Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
REVENUE	$ 1,070.6	$ 876.5	$ 861.0
OPERATING COSTS AND EXPENSES:
Purchased power	394.3	316.4	346.9
Operation and maintenance	281.1	259.1	232.1
Depreciation and amortization	119.4	95.2	82.1
Taxes other than income taxes	137.3	113.5	100.8
Other, net	0.0	1.2	0.0
Total operating costs and expenses	932.1	785.4	761.9
OPERATING INCOME	138.5	91.1	99.1
OTHER INCOME / (EXPENSE), NET:
Interest expense, net	(82.4)	(85.0)	(63.6)
Other income / (expense), net	(0.2)	(4.7)	(6.8)
Total other expense, net	(82.6)	(80.3)	(56.8)
INCOME BEFORE INCOME TAX	55.9	10.8	42.3
Income tax expense / (benefit)	22.9	(3.0)	6.6
Net income (loss)	33.0	13.8	35.7
NET INCOME	21.0	$ 13.8	$ 35.7
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest	$ (12.0)