Xcel Energy Sub Business Unit Materials & Supplies December 09 -December 10 Actual 13 month average

I Electric I Gas I

13 mo Ave Production Elec Trans Elec Dist Gas Dist Check NSP Inv Dir Assigned/Allocated (I) 115,953,696 97,469,119 6,367,652 11,097,397 1,019,528 115,953,696 135300 & 135500 Residual (2) (433,856) (364,693) (23,825) (41,522) (3,815) (433,856) 137100 (3) (3,374,255) (3,374,255) (3,374,255) Total M&S 112,145,585 93,730,171 6,343,827 11,055,875 1,015,714 112,145,585

I ~ o t a l M&S - $000'~ 112,146 93,730 6,344 11,056 1,016 1

(1) lnventory 10 sheet - Patty Hagerman, Gail Hoskins, Ali Umer; allocated based on analysis of individual functions (2) GL-13 mo sheet - General Ledger; allocated to Business Unit based on composite of NSP lnventory allocated to Business Unit (3) Account for money received from SMMPAfor their portion of M&S at Sherco; direct assign to MN Generation

4/14/2011 srnc x1974 S:\General-Offices-GO-OI\RATE\Revenue Analysis\Annual\lOActual\RB\Other~rb\NSPINVlO.xls[M&S]

SUMMARY INVENTORY - I

I --

REF Dec-2009 Jan-2010 Feb-2010 Mar-2010 Apr-2010 May-2010 Jun-2010 Jul-2010 AugQO10 Sep3010 Ocl-2010 Nov-20101 Dec-2010 T & D & S l 16,400,377 16,985,084 17,695,603 17,844,268 17,685,309 17,785,851 17,497,231 17,854,109 17,949.844 17.553.975 17,169,079 17,194.1911 17,430.715 GAS INVENTORY 1,031,175 1,006,311 1,026,270 1,044,553 1,056,770 1,044,862 1,032,340 1,082,914 1,064.237 1 , 0 3 8 , 1 9 8 9 8 6 . 5 5 7 987,0031 994,295 GENERATION 91,357,357 92,797,232 93,355,121 93,845,484 94,140,315 95.191.614 96,546,381 98,516,146 97,677,765 98,844,081 103,784,637 104,572,7371 108,669,685

I I "1 "1 I "I "1 "I " I "1 1 I I GENERAL OFFICE 01 01 01 01 01 01 01 01 01 01 01 NRG COMPANY 1 4901 1 0) 01 0) 01 0) 01 01 0) 01 01 01 FLEET SUPPLIES I TR 1 01 01 01 01 01 01 01 01 01 01 01 E.R.C. 1 2698 0 0 0 0 0 0 0 0 0 0 0 0 0 HALON GAS 2607 0 0 0 0 0 0 0 0 0 0 0 0 0 WESCOT GAS GP 0 0 0 0 0 0 0 0 0 0 0 0 0 TOOL WAREHOUSE 0 0 0 0 0 0 0 0 0 0 0 0 0 XCEL NORTH MN INVENTORY . . - -. . . - . . . .. . . ,. .- . , --

Xcel North MN - MAJOR FUNCTION INVENTORY 16.985,084 17,695,603 17,644,268 17,685,309 17,785,851 17,497,231 17,654,109 17,949.844 17.553,97517.169,079 17,194,191 17,430,715 -

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

HFU ELECTRIC 0 0 0 0 0 0 0 0 0 0 0 0 0

GAS MElERS 19 -7,692 -7,899 3.343 2,903 -4421 -11.444 -2,8271 25.4771 33,8381 24.6231 28.2871 HE GAS 01 01 01 01 01 01 01 01

