SEGMENT INFORMATION (Tables)

6 Months Ended

Jun. 30, 2011

SEGMENT INFORMATION [Abstract]

Schedule of Segment Reporting Information

Three Months Ended
June 30, 2011
	NVE Consolidated			NVE Other			NPC Electric		SPPC Total			SPPC Electric			SPPC Gas
Operating Revenues (1)	$	674,931		$	3		$	473,898	$	201,030		$	164,582		$	36,448
Energy Costs:
Fuel for power generation		156,803			-			114,744		42,059			42,059			-
Purchased power		160,308			-			122,408		37,900			37,900			-
Gas purchased for resale		24,984			-			-		24,984			-			24,984
Deferred energy		(8,106	)		-			2,350		(10,456	)		(11,898	)		1,442
Total Energy Costs	$	333,989		$	-		$	239,502	$	94,487		$	68,061		$	26,426
Gross Margin (1)	$	340,942		$	3		$	234,396	$	106,543		$	96,521		$	10,022
Other operating expenses		97,547			925			61,935		34,687
Maintenance		32,186			-			19,325		12,861
Depreciation and amortization		89,606			-			61,913		27,693
Taxes other than income		14,684			39			9,046		5,599
Operating Income (Loss)	$	106,919		$	(961	)	$	82,177	$	25,703

Six Months Ended
June 30, 2011
	NVE Consolidated			NVE Other			NPC Electric		SPPC Total			SPPC Electric			SPPC Gas
Operating Revenues (1)	$	1,315,914		$	7		$	863,966	$	451,941		$	343,199		$	108,742
Energy Costs:
Fuel for power generation		303,141			-			215,814		87,327			87,327			-
Purchased power		295,324			-			217,974		77,350			77,350			-
Gas purchased for resale		77,616			-			-		77,616			-			77,616
Deferred energy		(10,058	)		-			9,080		(19,138	)		(23,829	)		4,691
Total Energy Costs	$	666,023		$	-		$	442,868	$	223,155		$	140,848		$	82,307
Gross Margin (1)	$	649,891		$	7		$	421,098	$	228,786		$	202,351		$	26,435
Other operating expenses		203,521			1,582			127,036		74,903
Maintenance		61,948			-			41,662		20,286
Depreciation and amortization		172,708			-			119,586		53,122
Taxes other than income		30,929			202			19,104		11,623
Operating Income (Loss)	$	180,785		$	(1,777	)	$	113,710	$	68,852

Three Months Ended
June 30, 2010
	NVE Consolidated		NVE Other			NPC Electric		SPPC Total		SPPC Electric		SPPC Gas
Operating Revenues (1)	$	782,683	$	6		$	539,395	$	243,282	$	202,877	$	40,405
Energy Costs:
Fuel for power generation		181,662		-			132,067		49,595		49,595		-
Purchased power		165,321		-			124,740		40,581		40,581		-
Gas purchased for resale		25,154		-			-		25,154		-		25,154
Deferred energy		54,933		-			39,960		14,973		8,725		6,248
Total Energy Costs	$	427,070	$	-		$	296,767	$	130,303	$	98,901	$	31,402
Gross Margin (1)	$	355,613	$	6		$	242,628	$	112,979	$	103,976	$	9,003
Other operating expenses		101,388		1,082			63,292		37,014
Maintenance		28,860		-			18,219		10,641
Depreciation and amortization		84,696		-			57,654		27,042
Taxes other than income		15,939		48			9,793		6,098
Operating Income (Loss)	$	124,730	$	(1,124	)	$	93,670	$	32,184

Six Months Ended
June 30, 2010
	NVE Consolidated		NVE Other			NPC Electric		SPPC Total		SPPC Electric		SPPC Gas
Operating Revenues (1)	$	1,497,172	$	14		$	965,194	$	531,964	$	411,539	$	120,425
Energy Costs:
Fuel for power generation		403,281		-			288,182		115,099		115,099		-
Purchased power		272,684		-			195,967		76,717		76,717		-
Gas purchased for resale		90,713		-			-		90,713		-		90,713
Deferred energy		72,499		-			59,423		13,076		7,225		5,851
Total Energy Costs	$	839,177	$	-		$	543,572	$	295,605	$	199,041	$	96,564
Gross Margin (1)	$	657,995	$	14		$	421,622	$	236,359	$	212,498	$	23,861
Other operating expenses		208,014		1,636			130,011		76,367
Maintenance		54,589		-			35,238		19,351
Depreciation and amortization		165,644		-			112,755		52,889
Taxes other than income		32,112		129			19,819		12,164
Operating Income (Loss)	$	197,636	$	(1,751	)	$	123,799	$	75,588

(1) As reported in our 2010 Form 10-K, amounts for REPR are presented net.  As such, revenues and gross margin for the three months ended June 30, 2010 were reduced by $2.7 million, $1.4 million and $1.3 million for NVE, NPC and SPPC, respectively, from that reported in Forms 10-Q/A for the period ended June 30, 2010. Revenues and gross margin for the six months ended June 30, 2010 were reduced by $5.2 million, $2.6 million and $2.6 million for NVE, NPC and SPPC, respectively, from that reported in Forms 10-Q/A for the period ended June 30, 2010. The change in presentation did not affect operating income or net income.