CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021		Sep. 30, 2020
Operating revenues
Electric	$ 1,048.0	$ 916.0	$ 2,608.0		$ 2,343.0
Natural gas	177.0	156.0	930.0		674.0
Other	12.0	9.0	34.0		32.0
Total operating revenues	1,237.0	1,081.0	3,572.0	[1]	3,049.0	[1]
Operating expenses
Electric fuel and purchased power	403.0	299.0	1,002.0		828.0
Cost of natural gas sold and transported	43.0	35.0	381.0		222.0
Cost of sales — other	5.0	3.0	11.0		10.0
Operating and maintenance expenses	210.0	196.0	622.0		590.0
Demand side management expenses	34.0	36.0	98.0		107.0
Depreciation and amortization	189.0	164.0	557.0		479.0
Taxes (other than income taxes)	62.0	58.0	192.0		167.0
Total operating expenses	946.0	791.0	2,863.0		2,403.0
Operating income	291.0	290.0	709.0		646.0
Other income (expense), net	0.0	(1.0)	3.0		(1.0)
Allowance for funds used during construction — equity	7.0	10.0	19.0		30.0
Interest charges and financing costs
Interest charges — includes other financing costs of $2, $2, $6 and $5, respectively	62.0	60.0	183.0		183.0
Allowance for funds used during construction — debt	(3.0)	(3.0)	(6.0)		(12.0)
Total interest charges and financing costs	59.0	57.0	177.0		171.0
Income before income taxes	239.0	242.0	554.0		504.0
Income tax expense	24.0	24.0	38.0		49.0
Net income	215.0	218.0	516.0		455.0
Cash, cash equivalents and restricted cash at beginning of period	87.0		87.0
Accounts receivable, net	363.0		363.0
Accounts receivable from affiliates	0.0		0.0
Investments under utility money pool arrangement	30.0		30.0
Accrued Unbilled Revenues	249.0		249.0
Total inventories	231.0		231.0
Regulatory Assets, Current	277.0		277.0
Derivative instruments	91.0		91.0
Prepayments and other	79.0		79.0
Assets, Current	1,407.0		1,407.0
Property, plant and equipment, net	18,120.0		18,120.0
Regulatory Assets, Noncurrent	1,468.0		1,468.0
Derivative instruments	21.0		21.0
Operating Lease, Right-of-Use Asset	433.0		433.0
Other Assets, Noncurrent	218.0		218.0
Other Assets, Excluding Property, Plant and Equipment	2,140.0		2,140.0
Assets	21,667.0		21,667.0
Current portion of long-term debt	300.0		300.0
Borrowings under utility money pool arrangement	0.0		0.0
Short-term debt	0.0		0.0
Accounts payable	510.0		510.0
Accounts payable to affiliates	67.0		67.0
Regulatory Liability, Current	103.0		103.0
Taxes accrued	201.0		201.0
Accrued interest	37.0		37.0
Dividends payable to parent	127.0		127.0
Derivative Instruments and Hedges, Liabilities	34.0		34.0
Operating lease liabilities	95.0		95.0
Other Liabilities, Current	103.0		103.0
Liabilities, Current	1,577.0		1,577.0
Deferred income taxes	1,969.0		1,969.0
Regulatory Liability, Noncurrent	2,394.0		2,394.0
Asset retirement obligations	411.0		411.0
Derivative instruments	19.0		19.0
Customer advances	163.0		163.0
Liability, Defined Benefit Plan, Noncurrent	108.0		108.0
Operating lease liabilities	366.0		366.0
Other Liabilities, Noncurrent	184.0		184.0
Liabilities, Other than Long-term Debt, Noncurrent	5,614.0		5,614.0
Commitments and Contingencies
Long-term Debt and Lease Obligation	$ 6,166.0		$ 6,166.0
Common Stock, Shares Authorized	100		100
Common Stock, Par or Stated Value Per Share	$ 0.01		$ 0.01
Common Stock, Shares, Outstanding	100		100
Common Stock, Value, Issued	$ 0.0		$ 0.0
Additional paid in capital	6,333.0		6,333.0
Retained earnings	2,000.0		2,000.0
Accumulated other comprehensive loss	(23.0)		(23.0)
Stockholders' Equity Attributable to Parent	8,310.0		8,310.0
Liabilities and Equity	21,667.0		21,667.0
Retained Earnings
Interest charges and financing costs
Net income	$ 215.0	$ 218.0	$ 516.0		$ 455.0

[1] Total revenues include $1 million of other affiliate revenue for both the three months ended Sept. 30, 2021 and 2020.