CC, Bus Cornpxw BUsUni, Ar-acd C* ~ a ~ ~ . ~ ~ osrC Cd Bu. U n l D o x

FERC 154 NS 10 Na#hemSidsr Pow-r-MN 10 NonheinSldai P o w w ~ MN

NS 10 Nodhsm Slaiapowaier-MN 10 No"her" Slate. P,..,.MN

JUn AoI L ID Jul h l L m AuQ Aci LTD Sap An, LTD OEI An* LII) Nm Anl LTD Dec it~i LiO B ~ Q Bnl Ant

1S+m Pi.niMat &as,suPpBer iS4OD Pinnl Mat & QmerSvppliei

lieoo ~ t ~ ~ t ~ ~ ~ a c,,sr~upptir. 15400 Plan* M a i s opoiSunpisa 15-0 P1.d Ma18 DperSvlplisa 11400 PlalV MnIB o~sisuppl.. 164W Piant Mat& OpsiSvmliea 1 5 a PilniMai8 DiiaiSuDBlle~ ISem Pian, M., &operG"pp,i.s 151W Planl Nai aOperSupylie. 1S4m Pian Ma, Ba~,suPp,ier i5aDOPb",Nafd@a.SuWXar l i 4 W Plant Mni d aeiSuppiiu ,5400 Pian, Mat &amsvp,<es 15a0 Plad MIL S O p a Svppiisi lidOD Plant MalB a s . Svppli- 1S"iO Plan? Mala OpEiSupplies

1 3 6 ~ 5 TOW rnmoilioo~hp. 195175 10IOCarporaieOihsr 155171 1020 Carporateahci 135175 1030 Coipoi.isahei 135175 1010 Corpomlaahsi 131171 iDS0 Caworaeahar 135176 1060 Carnomiemher 135175 1070 Caiplmla ahsr 131175 1080 Camoiateaher 155176 llWCamaialeaher 135775 i l l 0 Corpordsahpi 131175 t (20 Cacpomlsahsi 135S75 1220 Camsrate O1her 135175 1280 Ca~?~r.lrn Oihsi 156$75 Carpomi~Oihsr

1JSl l i io la l 135180 TOO0 Covamieahsr 151180 iOIO CaipomleOlhai 135180 1020 Coipomieaher 19380 iw Camom$aaher lSSIBD la0 Camomleaha( 135180 1060 Comoiaieaher 135180 I0B0 ComomlsOthsi 191180Tolal

135141 1000 Camarnieoihsi 135100 lYiDCaipomleOlher 135190 lOZO C a i p ~ m i ~ O i h ~ ~ 131190 1030 Carpm,aleO1hor 135190 IYID Camasteaha. 195180 $080 Coiplrntsaher 195190 ,070 Comoiai=aher 131101) 1080 amaiatsahor 135190 ? I 2 0 Camoiaisahv 135190 1290 ComomloOihpi I S S i W Corporate Oihmr,

t ' -:i

' 135368 : ' .;:j Coipa.leo,hsr . ~. BOP .-61 ~ o ~ . ~ f ~ ~ i h ~ , i s 3 b o : . . I 2 CamonleO,hsr r s s o o 97 Carp.,a,e*s, 135j00: 15, Comainleaher 135300'- is.?dmorabaher ,3<s$,j%,d ,. :~

,35350- IWO ~ r p ~ ~ ~ ~ o t h ~ ~ 135350 2000 Corporals 0th- 135950' ?PO0 Carpanls otisr rssa*. b-; a000 coiprmi. O1b.=l

1 l i ~ ~ b i 0 l . l ' - ' . . , ,51600 ( 2000 CorpomteOlhri

1JS600ialml

196500- B ComoinioOihar 196MB SZ Domraleahar issSoo: '

,3r50u,ok, i--.: ~ ~

137!00 , . 'Carporai. ,S,,OBT o,a, ,:~::.;: m*".dTob, .~;:: .;. 7 :

