Energy Future Holdings Competitive Electric Segment: Quarterly Data

Sales Volume and Customer Count Data

	Three Months Ended September 30,						% Change			Nine Months Ended September 30,						% Change
	2010			2009						2010			2009
Sales volumes:
Retail electricity sales volumes (GWh):
Residential		9,473			9,348			1.3			23,040			22,312			3.3
Small business (a)		2,417			2,598			(7.0	)		6,392			6,228			2.6
Large business and other customers		4,294			4,049			6.1			11,738			10,905			7.6
Total retail electricity		16,184			15,995			1.2			41,170			39,445			4.4
Wholesale electricity sales volumes		14,011			10,126			38.4			37,359			30,180			23.8
Net sales (purchases) of balancing electricity to/from ERCOT		302			(38	)		—			572			(304	)		—
Total sales volumes		30,497			26,083			16.9			79,101			69,321			14.1
Average volume (kWh) per residential customer (b)		5,220			4,936			5.8			12,584			11,772			6.9
Weather (North Texas average) – percent of normal (c):
Cooling degree days		107.1	%		97.1	%		10.3			109.9	%		102.2	%		7.5
Heating degree days		—	%		—	%		—			132.1	%		93.7	%		41.0
Customer counts:
Retail electricity customers (end of period and in thousands) (d):
Residential											1,800			1,876			(4.1	)
Small business (a)											228			273			(16.5	)
Large business and other customers											22			23			(4.3	)
Total retail electricity customers											2,050			2,172			(5.6	)

(a)	Customers with demand of less than 1 MW annually.
(b)	Calculated using average number of customers for the period.
(c)	Weather data is obtained from Weatherbank, Inc., an independent company that collects and archives weather data from reporting stations of the National Oceanic and Atmospheric Administration (a federal agency under the US Department of Commerce). Normal is defined as the average over a 10-year period.
(d)	Based on number of meters. Typically, large business and other customers have more than one meter; therefore, number of meters does not reflect the number of individual customers.

74

Table of Contents

Competitive Electric Segment

Revenue and Commodity Hedging and Trading Activities

	Three Months Ended September 30,						% Change			Nine Months Ended September 30,						% Change
	2010			2009						2010			2009
Operating revenues (millions):
Retail electricity revenues:
Residential	$	1,231		$	1,272			(3.2	)	$	3,007		$	3,048			(1.3	)
Small business (a)		309			366			(15.6	)		839			924			(9.2	)
Large business and other customers		340			330			3.0			931			955			(2.5	)
Total retail electricity revenues		1,880			1,968			(4.5	)		4,777			4,927			(3.0	)
Wholesale electricity revenues (b)		642			380			68.9			1,612			1,043			54.6
Net sales (purchases) of balancing electricity to/from ERCOT		(6	)		(5	)		(20.0	)		(23	)		(50	)		54.0
Amortization of intangibles (c)		14			20			(30.0	)		16			10			60.0
Other operating revenues		77			70			10.0			217			214			1.4
Total operating revenues	$	2,607		$	2,433			7.2		$	6,599		$	6,144			7.4