ML20217K274

Monthly Operating Rept for Jul 1997 for Monticello Nuclear Generating Plant

ML20217K274
Person / Time
Site:	Monticello
Issue date:	07/31/1997
From:	Paustian H, Voth M NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9708150185
Download: ML20217K274 (5)

Text

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, Northem States Power Company Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello, Minnesota 55362 9637 August 7,1997 Monticello Technical 3 Specification 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operating Report for July,1997 In accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for the Monticello Nuclear Generating Plant for the Month of July is provided.

Please contact Marcus H. Voth, Project Manager - Licensing at (612) 271-5116 if you require further information.

Marcus H. Voth Project Manager - Licensing Licensing and Management Issues c: Regional Administrator-lil, NRC NRR Project Manager, NRC Sr Resident inspector, NRC  ;

State of Minnesota /

Attn: Kris Sanda J Silberg

/

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. ,e OPERATING DATA REPORT-I .. t

. DOCKET NO. 50-263 k DATE 8- 1-97 -

COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151

-OPERATING STATUS

] Notes ]

1.-Unit Name Monticello } ]

2. Reporting period: July ] ]

3. Licensed Thermal Power (MWt): 1670 ] ]

4. Nameplate Rating (Gross MWe): 576.5 ) ]

5. Design Electrical Rating (Net MWe) : 552.9 ) )

6. Maximum Dependable Capacity (Gross MWe) : 571.5 ] ]

7. Maximum Dependable Capacity (Net MWe): 543.5 ) ]

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To Which Restricted, If Any (Net MWe) : N/A

10. Reasons For Restrictions, If Any: __N/A THIS MONTH YR.-TO-DATE CUMULATIVE 11.. Hours In Reporting Period 744 5087 228672

12. Number Of Hours Reactor Was Critical 28.2 3120.4 186513.3

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Line 7.9 3100.1 183416.5

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Grc3e Thermal Energy Generated (MWH) 6708 5145923 285017834

17. Gross Electrical Energy Generated (MWH) 1366 1782567 96456082

18. Net Electrical Energy Generated (MNH) -2519 1711217 92315526

19. Unit Service Factor 1.1% 60.9% 80.2%

20, Unit Availability Factor 1.1% 60.9% 80.2%

21. Unit Capacity Factor (Using MDC Net) -0.6% 61.9% 75.3%

22. Unit Capacity Factor (Using DER Net) -0.6% 60.8% 74.0%

23. Unit Forced Outage Rate 98.9% 39.1% 4.4%

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

_ Refueling Outage, 3/20/98-4/23/98, 34 days __

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:

26. Units In Test Status (Prior to Commercial Operation) : N/A Forecast Achieved.

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-263 UNIT Monticello ~

DATE 8- 1-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH OF July DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 -4. 17 -5.

2 -4. 18 -5.

3- -4. 19 -5.

4 -4. 20 -5. ,

5 -4, 21 -5.

6 -4. 22 -5.

7 -4. 23 -5.

8 -4. 24 -6.

9 -4. 25 -6.

10 -4. 26 -5.

11 -4. 27 -5.

12 -4, 28 -7.

13 -4, 29 -7.

14 -4. 30 -7.

15 -5. 31 40.

16 -4.

B INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

4 9

t NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50-263 DATE 8 - Wl COMPLETED BY H, H. Paustian TELEPHONE 612/295-5151 MONTH JUL 07-01-97 Plant shut down awaiting completion of installation to of new ECCS suction strainers.

07-30-97 07-30-97 to Plant startup in progress.

07-31-97 i

a s

P Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.

e

1211T SHUIDCNNS AND POVER REDUCTIONS D00TT NO. 50-263 12.'IT NAME Monticello -

DATE 08-01-97

• COMPI1TED BY 1. H.' Paustian REPORT M0tiIH July TELEPH0tE _612/295-5151-I Method IIR System Comp. Cause & Corrective No. Date- Type Duration Reason Code Action to (hours) (2) of No. Code (1) Shutdown (4) (5) Prevent Recurrence (3) 07--01-97 F 736.1 H 2 N/A B0 STR Continuation of shutdown for fabrication and 3 installation of new ECCS suction strainers.

3 4 1 2 Draft IEEE Standard Reason: Method:

F: Forced 1-Manual 805-1984(P805-DS)

S: Scheduled A-Equipment Failure (Explain) 2-Manual Scram B-Maintenance or Test 3-Automatic Scram 5 C-Refueling 4-Other (Explain) IEEE Standard 803A-1983 D-Regulator Restriction E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

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