AC22 CCI Bus Company Obi Subsld CFR Area Cd Cd company ~ e s c 6"s unit ~d BUS unit ~ e s c Acct ACGI CCl Bus Area Dcrc AC22 CFR FERC 0-c FERC Cd Beg Bai Act Jan Act LTD Feb Act LTD Mar Acl LTD Apr Act LTD May Act LTD Jun Acl LTD Jul Acl LTD Aug Acl LTD Sep Act LTD Ocl Act LTD Nov AclLTD Oec Acl LTD CU 1010 NSPMReoulalary 10401600 NSPMCU MMNon~Uiiity NSPM 15400 24 UtiiificsGroup Plant Mat& ope, supplies 154 0 0 0 o D o o 0 0

0 0

0 0 0 CU

0 1010 NSPM Reoulamry 10401700 NSPMCUCIP MN 15400 21 Uslit ies~mup Piant Mat a oper supplies 154 0 0 0 0 0 0 0 0 0 0 0

NS 1010 NSPM Regulatory 89981010 NSPMRegulalory 15400 21CoipoiaIeOlher PIanlMaIaOpeiSuppiier 154 4,142,885 3,142,885 3,142,885 3,142,885 -3,302,185 -3,302,185 -3,302,185 -3,302,185 -3,302,185 3,302,185 -3,826,888 -3,826,889 4,826,889 NS 1010 NSPM Regulatory 89891010 N S P M R e g ~ l a t o ~ 15400 25ComoraleOlher PiantMaI&OperSuppIies 154 108,132,232 110,114,457 111,382,340 113,009,617 112,799,938 113,843,603 114,937,622 114,631,499 116,098,993 116,807,702 121,551,544 122,160,992 128,433,022

104,989,347 106,971,572 108,239,455 109,866,731 109,487,754 110,541,418 111,635,437 111,329,314 112,796,808 113,505,517 117,724,654 118,334,102 122,606,133

~. , . - ~ ~ . , . ~ . ~ : ~ ,~~ . , . . ~ ~ ~ . : ; , . , ~, . . - . ~. . . . .,.I:, / / . , :,.. qfi9126ils$6 i1974 S : \ 5 e ~ ~ r ~ l - W ~ ~ o ~ s ' G O O 1 h A ,TE\Revenuc Einaiysis\Pinnuall1OA~I11Ni~OIi1er~rb\NSPiNV1O.xl[Rg Ledger!

2010 Energy Supply Inventory Balances for NSP-MN

January February March April May June July August September October November December Facility 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 Name Inv Value Inv Value Inv Value lnv Value Inv Value Inv Value Inv Value Inv Value Inv Value Inv Value Inv Value Inv Value

Black Dog $3,114,384 $3,192,109 $3,195,047 $3,163,228 $3,129,616 $3,142,922 $3,130,536 $3,093,294 $3,108.645 $3,021,618 $3,005,071 $3,006,873

High Bridge $929,925 $933.733 $941,700 $957,048 $946.892 $952,185 $1,017,849 $1,100,358 $1,101,391 $1,250,963 $1,744,873 $1,797,279

King $5,065,684 $5,096.092 $4,832,708 $4,877,602 $4,864.251 $4,931,672 $5.002.546 $5,238,096 55,269,382 $5,389,410 $5,393.582 $5,613,561

Riverside $1,115,398 $1,118,722 $1,119,257 $1,146,680 $1,233,361 $1,235,277 $1,239,325 $1,231,367 $1,250,135 $1,256,870 $1,228,182 $1,634,650

Sherco * $19,647,597 $19,949,909 $20,179,194 $20,425,690 $20,609,463 $20,286,335 $19,771,174 $19,903,911 $20,121,374 523,894,235 $23,656,021 $23,856,565

Granite City $64,322 $64,322 $64,322 $64,322 $64,322 $64,322 $64,322 $64,322 $64,322 $64,322 $64,322 $64,322

Red Wing $1,045,316 $993,460 $945.151 $960,093 $968,153 $964.227 $987,534 $989,593 $990,397 $986,938 $996,302 $992,534

