ML20249A575

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

ML20249A575
Person / Time
Site:	Prairie Island
Issue date:	05/31/1998
From:	Dugstad D, Sorensen J NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9806170090
Download: ML20249A575 (7)

Text

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Northern States Power Company Prairie Island Nuclear Generating Plant 1717 Wakonade Dr. East Welch, Minnesota 55089 June 11,1998 Technical Specifications 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 l

Monthly Operating Report l

May 1998 Attached is the Monthly Operating Report for May 1998 for the Prairie Island Nuclear Generating Plant.

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Joel P Sorensen Plant Manager Prairie Island Nuclear Generating Plant f

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Regional Administrator-Ill, NRC

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NRR Project Manager, NRC NRC Resident inspector State of Minnesota - Kris Sanda Attachment O

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ADO K O O 2

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e PRIMTED 06/02/98

. NRC MONTHLY REPORT Page1 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 4

DATE 06/02/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-3881121-4376 i

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: MAY 1998 During the month of May, Unit 1 was base loaded.

. There were no power reductions or shutdowns.

Because of the LP rotor upgrade the Unit is producing additional megawatts. The values for the Designed Electrical Rating and Maximum Dependable Capacity (both gross and net) will t,e changed after the Unit completes an URGE test.

CURRENT CONTINUOUS OPERATING RUN OF 141 DAYS

f PRINTED 06/02/98

. NRC MONTHLY REPORT Page 2 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 06/02/90 COMPLETED BY DALE DUGSTAD OPERATING DATA REPORT l

OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO.1

2. REPORTING PERIOD:

MAY 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):

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 CUMULATIVE

11. HOURS IN REPORTING PERIOD 744 3623 214391

12. NUMBER OF HOURS REACTOR CRITICAL 744.0 3623.0 184400.0

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.00 5571.1

14. HOURS GENERATOR ON-LINE 744.0 3599.7 182588.2

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.00 0.00

10. GROSS THERMAL ENERGY GENERATED (MWH) 1220400 5890464 200168307

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 408250 2026610 95845320

18. NET ELECTRICAL ENERGY GENERATED (MWH) 385059 1922806 90157127

19. UNIT SERVICE FACTOR 100 99.4 85.2

20. UNIT AVAILABILITY FACTOR 100 99.4 85.2

21. UNIT CAPACITY FACTOR ( MDC NET) 100.9 103.5 83.3

22. UNIT CAPACITY FACTOR ( DER NET) 97.7 100.1 79.3

23. UNIT FORCED OUTAGE RATE O

O 4.5

24. FORCED OUTAGE HOURS 0.0 0.0 8540.7

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',-

PRINTED 06/02/98 NRC MONTHLY REPORT Page 3 j

DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 06'02/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612 388-11214376 UNIT SHUTDOWNS AND POWER REDUCTIONS MONTH:. MAY.1998 DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 05/31/98 1

0 NOTES:

None.

IYfE REASON MEIliOQ SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1 MANUAL DRAFT IEEE STD S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL TRIP C-REFUELING 3 AUTOTRIP D-REGULATORY RESTRICTION 4-CONTINUED E OPERATOR TRAINING AND 5-REDUCED LOAD GQMEQNENT CODE LICENSE EXAMINATION l

9-OTHER IEEE STD 803A-1983 F-ADMINISTRATIVE G-OPERATIONAL ERROR HOTHER

f c

PRINTED 06/02/98 NRC MONTHLY REPORT Page 4 DOCKET NO. 50 306.

UNIT PRAIRIE ISLAND NO. 2.

DATE 06/02/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE l

MONTH: MAY 1998 -

During the month of May, Unit 2 was base loaded.

There were no power reductions or shutdowns.

CURRENT CONTINUOUS OPERATING RUN OF 88 DAYS

I I

l l

f PRINTED 06/02/98 l

...NRC MONTHLY REPORT -

P:ge 5 DOCKET NO. 50 306 UNIT PRAIRIE ISLAND NO. 2 DATE 06/02/98 COMPLETED DY DALE DUGSTAD TELEPHONE 612-3881121-4370 DEEBATJMGLDATA_REEQBI l

QEERATJNG_AIAIDS

1. UNIT NAME:

PRAIRIEISLAND NO.2

2. REPORTING PERIOD:

MAY 1998

3. LICENSED THERMAL POWER (MWT): 1050

4. NAMEPLATE RATING (GROSS MWE):

593

5. DESIGN ELECTRICAL RATING (NET MWE): 530

0. 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. lF ANY (NET MWE): NONE

10. REASONS FOR RESTRICTIONS,IF ANY:

NONE IHit.MQMIH Y&TQ-DATE CUMULAIlVE

11. HOURS IN REPORTING PERIOD 744 3023 205509 12.NUMOER OF HOURS 9EACTOR CRITICAL 744.0 2700.1 181420.3

13. REACTOR RESERVF JHUTDOWN HOURS 0.0 0.00 1510.1

14. HOURS GENERATOR ON LINE 744.0 2691.3 179918.4

15. UNIT RESERVE SHUTDOWN HOURS -

0.0 0.00 0.00 10 GROSS THERMAL ENERGY GENERATED (MWH) 1224021 4393810 286858397

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 397130 1458260 93955070

18. NET ELECTRICAL ENERGY GENERATED (MWH) 373748 1374839 88820009

19. UNIT SERVICE FACTOR 100 74.3 87.5

20. UNIT AVAILABILITY FACTOR 100 74.3 87.5

21. UNIT CAPACITY FACTOR ( MDC NET) 98.1 74.1 80

22. UNIT CAPACITY FACTOR ( DER NET) 94.8 71.0 81.0

23. UNIT FORCED OUTAGE RATE O

25.7 3.1

24. FORCED OUTAGE HOURS 0.0 931.7 5002.8

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

N/A

20. IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE:

N/A

PRINTED 06/02/98 NRC MONTHLY REPORT e

Page 6 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 06/02/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-11214376 ljNIT SHUTDOWNS AND POWER REDUCTIONS MONTH: MAY 1998 DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 05/31/98 2

0 NOTES: None.

IEE REASON MEItiOD 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-OPERATOR TRAINING AND 5-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 9-OTHER IEEE STD 803A-1983 F-ADMINISTRATIVE G-OPERATIONAL ERROR H-OTHER J