciation rates:
December 31, 2025
December 31, 2024
$ in millions
Composite Rate
Composite Rate
Regulated:
Transmission
$
871.7 
2.4%
$
759.9 
2.0%
Distribution
2,277.2 
3.5%
2,044.7 
3.3%
General
20.7 
5.8%
20.0 
5.6%
Non-depreciable
115.8 
N/A
112.0 
N/A
Total regulated
3,285.4 
2,936.6 
Unregulated:
Other
37.3 
3.5%
35.6 
3.5%
Non-depreciable
5.4 
N/A
5.4 
N/A
Total unregulated
42.7 
41.0 
Total property, plant and equipment in service
3,328.1 
3.1%
2,977.6 
2.9%
Less: accumulated depreciation
(647.3)
(571.7)
Net property, plant and equipment in service
2,680.8 
2,405.9 
Construction work in process
205.0 
165.5 
Property, plant and equipment, net
$
2,885.8 
$
2,571.4