Wiimarth $1,124,479 $1,088,666 $1,194,573 $1,223,688 $1,226,028 51,247,920 $1,165,518 $1,131,238 $1,133,703 $1,180,769 $1,178,851 $1,198,519

Angus Anson $172,354 $172,354 $172,354 $172,354 $172,354 $172.354 $172,354 $172.354 $172,354 $172,354 $172,354 $172.354

Biue Lake $837,539 $837,539 $837,612 $837,612 $838.289 $845,166 $845,166 $846,110 $844,757 $844,757 $843,462 , $843,462

GrandMeadows $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722 $1,746,722

Nobles $0 $0 $0 $0 $0 $0. $0 $0 $0 $0 $0 $2,339,538

inver Hliis $131,718 $129,443 $129,443 $128,620 $128.820 $128,620 $128,620 $128,620 $128,620 $128.620 $128.620 $128,620

Key City $20,131 $20,131 $20,131 $20,131 $20,131 $20,131 $20,131 $20,156 $20,156 $20,156 $20,156 $20,156

Subtotal $35,015,569 $35,343,201 $35,378,212 $35,723,791 $35,948,202 $35,737,853 $35,291,798 $35,666,141 $35,951,957 $39,957,734 $40,178,518 $43,415,155

* SHC balance adjusted in July due to two items being approved as capital emergency spare parts.

S:\General-Offices-GO-OI\RATE\Revenue ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~rb\M&S NSP MN 2010 Balances.xis[Sheetll

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES - report refers to matenal receipts, not PO creations against open po's GO Sales &Slow Moving = SHPSAL. SHPSCR, SHPSUR, SHPREP, SHPRBR

Prepared byT1860 on 311412011 # ofTrensactianJ = by line item Sour~e: PBook NO~B: Balance reflects mara accurate date (~maunt ~ o n t h ~ n d = Qty On Hand XAUP).

-

I STOREROc aSACTIONS REPORT FEBRUARY 201U NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES -report refers to material receipts, not PO creations against open po's GO Sales &Slow Moving = SHPSAL, SHPSCR, SHPSUR, SHPREP. SHPRBR

Prepared by Ti860 on 31141201i it of~ransadiona = by line item source: PBOOk Note: Balance reiiects more accurate dale (Amount Month End = Qty On Hand XAUP).

- ,I I

STOREROC 4NSACTIONS REPORT MARCH 2010 .~ NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR. RECPPV. SHPOSD, SHPVND RECEIPTS previously called PURCHASES - report refers to material receipts, not PO creations against open po's GO Sales & Slow Moving = SHPSAL, SHPSCR, SHPSUR, SHPREP, SHPRBR

Prepared by TI860 an 31141201 1 # o f Transaclions = by llns item souroe: Paoak Note: Balance reflects more acouiate date (Amount Month End = Qty On Hand XAUP).

?

,_. - ~-

STOREROL, INSACTIONS REPORT APRIL 2010 NSM 10-135300-0003 - NON-PRECAP MATERIAL

ADJUSTMENTS

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES - report refers to material receipts, not PO creations against open po's GO Sales 8 Slow Moving = SHPSAL, SHPSCR, SHPSUR. SHPREP, SHPRBR

Prepared byTiS60 on 311412011 #of Tlanss~l ion~ = by line item Source: PBook NO@: Balance ceflects mare accurate date mount ~ o n m ~ n d = Qty On Hand XAUP)

STOREROL LNSACTIONS REPORT MAY 2010 NSM 10-135300-0003 - NON-PRECAP MATERIAL

GOOD 0N)ER

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES - report refers to materlal receipts, not PO creations agatnst open po's GO Sales 8 Slow Moving = SHPSAL. SHPSCR, SHPSUR. SHPREP, SHPRBR

Prepared by TiBBO an 313412031 # dTr'ransactions = by line item Source: PBoah Note Balance reileds more accurate date (Amount Month End = QtY On Hand XAUP)

