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

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1 'AC -i 1381 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

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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 Aoion to H

AE $ jij Report : mO j~

E- 3 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)

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