ML20236X853

Monthly Operating Repts for July 1998 for Prairie Island Nuclear Generating Plant

ML20236X853
Person / Time
Site:	Prairie Island
Issue date:	07/31/1998
From:	Dugstad D, Sorensen J NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9808100322
Download: ML20236X853 (9)

Text

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Northern States Power Company Pralrle Island Nuclear Generating Plant 1717 Wakonade Dr. East Welch, Minnesota 55089 l

August 5,1998 Technical Specifications 6.7.A.3 l

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1 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 PRAlRIE ISLAND NUCLEAR GENERATING PLANT Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 Monthly Operating Report July 1998 Attached is the Monthly Operating Report for July 1998 for the Prairie Island Nuclear Generating Plant.

Joel P. Sorensen Plant Manager Prairie Island Nuclear Generating Plant c:

Regional Administrator-Ill, NRC 1

NRR Project Manager, NRC

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NRC Resident inspector State of Minnesota - Kris Sanda Attachment l

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9808100322 980731

{DR ADOCK 05000282 PDR J

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NRC' MONTHLY REPORT PRINTED 8/4/1998 s,

Page1 DOCKET NO 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD PHONE 651-388-11214376 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: JULY 1998 During the month of July, Unit 1 was base loaded. There were no power reductions or shutdovms.

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CURRENT CONTINUOUS OPERATING RUN OF 43 DAYS l

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NRC MONTHLY REPORT PRINTED 8/4/1998 Page 2 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD PHONE 651388-1121-4376 OPERATING DATA REPCRT

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i OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO.1

2. REPORTING PERIOD:

JULY 1998

3. LICENSED THERMAL POWER (MWT): 1650

4. NAMEPLATE RATING (GROSS MWE): 593

5. DESIGN ELECTRICAL RATING (NET MWE): 543

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):

558

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

526

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 i

THIS MONTH YR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 5087 215855

12. NUMBER OF HOURS REACTOR CRITICAL 744.0 4793.9 185570.9 j

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.00 5571.1

14. HOURS GENERATOR ON-LINE 744.0 4757.2 183745.7

15. UNIT RESERVE SriUTDOWN HOURS 0.0 0.00 0.00

16. GROSS THERMAL ENERGY GENERATED (MWH) 1220400 7738353 292016196

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 412560 2648800 96467510

18. NET ELECTRICAL ENERGY GENERATED (MWH) 389743 2505682 90740003

19. UNIT SERVICE FACTOR 100.0 93.5 85.1 l

20. UNIT AVAILABILITY FACTOR 100.0 93.5 85.1

21. UNIT CAPACITY FACTOR ( MDC NET) 99.6 94.6 83.2

22. UNIT CAPACITY FACTOR ( DER NET) 98.8 91.6 79.2

23. UNIT FORCED OUTAGE RATE 0.0 6.1 4.6

24. FORCED OUTAGE HOURS 0.0 306.5 8847.2

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

N/A

26. IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE:

N/A e-_______-_-_______________.

N NRC MONTHLY REPORT PRINTF D 8/4/1998

,,c PaQO J DOCKET NO. 50 282 UNIT PRAIRIE ISLAND NO.1 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD j

PHONE 651-388-1121-4376 1

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UNIT SHUTDOWNS AND POWER REDUCTIONS i

PAONTH: JULY 1998 DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 7/31/1998 1

0 NOTES:

None.

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l TYPE REASON METHOD SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT IEEE STD S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL TRIP C-REFUELING 3-AUTO TRIP D-REGULATORY RESTRICTION 4-CONTINUED E-OPERATORTRAINING AND 5-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 9-OTHER IEEE STD 803A-1983 F-ADMINISTRATIVE G-OPERATIONAL ERROR H-OTHER l

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NRC MONTHLY REPORT PRINTED 8/4/1998 Page 4 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD PHONE 651-388-11214376 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MON 714: JULY 1998 l

During the rnonth of July, Unit 2 was base loaded. There were no power reductions or shutdowns.