-~ ,, , --

i ' STOREROk, LNSACTIONS REPORT JUNE 2010 NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND REC: "TS Frev o.s'y ca led P-RCnASES - repon refers lo maler a1 rece pls. no' PO creallons aga is1 open 20's SO Sales 8 S 9:~ t lov ng = SnPSA- SnPSCR SnPS-R ShPRE?, ShPRBR

prepared by TI880 on 311412011 # o f Transaction8 = by line item Source: PBook NOW ~ s ~ a n c e reneot~ more accurate date (Amount Month ~ n d = aty on Hand x AUP) P

~- . , -. .-

~ T O R E R O ~ , ,NSACTIONS REPORT JULY 2010 NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC. RECDIR, RECPPV, SHPOSD, SHPVND RECEiPTS previously called PURCHASES - repolt refers to material receipts, not PO creations against open po's GO Sales &Slow Moving = SHPSAL. SHPSCR, SHPSUR, SHPREP, SHPRBR

Prepared by TI860 an 311412011 # aiTrantactlons = by line item Source: PBook Note: Balance rEflects more accurate date (Amount Month End = Qty On Hand X AUP).

z.

. ~ . ~ -~ ~ ~~

I I

STOREROC ..iNSACTIONS REPORT AUGUST 2010 NSM 10-135300-0003 - NON-PRECAP MATERIAL

DJUSTrnNTS

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES - repolt refers to material receipts, not PO creations against open Po's GO Sales & Siow Moving = SHPSAL, SHPSCR, SHPSUR, SHPREP, SHPRBR

Prepared by T1860 on 311412011 # dTransactlonr = by iine item Source: PBook Note: Bslanoe reflect8 mare accurate date (Amount Month End = Qty On Hend XAUP).

c7

- , , ,. . - ,- .

I ; ' I

STORERO~ NSACTIONS REPORT SEPTEMBER zulO NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES - report refers to material receipts, not PO creations against open pols GO Sales & Slow Moving = SHPSAL, SHPSCR, SHPSUR, SHPREP. SHPRBR

Prepared by TI860 on 311412091 #of Transactions = by iineilem SOYTCC PBOOk ~ o t e - welance i d e d s more accurde date (~rnount ~ a n t h ~ n d = M y On Hand XAUP).

-+%

STOREROC NSACTIONS REPORT OCTOBER ZOIu NSM 10-135300-0003 -NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously csiled PURCHASES - report refers to material receipts, not PO creations against open PO'S GO Sales &Slow Moving = SHPSAL, SHPSCR, SHPSUR, SHPREP. SHPRBR

Prepared by TI860 on 3114~011 # OfTranSaolions = by lins item Sauroe: PBook Note: Belanoa reflads more accurate date (Amount Month End = Qty On Hand XAUP). P

1 I STORERO\ iNSACTIONS REPORT NOVEMBER 2u10 NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previously called PURCHASES - report refers to material receipts, not PO creations against open po's GO Sales &Slow Moving = SHPSAL, SHPSCR, SHPSUR, SHPREP, SHPRBR

Prepared by TI860 on 311412011 # OiTiansactions = by line (tern Source: Paoak Note: Balance reflects more accurate date (Amount Month End = Qly On Hand XAUP). 3

I '

STOREROO, NSACTIONS REPORT DECEMBERZOlu NSM 10-135300-0003 - NON-PRECAP MATERIAL

Note: RECEIPTS = REC, RECDIR, RECPPV, SHPOSD, SHPVND RECEIPTS previousiy called PURCHASES -report refers to material receipts, not PO creations against open po's GO Sales &Slow Moving = SHPSAL. SHPSCR, SHPSUR, SHPREP, SHPRBR

Prepsied by T1860 an311412011 #of Tmnsa~tions = by line item Source: PBwk Note: Balance refleots more accurate date (Amount Month End = Qty On Hand XAUP).

b