ML20198J728

Monthly Operating Repts for Sept 1997 for Prairie Island Nuclear Generating Plant,Units 1 & 2

ML20198J728
Person / Time
Site:	Prairie Island
Issue date:	09/30/1997
From:	Dugstad D, Sorensen J NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9710220007
Download: ML20198J728 (9)

Text

_ ._ . _ . . _ _ ._

Northern States Power Company

. Prairie Island Nuclear Generating Plant 1717 Wakonado Dr. East Welch, Minnesota 55o89 October 10,1997 Prairie Island Technical Specifications Section 6.7.A.3 US Nuclear Regulatory Commission

("yy!DocumentControlDesk; f w Washingt6rs DC'20555""*4'e4 PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket Nos. 50-282 License Nos. DPR-42 50 306 DPR-60 s

Monthly Operating Report Sectember 1997 Attached is the Monthly Operating Report for September 1997 for the Prairie Island Nuclear Generating Plant.

y' l

/[Tj Joel P Sorensen Plant Manager \

Prairie Island Nuclear Generating Plant c- Regional Administrator-lll,llRC NRR Project Manager, NRC

• NRC Resident inspector State of Minnesota - Kris Sanda Attachment

${lllLldB}lijll!!Ill 9710220007 970930 DR ADOCK0500g2

.4 PRIN7ED 10/03/97

. NRC MONTHLY REPORT Page1 ,

. DOCKET NO 50-282

, , UNIT PRAtRIE ISLAND NO 1 DATE 10/03/97 COMPLETED DY DA1.E DUGSTAD TELEPHONE 612 38811214370 NARRATWEAUMMARLOE.ORERAIING_ EXPERIENCE

- MQNIRSEPTEMBERf99I

' Unit 1 was base' loaded the rnonth of September. There were no shutdow 1. The only power reduction, a coastdown, was started on the 27th at 0125.

l I

e l-CURRENT CONTINUOUS OPERATING RUN OF 105 DAYS

e PRINTED 10/03S7.

. NRC MONTHLY REPORT

• - Page 2 4

DOCKET NO. 50-282

,- UNIT PRAIRIE ISLAND NO.1 DATE 10/03/97 COMPLETED BY DALE DUGSTAD -

TELEPHONE 612-388-1121-4370 AVIB&QL DAILY POWER LEVEL UNIT..1 MONTH: SEPTEMBER 1997 ,

QM AVEBAGE DAILY POVVER LEVEL 09/01/97 511 09/02/97 512 09/03/97 513 09/04/97 515 09/05/97 515 09/06/97 514 09/07/97 515 09/08/97 515 09/09/97 517 09/10/97 515 09/11/97 517 09/12/97 517 09/13/97- $19 09/14/97 515 09/15/97 520 09/16/97 516 09/17/97 519 09/18/97 517 09/10/97 518 09/20/97 '520 09/21/97 521 09/22/97 521 09/23/97 521 09/24/97 521 09/25/97 520 03/26/97 519 09/27/97 514 09/28/97 513 09/29/97 510 09/30/97 508 l

l l'

!~- AVERAGE LOADS ABOVE . 513 MWE-NET ARE DUE TO COOLER CONDENSER CIRCULATING WATER l

I

PRIM 7ED 10/0197

. NRC MONTHLY REPORT Page 3 e

DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO,1 -

DATE 10/03/97 COMPLETED BY DALE DUGSTAD OPERATING DATA REPORT OPERA 11NG STATUS

1. UNIT NAME: PRAIRIEISLAND NO.1

2. REPORTING PERIOD; SEPTEMBER 1997

3. LICENSED THERMAL POWER (MWT): 1650

4. NAMEPLATE RATING (GROSS MWE): 593

5. DESIGN ELECTRICAL RATING (NET MWE): 530

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 545

_7. MAXIMUM DEPENDABLE CAPACITY (NET MWE); 513

8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 7) SINCE LAST REPORT GIVE REASON:

