ML20128C566

Monthly Operating Rept for May 1978 for Monticello Nuclear Generating Plant

ML20128C566
Person / Time
Site:	Monticello
Issue date:	05/31/1978
From:	Mayer L, Myrabo A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
NUDOCS 9212040471
Download: ML20128C566 (5)

Text

F-5.II@?ff.

~...

MINN E APO LI S. MIN N E SCTA 5540%

.e Ej n

La)

E-'

k

• a C

~N j,T T June 13,19 78

.y;

- y;

."39

f

.a N

N

'Se Director, Of fice of Management C

Information & Program Control c/o Distribution Services Branch, DDC, ADM U S Nuclear Regulatory Commission Washington, DC 20555 Dear Sir HONTICELID NUCLEAR GENERATING PLANT Do cke t No. 50-26 3 License No. DPR-22 Monthly Operating Report May 1978 Attached are two copies of the Monthly Operating Report f o r May,

1978 for the Monticello Nuclear Generating Plant.

Yours very truly, L 0 Mayer, PE Manager of Nuclear Support Services LOM/deh cc Director, IE-III, USNRC (1)

Director, IE, USNRC (c/o DSB) (10)

MPCA Atta: J W Ferman

$#g$

781720177 9212040471 780531 ADOCK0500g3 4;

DR j

OPERATING DATA REPORT DOCKET No.

50-263_____

DATE 6-8-78____

COMPLETED BY A.

L. Myrabo TELEPHONE 612/295-bl5I OPERAflNG SfAf0S

! Notes 1.

Unit dama

-_____Monticello l

l 2.

Hanorting oariods

____________MAY

3. Licansad Tharnal Power (Mnt):

1670 4

hamaolate Ratin) (Gross MWe):

__560 i

l 5.

Desian Electrical Hating (Net MWe):

u45.4 i

l

6. Maxi.aum Dependable Capacity (Gross MWe): __564 l

l

7. Max 1 num Denendanla Capacity (Net MMe):

536 i ___ __

8. If Changas :)ccur in Capacity Ratinos (!tems Number 3 Throuch 1) Since Last Renort. Giva Heasons

__ N / A _ ___.

9. eower Level fo nhich Hestricted, if Any (Net Mne):

___N/A

10. Reasons For Restrictions. If Any

__N/A This Month Yr.-to-Date Cumulative

11. Hours In Renorting Pariod

- 744 3623 60648 I2. Number Of Hours Heactor has Critical

___744.0

___3549.6

__ 4d/18.0 940.7 IJ. Reactor Heserve Shutdown Hours 0.0

______O.0

14. Hours Generator On-Line

___744.0

___3519.8

__ 4/297.2

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

/9311862 I6. Gross Thermal Energv Genarated (MWH)

_1172909

_ 5657286

___24305130

17. Gross Electrical Eneroy Generated (MAH) __398510

__1932440

16. het Electrical Energv Generated (MWH)

__382718

__1860666

__2423704c

19. Unit Service Factor

__100.0%

___ 97.2%

____ 78.0

20. Unit Availability Factor

__100.0%

___ 97.2%

____ 78.0a

21. Unit Caoacity Factor (Usino MDC ilet)

__ 96.0%

95.8%

____ 71.01

22. Unit Capacity Factor (Using DER Net)

__ 94.3%

___ 94.2%

____ I O. 3 2

23. Unit Forced Outaae Rate 0.0%

0.3%

7.9%

24 Shutdowns Scheduled Over Next 12 Months ( Tvoe. Date, and Duration of Each)

Hefuelina Catage. October 16 1978 40 davs_____

25. If Shut Down At End of Renort Pariod. Estimated Date Of Startup __N/A_______

26. Units In Test Status (Prior to Commercial Operation): N/A Forecast Achieve INITIAL CRITICALITY INITIAL ELECTHICITY

__=

COMMERCIAL OPERATION l

i

+

AVERA0E DAILY UNIT, POWER LEVEL DOCKET NO.

50-203_____

UNIT Mont i c e l lo__

DATE 6-8-78____

COMPLETED BY A. L. Myrabo TELEPHONE 612/293-5151 MON Tri ______M AY DAY AVERA0E DAILY POWER LEVEL DAY AVERA0E DAILY POWER LEVEL (Vde-Net)

(Mde-Net) i 1

_505__

17

___509 2

547_____

18 494___

3 549_____

19 485____

20 538_

4 548__

5

___552_

21 413______

6

__550____

22 512_

7 470___

23

___535_ _

8

_542__._________

24 468_

9 540 26 477__

10 516 26 534_____

ll 550_____

27

__531____

12 499_____

28 495___

13 549 29 448_

14 551 30 537_

15 515 482_______

31 16

_506__

IN STRUCTIOt4S On this format. list the average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest whole mecawatt.

a

i l

.i NARRATIVE SLMRRY OF OPERATING EXPERIENCE

+

4 DOCKET No. 50-263 4

I (NIT bbnticello 00bFIEIED BY A. L. Myrabo TElH HONE 612/295-5151 DATE June 8, 1978 j

bbnth May, 1978 i

i 5/1/78 Operated at 100% power except for power reductions on to fourteen days for load following..No safety related 5/31/78 maintenance performed. No significant operating pro-blems experienced.

I i

i i

i.

'i k

l i

l l'

i

~

9

_y

.m, y4.,

.._.3,,.

.wg<

w,,,,.&g.,

,y,.

.y.s. rN,.

c. 9 y

-c

_ =.

-..~..-- ---.. ~ _. - _... -... -.. ~. - -.. -.....

.c DOCKET NO.

50-263 UNIT SilUTDOWNS AND POWER REDUCTIONS UNIT NAME Monticello DATE Jt.ine 8. 1978 REPORT MONTH Mty COMPLETED BY A. L. Mvrabo i

TELEPHONE 61Z/Z95-5151 l

0 q

2

~

h licensee

,E%

h4 Cause do Correctrve No.

Date -

3 3g 3

jg5 Event s7 s.3 Attson to y5 3 5 :t Report :

EU 5O Prevent Recurrence

'u 6

i 1

i i

i 4

c t

1 E

i 2

3 4

j F: Forced Reasort Method:

Exhibit G-Instructions I

5: Sthed uled A-Equipment Failure (Explain) 1 -Manual for Preparation of Data B. Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee

. C Refueling.

3-Automatic Scram.

Event Report (LER) File (NUREG-,

D-Regulatory Restriction 4-Other (Explain) 0161) 4-EOperator Training & License Examination 9

i F-Administrative 5

G-Operational Error ( E xplain t

' Exhibit I.Same S.mrce es'77)

Il-Ot her (I" splain i i.

'?"