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CURRENT CONTINUOUS OPERATING RUN OF 149 DAYS

NRC MONTHLY REPORT PRINVED 8/4/1998 Page 5 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD PHONE 651388-1121-4376 OPERATING DATA REPORT OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO. 2

2. REPORTING PERIOD:

JULY 1998

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 MONTH YR TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 5087 206973

12. NUMBER OF HOURS REACTOR CRITICAL 744.0 4164.1 182890.3

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 1516.1

14. HOURS GENERATOR ON-LINE 744.0 4155.3 181382.4

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWH) 1224621 6778064 289242651

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 400800 2234120 94731530

18. NET ELECTRICAL ENERGY GENERATED (MWH) 378027 2106573 89557743

19. UNIT SERVICE FACTOR 100.0 81.7 87.6

20. UNIT AVAILABILITY FACTOR 100.0 81.7 87.6 l

21. UNIT CAPACITY FACTOR ( MDC NET) 99.2 80.9 86.1 l

22. UNIT CAPACITY FACTOR ( DER NET) 95.9 78.1 81.6

23. UNIT FORCED OUTAGE RATE 0.0 18.3 3.0

24. FORCED OUTAGE HOURS 0.0 931.7 SG62.8

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

j N/A

26. IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE:

N/A l

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" ", NRC MONTHLY REPORT PRINTED 8/4/1998

)

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DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 8/4/1998 j

COMPLETED BY DALE DUGSTAD PHONE 651-388-1121-4376 UNIT SHUTDOWNS AND POWER REDUCTIONS l

MONTH: JULY 1998 DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 7/31/1998 2

0 NOTES: None.

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l TYPE REASON METHOD SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT IEEE STD S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL TRIP C REFUELING 3-AUTO TRIP 1

l D-REGULATORY RESTRICTION 4-CONTINUED E-OPERATOR TRAINING AND 5-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 9-OTHER IEEE STD 803A-1983 F-ADMINISTRATIVE G-CPERnTIONAL ERROR H-OTHER

w NRC MONTHLY REPORT PRINTED 8/4/1998 Page 7 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD PHONE 651-388-1121-4376 AVERAGE DAILY POWER LEVEL l

UNIT 1 MONTH: JULY 1998 DATE:

AVERAGE DAILY POWER LEVEL 7/1/1998 524 7/2/1998 528 7/3/1998 525 7/4/1998 528 7/5/1998 526 7/6/1998 528 7/7/1998 527 7/8/1998 525 7/9/1998 524 j

7/10/1998 522 I

7/11/1998 523 7/12/1998 522 7/13/1998 521 l

7/14/1998 519 7/15/1998 519 7/16/1998 520 7/17/1998 522 7/18/1998 518 7/19/1998 522 7/20/1998 523 7/21/1998 520 7/22/1998 524 7/23/1998 525 7/24/1998 526 7/25/1998 525 7/26/1998 523 7/27/1998 528 7/28/1998 524 7/29/1998 526 7/30/1998 528 7/31/1998 526 l

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This page is for internal (PI) use only.

AVERAGE LOADS ABOVE 526 MWE-NET ARE DUE TO COOLER CONDENSER CIRCULATING WATER

NRC MONTHLY REPORT PRINTED 8/4/1998 c u*.*

Page8 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 8/4/1998 COMPLETED BY DALE DUGSTAD PHONE 651-388-1121-4376 AVERAGE DAILY POWER LEVEL UNIT 2 MONTH: JULY 1998 DATE:

AVERAGE DAILY POWER LEVEL 7/1/1998 509 7/2/1998 513 7/3/1998 510 7/4/1998 513 7/5/1998 511 7/6/1998 513 7/7/1998 511 7/8/1998 510 7/9/1998 508 7/10/1998 506 7/11/1998 508 7/12/1998 506 7/13/1998 505 7/14/1998 504 7/15/1998 502 7/16/1998 503 7/17/1998 506 4

7/18/1998 503 7/19/1998 506 7/20/1998 507 I

7/21/1998 504 7/22/1998 508 7/23/1998 508 7/24/1998 510 7/25/1998 509 7/26/1998 508 7/27/1998 511 7/28/1998 507 7/29/1998 509 7/30/1998 512 7/31/1998 510 i

I This page is for internal (PI) use only.

AVERAGE LOADS ABOVE 512 MWE-NET ARE DUE TO COOLER CONDENSER CIRCULATING WATER