ML20004E159

Monthly Operating Rept for May 1981

ML20004E159
Person / Time
Site:	Monticello
Issue date:	06/02/1981
From:	Myrabo A NORTHERN STATES POWER CO.
To:
Shared Package
ML20004E151	List: ML20004E150 ML20004E159
References
NUDOCS 8106110270
Download: ML20004E159 (4)

Text

'AC -i 1381 1

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOC ET NO.

50-263____

DATE 6-2-Gi_....

COMPLETED BY A.

L.

t:y r a t) o TELEPH0tE 612/295-5151 M O N T H _ _. _ _ _ __ M a y _ _ _ _ _ _ _ _._ _ __ _

5-1-Si to Continuation of i?8i refueling outage (EOC-8).

5-10-81 5-i1-01 Reactor critical for BOC-9 physics testing.

5-12-81 Reactor eriticaL for BOC-9.

Generatar on-tine.

5-13-81 Generator off-tine for turbine overspeed testing.

5-i3-Si Reactor scram on MSIV closure.

5-14-81 to Generator on-line.

Power operation.

5-31--61 Note: Power operation defined as essentiaLiy 1 0 0 ?. oi rated power except for weekend Load drops for spec 1fied surveillance testing, 810611o S 7 0

4 JUN 4 199; OPERATING DATA REPORT DOCi(ET NO.

50-263__ ___

DATE 6-2-81 ___

COMPLETED BY A.

L.

Myrabo TELEPHONE 612/295-5151 OPERATING STATUS INotes i

1.

Unit Name

________________________MonticeLto l

l 2.

Reporting period:

___________________MAY I

1

3. Licensed Thermal Power (MWt)

____________1670 l

l 4.

Nameplate Rating (Gross MWe)

_____________569 i

i

5. Design Electrical Rating (Net MWe)'

_____545.4 I

i 6.

Maximum Dependable Capacity (Gross hWe): __564 I

I 7.

Maximum Dependabte Capacity (Net MWe)

____536 l______..__________._.._____.l 8.

If Changes Occur in Capacity Ratings (Items Nunece r 3 Through 7) Since Last Report, Give Reasons:

__N/A_____________________,____________________-___

9.

Power Level To Which Restricted, If Any (Net hWe):

..__N/A____________..______

10. Reasons For Restrictions, If Any:

__N/A_____________________________ _____'__

This Month Yr.-to-Date Cumu la t i ve

11. Hours In Reporting Period

_____744

_____3623

___. 86952

12. Number Of Hours Reactor Was Critical

___468.8

___2972.4

__ 71491.4

13. Reactor Reserve Shutdown Hours

_____0.0

______0.0

___.._940.7

14. Hours Generator On-Line

___444.1

___2927.5

__ 69774.6

15. Unit Reserve Shutdown Hours

_____0.0

______O.0

_______0.0

16. Gross Thermal Energy Generated (MWH)

_ 697478

. 4418819

_114Q42339

17. Gross Electrical Energy Generated (MWH) __235565

__1499425

__36094616

18. Net Electrical Energy Generated (MWH)

__225055

__i438355

__34524358

19. Unit Service Factor

__ 59.7%

___. 80.8%

____ 80.2%

20. Unit Availability Factor

-_ 59.7%

___ 80.8%

_..__ 80.2%

21. Unit Capacity Factor (Using MDC Net)

__ 56.4%

___ 74.1%

____ 74.1%

22. Unit Capacity Factor (Using DER Net)

__ 55.5%

.__ 72.8%

____ 72.8%

23. Unit Forced Outage Rate 3.1%

2.9%

6.4%

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

__0ctober 12, 1981 - Maintenance Outage - 42 days ___________________..___

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:__N/A_____ _

26. Units In Test Status (Prior to Commercial Operation)

N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION P00R ORIGINAL

O AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263__ ___

UNIT MonticeLlo__

DATE 6-2-81____

COMPLETED BY A.

L.

Myrabo TELEPHONE 612/295-5151 MONTH ______MAY DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) i

-2____________

17

__________545___.______

9

-4____________

18

_-.542 _ __..______

3

-3____________

19

__________540___

4

-4____________

20

__________544____________

5

-2____________

21

______..___540_____________

6

-4____________

22

__________540__________,._

7

-4____________

23

______..___542____________

0

-3____________

24

__________475_______.____

9

-4____________

25

__________541____________

i s

t 10

-4____________

26

__________542___..________

11

-6____________

27

__________540____________

)

12 4____________

28

__________542 13

__________101____________

29

__________542____________

I 14

__________961__________-_

30 543___-_-_-.-_-

t 1

15

__________444____________

31

__..____.___535__.._______._

l 16

__________532____________

1 l

INSTRUCTIONS l

l l

On this format, list the average dail/ unit power level in MWe-Net for each P00R ORIGINAL

~.,

UNIT SilU1 DOWNS \\ND POWER REbuCTIONS DOCKET NO. 50-263 UNIT NASIE hionticello DATE 6-7-R1 R EPORT.\\lON ill bl3V CO%1PLETED BY A. L. htvrabo IELEPalONE 612/261-5808

{?

3 j YE Licensee 5-t,,

['1, Cause & Correcene No.

Dare i

3g 4

2s5 Esent gg E-3 Aoion to H

AE jij Report :

mO j~

Psesent Recurrence 6

9 5-01-8; S

284.4 C

2 N/A ZZ ZZZZZZ Continuation of 1981 refueling outage (EOC-8).

10 5 - 1.

81 S

1.2 B

1 N/A IIA RIRBIN Generator off-line for turbine overspeed test.

11 5-13-81 F

14.2 G

3 N/A CC bECIUN Mistaken use of reactor pressure controls resulted in reactor ' scram on MSIV closure.

/

l 2

3 4

F: Forced Reason :

hiethod:

Edubis G -Instructions S: Scheduled A Equipinent Failure (E.splain) 1 klanual for Preparation of Data B41aintenance of Test 2-hlanual Scrain.

Entr> Sheets for Licensee C Refueling 3 Automatic Scram.

Esent Repost (LER) File int' REG-l) Regulatory Restriction 4 Other (Explain) 01611 E-Operator Training & license Exannnation F-Administ rati.e 5

G-Operational Error ( E xplain)

Ex!nbit 1 Same Source 19/77) 11 Other (E xplain)

-