NONE

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE): NONE

10. REASONS FOR RESTRICTIONS, IF ANY: NONE THIS MONTH YR TO-DATE CUMULAIIVE

11. HOURS IN REPORTING PERIOD . 720 6551 208559

12. NUMBER OF HOURS REACTOR CRITICAL 720.0 6172.2 179912.9

.13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.00 5571.1

14. HOURS GENERATOR ON-LINE 720.0 6161.0 178182.7

15. UNIT RESERV5 SHUTDOWN HOURS 0.0 0.00 0.00

16. GROSS THERMAL ENERGY GENERATED (MWH) 1181716 10049686 283103199

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 392960 3338250 93418860

18. NET ELECTRICAL ENERGY GENERATED (MWH) 371691 3149652 87861932

19. UNIT SERVICE FACTOR 100 94 85.4

20. UNIT A>.'AILABILITY FACTOR 100 94 85.4

21. UNIT CAPACITY FACTOR ( MDC NET) 100.6 93.7 83.5

22. UNIT CAPACITY FACTOR ( DER NET) 97.4 90.7 79.5

23. UNIT FORCED OUTAGE RATE O 5.4 4.6

24. FORCED OUTAGE HOURS 0.0 353.6 8540.7

25. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE. DATE AND DURATION OF EACH):

- Refueling outa9e scheduled for October 18,1997, approx. 54 days.

26. IF CURRENTLY SHUTDOWN,- ESTIMATED STARTUP DATE:

N/A i-(

, - , . . . _ , ._ , , . . _ . . _ - . . . . _ _ __ __ ~

+- NRC MONTHLY REPURT - PRINTED m'0W

. Page 4 DOCKET NO,50-282 UNIT PRAIRIE ISLAND NO 1 DATE 10/03/97 COMPLETED BY DALE DUGSTAD TELEPHONE 612 38811214376 i

UNIT StiUIRQMSAt(D POWER REDUCTIONS i

MONTH: SEPTEMBER 193Z DATE UNIT ~ - TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 09/27/97 1 S 0 C 5' N/A N/A N/A NOTES: Started coastdown operation. The outage will start next month.

P IYEE REA80N MEIROD SYSIEM.CQQE F FORCED A-EQUIPMENT FAILURE 1 MANUAL DRAFT IEEE STD

-S-SCHEDULED D-MAINTENANCE OR TEST 2-MANUAL TRIP C-REFUELING 34UTO TRIP O-REOULATORY RESTRICTION 4-CONTINUED E. OPE 'ATOR TRAINING AND 5 REDUCED LOAD COMEQNENLCQQE LICENSE EXAMINATION 0-0THER lEEE STD 803A-1983 F-ADMINISTRATIVE G OPERATIONAL ERROR H-OTHER

- - .. . - = .- --. _ . - - - . - , . . .

PRINTED 10/10/97 NRC MONTHLY REPORT. Page 5 DOCKET NO. 50-306 -

. . UNIT PRAlRIE ISLAND NO. 2 DATE 10/10/97 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 -

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: SEPTEMBER 1997 Unit 2 was base baded for the month of September.

On the 26th at 1700, d.7tt 2 started a required Tech Spec shutdown because the maintenance

- airlock failed its volumetric test. At 2128 the generator was taken off-line and at 2143 tiie reactor was made sub-critical.

Repairs to the airlock were started ASAP.

On the 27th at 1224, the reactor was made critical and at 1717 the generator was placed on-line.

The. Unit reached full power operation at 0520 on the 28th.

There were no other shutdowns or power reductions.

i This ended a continuctus operating run of approximately 130 days, f

CURRENT CONTINUOUS OPERATING RUN OF 2 DAYS

.. - . - . ._= . . - - - . , - . - . . . . - . - . . .-. . ..

PRINTED 10/03/97

- NRC MONTHLY REPORT.

Pa0e 6 .

o.

= DOCKET NO. 50-300

. , UNIT PRAIRIE ISLAND NO. 2 -

. DATE 10/03/97 COMPLETED OY DALE DUGSTAD TELEPHONE 612 38811214376 AVERAGE _ DAILY POWER LEVFJi.

UMT_2 MONTH: SEPlEMBER1MI DAIEI AVERAGE _ DAILY.EQWERMYEL-09/01/97 510 09/02/97 518 09/03/97 519 09/04/P7 520 09/05/97 520 09/06/97 520 09/07/97 519 09/08/97 517 09/09/97 516.

