
	Three Months Ended June 30, 2025
(Millions of Dollars)	Regulated electric utility		Regulated natural gas utility		Total segments
Operating revenues (a)	$	1,336	$	110	$	1,446
Intersegment revenue	—		4		4
Total segment revenues	1,336		114		1,450
Electric fuel and purchased power	465		—		465
Cost of natural gas sold and transported	—		45		45
O&M expenses	313		28		341
Depreciation and amortization	264		21		285
Other segment expenses, net	65		14		79
Interest charges and financing costs	83		10		93
Income tax benefit	(40)		(2)		(42)
Net income (loss)	$	186	$	(2)	$	184

Total segment net income					$	184
Non-segment net income					5
Consolidated net income					$	189

(a)Regulated electric results include $120 million of affiliate revenues. Regulated natural gas results include an immaterial amount of affiliate revenues.


	Three Months Ended June 30, 2024
(Millions of Dollars)	Regulated electric utility		Regulated natural gas utility		Total segments
Operating revenues (a)	$	1,237	$	90	$	1,327


Electric fuel and purchased power	464		—		464
Cost of natural gas sold and transported	—		23		23
O&M expenses	300		28		328
Depreciation and amortization	251		19		270
Other segment expenses, net	74		8		82
Interest charges and financing costs	77		8		85
Income tax benefit	(51)		—		(51)
Net income	$	122	$	4	$	126

Total segment net income					$	126
Non-segment net income					5
Consolidated net income					$	131

(a)Regulated electric results include $120 million of affiliate revenues. Regulated natural gas results include an immaterial amount of affiliate revenues.


	Six Months Ended June 30, 2025
(Millions of Dollars)	Regulated electric utility		Regulated natural gas utility		Total segments
Operating revenues (a)	$	2,630	$	470	$	3,100
Intersegment revenue	—		6		6
Total segment revenues	2,630		476		3,106
Electric fuel and purchased power	960		—		960
Cost of natural gas sold and transported	—		261		261
O&M expenses	634		53		687


Depreciation and amortization	535		43		578
Other segment expenses, net	135		39		174
Interest charges and financing costs	163		16		179
Income tax (benefit) expense	(114)		16		(98)
Net income	$	317	$	48	$	365






Total segment net income					$	365
Non-segment net income					8
Consolidated net income					$	373

(a)Regulated electric results include $242 million of affiliate revenues. Regulated natural gas results include an immaterial amount of affiliate revenues.


	Six Months Ended June 30, 2024
(Millions of Dollars)	Regulated electric utility		Regulated natural gas utility		Total segments
Operating revenues (a)	$	2,492	$	363	$	2,855
Intersegment revenue	—		1		1
Total segment revenues	2,492		364		2,856
Electric fuel and purchased power	923		—		923
Cost of natural gas sold and transported	—		162		162
O&M expenses	585		52		637


Depreciation and amortization	500		38		538
Other segment expenses, net	164		23		187
Interest charges and financing costs	153		15		168
Income tax (benefit) expense	(100)		19		(81)
Net income	$	267	$	55	$	322






Total segment net income					$	322
Non-segment net income					20
Consolidated net income					$	342