Statements Of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Assignable margins	$ 2,862,629	$ 3,465,032
Adjustments to reconcile assignable margins to net cash provided by operating activities:
Depreciation	20,575,617	20,044,278
Amortization and depreciation cleared to operating expense	2,879,121	3,031,314
Allowance for funds used during construction	(70,956)	(78,341)
Write off of inventory, deferred charges and projects	215,973	255,217
Other	(69,014)	211,738
(Increase) decrease in assets:
Accounts receivable, net	(222,284)	9,303,823
Fuel cost under-recovery	(3,315,475)	0
Materials and supplies	(1,492,506)	(1,860,842)
Fuel stock	3,914,624	(403,581)
Prepayments	(1,197,703)	(1,834,523)
Other assets	637,900	(7,561,149)
Deferred charges	(27,378)	(283,807)
Increase (decrease) in liabilities:
Accounts payable	(1,482,120)	662,585
Consumer deposits	(257,711)	254,536
Fuel cost over-recovery	(1,635,677)	(8,419,540)
Accrued interest	(322,106)	(294,525)
Salaries, wages and benefits	243,773	292,263
Fuel	1,256,972	(856,725)
Other current liabilities	1,277,218	1,159,578
Deferred liabilities	(13,429)	17,240
Net cash provided by operating activities	23,757,468	17,104,571
Cash flows from investing activities:
Return of capital from investment in associated organizations	351,162	424,484
Investment in restricted cash equivalents	(116)	0
Investment in marketable securities	(154,724)	(165,699)
Proceeds from capital grants	2,187,772	0
Extension and replacement of plant	(9,866,063)	(25,419,602)
Net cash used in investing activities	(7,481,969)	(25,160,817)
Cash flows from financing activities:
Proceeds from short-term obligations	17,000,000	28,500,000
Repayments of short-term obligations	(11,000,000)	(6,000,000)
Repayments of long-term obligations	(24,682,812)	(24,493,022)
Memberships and donations received	17,538	808
Retirement of patronage capital and estate payments	(5,867)	0
Net receipts on consumer advances for construction	(60,694)	408,191
Net cash used in financing activities	(18,731,835)	(1,584,023)
Net change in cash and cash equivalents	(2,456,336)	(9,640,269)
Cash and cash equivalents at beginning of period	4,347,163	14,047,469
Cash and cash equivalents at end of period	1,890,827	4,407,200
Supplemental disclosure of non-cash investing and financing activities:
Retirement of plant	1,330,137	3,429,797
Cost of removal obligation	1,935,913	1,914,376
Extension and replacement of plant included in accounts payable	2,588,197	2,412,127
Patronage capital retired and included in other current liabilities	5,022,000	0
Supplemental disclosure of cash flow information - interest expense paid, net of amounts capitalized	$ 11,238,164	$ 10,641,478