09/10/97 520 09/11/97 522 09/12/97 522 09/13/97 -524 09/14/G7 521

.'09/15/97 525 09/16/97 521 09/17/97 524 09/18/97 523 09/19/97 523-09/20/97 525

, 09/21/97- 520 09/22/97 520

'09/23/97 526 09/24/97 520 09/25/97 520 09/26/97. 425

- 09/27/97 20 09/28/97 499 09/29/97 524 09/30/97 527 AVERAGE LOADS ABOVE 512 MWE NET ARE DOE TO COOLER CONDENSER CIRCULATING WATER l

u

o PRifdTED 10/03/97

- NRC MONTHLY REPORT:

• Page 7 p ,,

DOCKET NO. 50-306 '

'. , UNIT PRAIR!E ISLAND NO. 2 -

DATE 10/03/97 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-11214376

.QEEBATING DATAREEORI .

OPERATING STAIUS

1. UNIT NAME: PRA!RIE ISLAND NO.2

2. REPORTING PERIOD: SEPTEMBER 1997

3. LICENSED THERMAL POWER (MWT): 1650

4. NAMEPLATE RATING (GROSS MWE): 593

5. DESIGN ELECTRICAL RATING (NET MWE): 530

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 544

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 512

' 8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 7) SINCE LAST REPORT, GIVE REASON:-

NONE

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE): NONE

10. REASONS FOR RESTRICTIONS,IF ANY:- NONE THIS MONIH YR TO-DAIE CUMULATIVE

11. HOURS IN REPORTING PERIOD 720 6551 199677

12. NUMBER OF HOURS REACTOR CRITICAL 705.3 5024.0 176517.2

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.00 1516.1

14. HOURS GENERATOR ON-LINE 700.2 4973.6 175018.1

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.00 0.00

16. GROSS THERMAL ENERGY GENERATED (MWH) 11d0339 7908217 278830326

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 382260 2631090 91266380

18. NET ELECTRICAL ENERGY GENERATED (MWH) 361041 2471281 86282055

19. UNIT SERVICE FACTOR 97.3 75.9 -87.7

20. UNIT AVAILABILITY FACTOR - 97.3 75.9 87.7 21, UNIT CAPACITY FACTOR ( MDC NET) 97.9 73.7 86.1

22. UNIT CAPACITY FACTOR ( DER NET) 94.6 71.2 81.5

23. UNIT FORCED OUTAGE RATE 2.7 11 2.6

24. FORCED OUTAGE HOURS 19.8 017.2 4731.1

25. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, AND DURATION OF EACH):

4

=N/A

- 26. IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE:

' N/A 3.

PRINTED 10/03C7 NRC kCNTHLY REPORT

, .- Pae. s DOCKEi NO. f4 306 i

- . UNIT PRAIRIE ISLAND NO. 2 j DATE 1093/97  !

COMPLETED BY DALE DUGSTAD $

TELEPHONE 012 36011214378  ;

i UNIL8HUIDOWNBAND.EQWEfLREQWCIl0NS I

MQNIHLEEEIEMBElutt DATE UNIT TYPE HOURS  : REASON METHOD LER NUMBER SYSTEM COMPONENT 09/26/97 2 F 19.8 A 1 2974 N/A N/A ,

NOTES: Maintenanco Airlock failed a volumetric test. l I

09/26/97 2 S 0 0 6 N/A N/A N/A

- NOTES: Turbino valvos test.

I i

+

IYP1 REA8QN MEIHQD 8181EllLCQQE F-FORCED A EQUIPMENT FAILURE 1 MANUAL DRAFT IEEE STD I

S SCHEDULED B MAINTENANCE OR TEST 2 MANUAL TRIP C REFUELING 3-AUTO TRIP D REGULATORY RESTRICTIOf 4 CONTINUED E OPERATOR TRAINING AND 5-REDUCED LOAD CQMP_QNEN11QDE LICENSE EXAMINATION 9-OTHER IEEE STD 803A 1983 F-ADMINISTRATIVE

( '- G-OPERATIONAL F.RROR H OTHER l.

l

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