Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 13,410	$ 8,507
Accounts and notes receivable-less allowances of $5,607 and $5,026, respectively	133,946	180,265
Regulatory asset for energy commodity derivatives	13,982	11,365
Materials and supplies, fuel stock and stored natural gas	61,187	53,314
Income taxes receivable	35,808	48,265
Other current assets	62,403	49,625
Total current assets	320,736	351,341
Net Utility Property:
Utility plant in service	5,617,233	5,506,499
Construction work in progress	169,000	150,474
Total	5,786,233	5,656,973
Less: Accumulated depreciation and amortization	1,558,773	1,509,473
Total net utility property	4,227,460	4,147,500
Other Non-current Assets:
Investment in affiliated trusts	11,547	11,547
Goodwill	57,672	57,672
Other property and investments-net	79,487	72,224
Total other non-current assets	148,706	141,443
Deferred Charges:
Regulatory assets for deferred income tax	118,984	109,853
Regulatory assets for pensions and other postretirement benefits	234,046	240,114
Other regulatory assets	134,533	135,751
Regulatory asset for interest rate swaps	168,084	161,508
Non-current regulatory asset for utility derivatives	15,023	16,919
Other deferred charges	5,432	5,326
Total deferred charges	676,102	669,471
Total assets	5,373,004	5,309,755
Current Liabilities:
Accounts payable	69,165	115,545
Current portion of long-term debt	277,814	3,287
Short-term borrowings	136,398	120,000
Utility energy commodity derivative liabilities	8,308	7,035
Accrued interest	16,128	15,869
Accrued taxes other than income taxes	33,169	33,374
Deferred natural gas costs	28,973	30,820
Current portion of pensions and other postretirement benefits	11,235	10,994
Current interest rate swap derivative liabilities	36,507	6,025
Other current liabilities	64,417	64,579
Total current liabilities	682,114	407,528
Long-term debt and capital leases	1,403,064	1,678,717
Long-term debt to affiliated trusts	51,547	51,547
Regulatory liability for utility plant retirement costs	280,580	273,983
Pensions and other postretirement benefits	219,584	226,552
Deferred income taxes	886,727	840,928
Non-current interest rate swap derivative liabilities	336	28,705
Other non-current liabilities and deferred credits	162,158	153,319
Total liabilities	3,686,110	3,661,279
Commitments and Contingencies (See Notes to Consolidated Financial Statements)
Avista Corporation Stockholders’ Equity:
Common stock, no par value; 200,000,000 shares authorized; 64,408,983 and 64,187,934 shares issued and outstanding as of June 30, 2017 and December 31, 2016, respectively	1,075,667	1,075,281
Accumulated other comprehensive loss	(7,202)	(7,568)
Retained earnings	618,708	581,014
Total Avista Corporation stockholders’ equity	1,687,173	1,648,727
Noncontrolling Interests	(279)	(251)
Total equity	1,686,894	1,648,476
Total liabilities and equity	$ 5,373,004	$ 5,309,755