Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue:
Electricity sales	$ 115,417	$ 89,807	$ 353,515	$ 293,977
Other revenue	2,976	2,223	16,477	6,646
Total revenue	118,393	92,030	369,992	300,623
Cost of revenue:
Project expense	37,229	33,932	105,456	96,437
Transmission costs	5,700	7,421	20,533	12,213
Depreciation, amortization and accretion	55,267	52,379	165,698	144,637
Total cost of revenue	98,196	93,732	291,687	253,287
Gross profit (loss)	20,197	(1,702)	78,305	47,336
Operating expenses:
General and administrative	9,305	9,068	29,100	31,969
Related party general and administrative	4,285	3,587	12,016	10,589
Impairment expense	2,325	0	6,563	0
Total operating expenses	15,915	12,655	47,679	42,558
Operating income (loss)	4,282	(14,357)	30,626	4,778
Other expense:
Interest expense	(27,460)	(27,147)	(80,613)	(74,541)
Gain (loss) on derivatives	1,536	(6,288)	15,997	(11,687)
Earnings (loss) in unconsolidated investments, net	(4,304)	(3,964)	13,166	27,431
Net earnings (loss) on transactions	1,130	(466)	(1,970)	(1,585)
Other income (expense), net	(3,688)	7	(8,910)	560
Total other expense	(32,786)	(37,858)	(62,330)	(59,822)
Net loss before income tax	(28,504)	(52,215)	(31,704)	(55,044)
Tax provision (benefit)	3,043	(3,839)	14,237	5,477
Net loss	(31,547)	(48,376)	(45,941)	(60,521)
Net loss attributable to noncontrolling interest	(18,952)	(18,548)	(201,986)	(50,566)
Net income (loss) attributable to Pattern Energy	$ (12,595)	$ (29,828)	$ 156,045	$ (9,955)
Weighted-average number of common shares outstanding
Basic (in shares)	97,460,492	87,370,979	97,464,012	87,146,465
Diluted (in shares)	97,460,492	87,370,979	105,788,848	87,146,465
Earnings (loss) per share attributable to Pattern Energy
Basic (in dollars per share)	$ (0.13)	$ (0.34)	$ 1.60	$ (0.12)
Diluted (in dollars per share)	(0.13)	(0.34)	1.58	(0.12)
Dividends declared per Class A common share (in dollars per share)	$ 0.42	$ 0.42	$ 1.27	$ 1.25