CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities
Net income (loss)	$ (35,873,000)	$ 4,992,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation	9,508,000	8,461,000
Amortization of deferred financing cost	912,000	829,000
Allowance for funds used during construction - equity	(548,000)	(473,000)
Change in fair value of contingent consideration	0	612,000
Reorganization structuring fee	44,897,000
Realized gain on sale of marketable securities	(66,000)
Equity based compensation	123,000
Changes in assets and liabilities:
Due from affiliates	6,783,000	7,563,000
Inventory	(115,000)	180,000
Prepaids and other current assets	(1,026,000)	(604,000)
Accounts payable and accrued liabilities	584,000	(1,172,000)
Net cash provided by operating activities	25,179,000	20,388,000
Cash flows from investing activities
Additions to electric plant	(67,210,000)	(65,493,000)
Proceeds from sale of assets	41,211,000
Sale of marketable securities	1,065,000
Cash paid to InfraREIT, L.L.C. investors in the merger, net of cash assumed	(172,400,000)
Net cash used in investing activities	(197,334,000)	(65,493,000)
Cash flows from financing activities
Net proceeds from issuance of common stock upon initial public offering	493,722,000
Members' contributions		1,171,000
Noncontrolling interest contributions		349,000
Proceeds from short-term borrowings	33,000,000	56,000,000
Repayments of short-term borrowings	(253,000,000)
Proceeds from borrowings of long-term debt		11,000,000
Repayments of long-term debt	(4,772,000)	(1,004,000)
Deferred financing costs	(49,000)	(677,000)
Dividends paid	(19,794,000)
Distributions paid to noncontrolling interest	(6,048,000)
Net cash provided by financing activities	243,059,000	66,839,000
Net increase in cash and cash equivalents	70,904,000	21,734,000
Cash and cash equivalents at beginning of period	15,612,000	7,746,000
Cash and cash equivalents at end of period	$ 86,516,000	$ 29,480,000