BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Utility plant:
Electric plant in service		$ 4,181,409	$ 3,982,095
Less accumulated depreciation and amortization		(1,391,266)	(1,320,175)
Net plant in service		2,790,143	2,661,920
Construction work in progress		169,327	146,059
Nuclear fuel; includes fuel in process of $62,833 and $59,689, respectively		198,280	194,933
Net nuclear fuel		125,577	120,458
Net utility plant		3,085,047	2,928,437
Current assets:
Cash and cash equivalents		12,900	6,990
Accounts receivable, principally trade, net of allowance for doubtful accounts of $2,070 and $2,300, respectively		77,855	88,585
Inventories, at cost		55,432	50,910
Regulatory assets		6,972	0
Prepayments and other		20,375	10,307
Total current assets		173,534	156,792
Deferred charges and other assets:
Decommissioning trust funds		276,905	286,866
Regulatory assets		74,848	96,036
Other		18,168	16,232
Total deferred charges and other assets		369,921	399,134
Total assets		3,628,502	3,484,363
Capitalization:
Common stock, stated value $1 per share, 100,000,000 shares authorized, 65,707,156 and 65,694,829 shares issued, and 121,532 and 133,859 restricted shares, respectively		65,829	65,829
Capital in excess of stated value		328,480	326,117
Retained earnings		1,227,471	1,159,667
Accumulated other comprehensive income (loss), net of tax		(38,784)	11,058
Total stockholders' equity subtotal before treasury stock		1,582,996	1,562,671
Treasury stock, 25,147,567 and 25,244,350 shares, respectively, at cost		(418,893)	(420,506)
Common stock equity		1,164,103	1,142,165
Long-term debt, net of current portion		1,285,980	1,195,988
Total capitalization		2,450,083	2,338,153
Current liabilities:
Current maturities of long-term debt	[1]	99,239	0
Short-term borrowings under the revolving credit facility		49,207	173,533
Accounts payable, principally trade		58,150	59,270
Taxes accrued		37,139	35,660
Interest accrued		16,478	12,470
Regulatory liabilities		14,686	6,225
Other		38,356	29,067
Total current liabilities		313,255	316,225
Deferred credits and other liabilities:
Accumulated deferred income taxes		325,133	305,023
Accrued pension liability		87,259	83,838
Accrued postretirement benefit liability		24,575	26,417
Asset retirement obligation		101,108	93,029
Regulatory liabilities		298,570	296,685
Other		28,519	24,993
Total deferred credits and other liabilities		865,164	829,985
Commitments and contingencies
Total capitalization and liabilities		3,628,502	3,484,363
Nuclear Fuel
Utility plant:
Less accumulated depreciation and amortization		$ (72,703)	$ (74,475)

[1] Pollution Control BondsThe Company has three series of tax exempt unsecured PCBs in aggregate principal amount of $159.8 million. The 7.25% 2009 Series A and the 7.25% 2009 Series B PCBs with an aggregate principal amount, together, of $100.6 million have optional redemptions beginning in February 2019 and April 2019, respectively, at which time the Company expects to repay, remarket or replace these bonds. The principal and related unamortized issuance cost on these PCBs were reclassified to current maturities of long-term debt as of December 31, 2018. On February 1, 2019, the Company purchased in lieu of redemption all of the 7.25% 2009 Series A with a principal amount of $63.5 million utilizing funds borrowed under the RCF. The Company is currently holding the bonds and may remarket them or replace them with debt instruments of equivalent value at a future date depending on financing needs and market conditions.