Statements Of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Assignable margins	$ 2,362,116	$ 1,361,074
Adjustments to reconcile assignable margins to net cash provided by operating activities:
Depreciation	24,478,626	24,507,485
Amortization and depreciation cleared to operating expenses	4,173,013	4,038,147
Allowance for funds used during construction	(101,907)	(65,367)
Other	(13,885)	4,393
(Increase) decrease in assets:
Accounts receivable	(6,444,469)	12,839,535
Fuel cost under-recovery	(3,440,851)	97,014
Materials and supplies	2,108,877	(1,329,117)
Prepayments	(1,174,976)	(1,158,398)
Other assets	(1,954,745)	(88,358)
Deferred charges	(4,670,710)	(1,073,793)
Increase (decrease) in liabilities:
Accounts payable	1,845,200	336,978
Consumer deposits	(1,108,018)	(3,802,804)
Fuel cost over-recovery	0	1,123,690
Accrued interest	(4,211,249)	(4,332,926)
Salaries, wages and benefits	968,069	1,216,716
Fuel	1,346,727	(650,592)
Other liabilities	1,979,633	(224,350)
Deferred liabilities	(15,018)	(26,080)
Net cash provided by operating activities	16,126,433	32,773,247
Cash flows from investing activities:
Investment in associated organizations	1,153,470	311,593
Investment in restricted cash equivalents	(270,000,000)	0
Proceeds from restricted cash equivalents	150,000,000	0
Extension and replacement of plant	(81,942,547)	(43,768,562)
Net cash used for investing activities	(200,789,077)	(43,456,969)
Cash flows from financing activities:
Payments for debt issue costs	(1,882,693)	0
Repayments of long-term obligations	(152,565,812)	(3,854,889)
Proceeds from short-term borrowing	62,500,000	21,000,000
Proceeds from long-term borrowing	275,000,000	0
Memberships and donations received	162,215	28,669
Retirement of patronage capital and estate payments	(255,111)	(149,664)
Net receipts on consumer advances for construction	335,198	789,367
Net cash provided by financing activities	183,293,797	17,813,483
Net change in cash and cash equivalents	(1,368,847)	7,129,761
Cash and cash equivalents at beginning of period	12,070,713	3,503,765
Cash and cash equivalents at end of period	10,701,866	10,633,526
Supplemental disclosure of non-cash investing and financing activities
Retirement of plant	4,141,911	6,122,381
Extension and replacement of plant included in accounts payable	25,031,907	9,257,687
Supplemental disclosure of cash flow information - interest expense paid excluding amounts capitalized	$ 21,478,597	$ 18,671,115