BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 261,700	$ 44,000
Accounts receivable, net	93,300	90,700
Accounts receivable from affiliates	5,300	10,500
Investments in utility money pool arrangement	100,000	0
Accrued unbilled revenues	125,700	114,500
Inventories	31,200	33,900
Regulatory assets	23,800	26,000
Derivative instruments	25,500	17,800
Prepaid taxes	0	14,200
Prepayments and other	19,800	10,700
Total current assets	686,300	362,300
Property, plant and equipment, net	6,228,500	5,946,400
Other assets
Regulatory assets	361,300	366,200
Derivative instruments	14,200	15,800
Operating lease right-of-use assets	535,500	0
Other	5,000	5,100
Total other assets	916,000	387,100
Total assets	7,830,800	6,695,800
Current liabilities
Short-term debt	0	42,000
Accounts payable	160,400	191,800
Accounts payable to affiliates	15,900	19,900
Regulatory liabilities	136,900	85,800
Taxes accrued	44,600	41,600
Accrued interest	25,800	25,800
Dividends payable to parent	48,300	45,200
Derivative instruments	3,800	3,600
Other	50,800	28,300
Total current liabilities	486,500	484,000
Deferred credits and other liabilities
Deferred income taxes	634,500	619,100
Regulatory liabilities	749,200	780,900
Asset retirement obligations	49,300	32,400
Derivative instruments	14,600	16,400
Pension and employee benefit obligations	76,200	92,400
Operating lease liabilities	509,000	0
Other	8,300	7,900
Total deferred credits and other liabilities	2,041,100	1,549,100
Capitalization
Long-term debt	2,419,500	2,126,100
Common stock — 200 shares authorized of $1.00 par value; 100 shares outstanding at June 30, 2019 and Dec. 31, 2018, respectively	0	0
Additional paid in capital	2,307,300	1,932,300
Retained earnings	577,700	605,700
Accumulated other comprehensive loss	(1,300)	(1,400)
Total common stockholder’s equity	2,883,700	2,536,600
Total liabilities and equity	$ 7,830,800	$ 6,695,800