CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Retail revenues	$ 141,188	$ 207,341	$ 436,166	$ 625,300
Net asset optimization (expense) revenues	(558)	(254)	(319)	2,242
Total Revenues	140,630	207,087	435,847	627,542
Operating Expenses:
Retail cost of revenues	85,118	123,867	269,546	477,881
General and administrative	19,080	27,629	66,087	94,352
Depreciation and amortization	7,278	9,496	24,084	31,963
Total Operating Expenses	111,476	160,992	359,717	604,196
Operating income	29,154	46,095	76,130	23,346
Other (expense)/income:
Interest expense	(1,487)	(2,174)	(4,233)	(6,392)
Interest and other income	80	322	293	1,005
Total other expenses	(1,407)	(1,852)	(3,940)	(5,387)
Income before income tax expense	27,747	44,243	72,190	17,959
Income tax expense	5,141	6,567	12,739	3,022
Net income	22,606	37,676	59,451	14,937
Less: Net income attributable to non-controlling interests	12,993	22,142	34,200	5,736
Net income attributable to Spark Energy, Inc. stockholders	9,613	15,534	25,251	9,201
Less: Dividends on Series A Preferred Stock	1,951	2,026	5,490	6,080
Net income attributable to stockholders of Class A common stock	7,662	13,508	19,761	3,121
Other comprehensive income, net of tax:
Currency translation loss	0	(45)	0	(143)
Other comprehensive loss	0	(45)	0	(143)
Comprehensive income	22,606	37,631	59,451	14,794
Less: Comprehensive income attributable to non-controlling interests	12,993	22,116	34,200	5,652
Comprehensive income attributable to Spark Energy, Inc. stockholders	$ 9,613	$ 15,515	$ 25,251	$ 9,142
Net income attributable to Spark Energy, Inc. per share of Class A common stock
Basic (in dollars per share)	$ 520	$ 0.94	$ 1,360	$ 0.22
Diluted (in dollars per share)	$ 520	$ 0.93	$ 1,350	$ 0.22
Weighted average shares of Class A common stock outstanding
Basic (in shares)	14,653	14,380	14,531	14,254
Diluted (in shares)	14,671	14,514	14,655	14,429