ML20127P023

Monthly Operating Rept for Dec 1976 for Monticello Nuclear Generating Plant

ML20127P023
Person / Time
Site:	Monticello
Issue date:	12/31/1976
From:	Mayer L, Shamla W NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NUDOCS 9212010482
Download: ML20127P023 (4)

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NORTHERN STATES POWEM COMPAN MIN N E A POu t. MINN E SOT A 35400 so,r D-

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/,C Janunty 10, 1977 o,

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e Director, Office of

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to Inspection and Enforcement c

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U S Nucicar Regulatory Comission Yeg Yo g*ef 9

Washington, DC 20555 f

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Dear Sir:

n MONTICELID NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report Decernber 1976 Attached are ten copies of the Monthly Operating Report for December, 1976 for the Monticello Nuclear Cencrating Plant.

Yours very truly,

'usISC tr 3p d g]n \\

Ma er, Manager of Nuclear Support Services

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Director, IE-III, USNRC (1)

Director, MIPC, USNRC (2) hj,-..

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487 9212010482 761231 PDR ADOCK 05000263 R

PDR 1

02b Rev. 3 7,11 "./ ~ 6 UPiX\\flNG C'A RI.!Ulu L

in Tl:r:a.

'm. 63

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UNic y

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JANUARY 4, 1977 O M;".in En cv W. A. SIW!LA

_ 1y.9,_ 51,lht.,J.;

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"i 3%-

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alRitrlNG STN111S Reporting Period:

DECINBER Grn e 11aurs in Rout Period:

744 i.

". Crvrentiv Authorized Power Leve' t'"' ':

% 70 M:n. Depend. Caineirv (MWe-:.Lri:

~ Ti5. i.

~

Desi:*n Electrical Ita V '

+

,j-p Pn or f.eveI to Which Re';tcicted ':f u<y.

NONE keronn for Restriction (if anv);

C Tills MNTil YR TO W.TE ClBU1A1: &

5.

Number of flours Reactor Was Critical..........,

744,0 -

8,227.8 38,076.4.

0

- 940.7,

6.

Reactor Reserve Shutdown flourr..................

0.0

_...._.0 Iburs Genera t or On Line........................

693.3 8,038,0 36,775.2-

.1 Unit Reserve Shutdown !!ours....................

0.0 0.0 0.0 9.

Gross Thermal Energy Gene 1ated (Mn11)...........

1,034,272.8 12,343,437.6 62.662,675.4 N.

Grers Electrical Energy Generated '?t01)........

347,140 4,173,370 18,644,420

i. Net Elect rical Energy Generated 0501)..........

332,946

'3,986,380 17,807,472 100%

93.7%

- 7 8.9%'

Re.ctor Service Fact or...................

P. :to r Availabil i ty Facter....................

100%

93,7%

80.8%-

hw F o rvic e F,c t er............................

93.21,-

91.5%

76.20 t'

Av. i khili t,* Tact or......,.......

93.2%

91.5%

76.2%l

'izii : Cap:. city F:.bu (Using %.............

83,5%

84.7% -

68.8%

82.1%

83.2%

67.6h i'

' fab Copacity !w :m (Using De.c.ign MUc' 0.0%

'1.1%

9.3%

Ui.i.t Forced Datage Rate........................ _ _

li.

Shutdowns Scheduled Over Next 6 Months (Tvpc. Date and Duration et Each): None-I 20.

If Shutdown at End of Report Period, Estimated Date of Startup:

-N/A l

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,20?5 Rev. 0 3/3/76 AV11MGE DAILY UNIT IWOI LLVEL DOCKET to.

50 263 UNIT l DATE 01/06/77 C04PLETED BY W. A. SitAMLA

6. 2/295-5151, Ext.111 TELEPIONE 1

DI;CEMBER 1976 gyg AVDIAGE IAILY IUhUt LEVEL DAY AVERAGE DAII.Y 10hTR LLVEL DAY (fMe Net)

(?Me Net) 1 538 17 311 2

529 18 11 3

534 19

-5 4

534 20 191 442 21 307 5

6 536 22 380 23 452 7

541 24 519 8

541 9

543 25

_,549 10 540 26 496 11 541 27 548 12 540 28 549 13 541 29 549 14 363 30 551 15 324 31 550 16 324 i

in

2027 Rev. 0 3/3/75 TCKET N].

50-263 tGli A M T uticello

" NIT SLTLOC S AND IUER REDUCTIONS J,...,wt 01/06/77 OFIFLF'IfED IX ia'. A. SHA!"JA PfiVRf ?mTH DECEMBER 1976 EELLFilC.1 912/2.G-5151 Ltt. 111 i

i i

EITED OF f

r-SUITING DOL 0s F: FORCED 1 DURATION

} THE REACTOR OR NO.

DATE S: SCHEDULED OFFRS)

REASON (1) I REDUCI;U IUaUt (2)

COPJilrrIVE ACIIO S/CJM \\TS g

-=

37 761205 F

0 H

4 Pos-er was reduced to 75% of rated when a circulating water systess problem resulted in a reduction of main condenser vacuum.

38 761214 S

0 B

4 Power was reduced to 50% of rated to permit maintenance of reactor feedvater pump.

39 761215 5

' 50. 7 '

B 1

Plant Outage taken to repair feed-water beater tube leaks.

(1) REASON (2) EW 1: !bnual A: Eauipment Failure (Explain)

E: Mdint. or Test 2: M w al Scram 3: Autmatic Scram C: Refueling 4: Other (Explain)

.D: Regulatory Restriction E: Operator Training and License Examinatien 9ff.nRY: Operated as base loaded F: Administrative unit with weekend power G: Operational Error (1.xplain) reductions for surveillance

?!: Other (I% plain) testing.