CONSOLIDATED BALANCE SHEET (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets
Unrestricted cash and temporary cash investments	$ 102,801	$ 69,153
Restricted cash	1,651	2,046
Accounts receivable less allowance of $10,481 and $11,545, respectively	212,379	245,252
Unbilled revenues	55,194	93,050
Current regulatory assets (Note A)	69,721	332,391
Natural gas in storage, at average cost	91,306	79,917
Deferred income taxes	0	21,742
Refundable taxes	13,870	8,244
Current portion of derivative assets (Note A)	6,861	9,098
Prepayments	23,437	14,989
Other	10,564	12,122
Total Current Assets	587,784	888,004
Other investments
Equity investment in GenConn (Note A)	114,305	118,241
Other	25,333	26,348
Total Other investments	139,638	144,589
Net Property, Plant and Equipment (Note A)	3,185,386	3,068,680
Regulatory Assets (Note A)	621,605	703,739
Deferred Charges and Other Assets
Unamortized debt issuance expenses	13,994	15,518
Derivative assets (Note A)	21,945	44,349
Goodwill	266,205	266,205
Other	21,184	13,136
Total Deferred Charges and Other Assets	323,328	339,208
Total Assets	4,857,741	5,144,220
Current Liabilities
Line of credit borrowings	10,000	0
Current portion of long-term debt	6,526	11,834
Accounts payable	111,484	164,416
Dividends payable	24,361	24,392
Accrued liabilities	91,458	78,125
Current regulatory liabilities (Note A)	30,043	261,729
Taxes accrued	17,633	23,490
Deferred income taxes	17,271	0
Interest accrued	25,714	21,933
Current portion of derivative liabilities (Note A)	23,404	26,904
Total Current Liabilities	357,894	612,823
Deferred Income Taxes	569,301	540,542
Regulatory Liabilities (Note A)	513,722	445,092
Other Noncurrent Liabilities
Pension accrued	157,934	170,853
Other post-retirement benefits accrued	79,016	78,539
Derivative liabilities (Note A)	59,948	169,327
Other	46,733	49,047
Total Other Noncurrent Liabilities	343,631	467,766
Commitments and Contingencies (Note J)
Capitalization (Note B)
Long-term debt, net of unamortized discount and premium	1,713,986	1,723,842
Preferred Stock, not subject to mandatory redemption	119	340
Common Stock Equity
Common stock	1,149,739	1,145,950
Paid-in capital	19,583	22,272
Retained earnings	189,102	185,058
Accumulated other comprehensive income (loss)	664	535
Net Common Stock Equity	1,359,088	1,353,815
Total Capitalization	3,073,193	3,077,997
Total Liabilities and Capitalization	$ 4,857,741	$ 5,144,220