ML20217K208

Monthly Operating Rept for Sept 1997 for Monticello Nuclear Generating Plant

ML20217K208
Person / Time
Site:	Monticello
Issue date:	09/30/1997
From:	Paustian H, Voth M NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9710240039
Download: ML20217K208 (5)

Text

. .' s l Northem States Power Company Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello, Minnesota $$362 9637 October 9,1997 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 Septemoer,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 September is provided.

Please contact Marcus H. Voth, Project Manager - Licensing at (612) 2715116 if yo. require further information.

J

, Marcus H. Voth Project Manager Licensing Nuclear Energy Engineering Dept.

c: Regional Administrator -Ill, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota e Attn: Kris Sanda J Silberg /[ g } /

9710240039 970930 PDR ADOCK 05000263 R PDR f}\h

o s OPERATING DATA REPORT

. s DOCKET NO. 50-263 DATE 10- 1-97 COMPLETED BY H. H. Paustian l TELEPHONE 612/295-5151 OPERATING STATUS

] Notes j

1. Unit Name : Monticello ) ]

2. Reporting period: September ) )

3. Licensed Thermal Power LMWt) : 1670 ) )

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

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

6. Maximum Dependable Capacity (Grnss MWe): 571.5 D )

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 Anyt __N/A THIS MONTH YR.-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720 6551 230136

12. Number Of Hours Reactor ',' ' ?ritical 720.0 4584.4 187977.3

13. Reactor Reserve Shutdown nours 0.0 0.0 940.7

14. Hours Generator On-Line 720.0 4564.1 184880.5

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1201135 7573374 287445285

17. Gross Electrical Energy Generated (MWH) 414387 2617845 97291360

18. Net Electrical Energy Generated (MWH) 397014 2509866 93114175

19. Unit Service Factor 100.0% 69.7% 80.3t

20. Unit Availability Factor 100.0% 69.7% 80.3%

21. Unit Capacity Factor (Using MDC Net) 101.5% 70.5% 75.4%

22. Unit Capacity Factor (Using DER Net) 99.7% 69.3% 74.1%

23. Unit Forced Outage Rate 0.0% 30.3% 4.3%

24. Shutdowns Scheduled Over Next 12 Months 0 Type, Date, and Duration of Each)

_ 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 g . . . . . . . . _ _ __

. s s

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

DATE 10- 1-97 COMPLETED BY H. H. Pauctian TELEPHONE 612/295-5151 MONTH OF September DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 545. 17 550.

2 546. 18 551.

l 3 546. 19 547.

4 550, 20 551.

5 549. 21 557.

6 ,

547, 22 557, 7 548, 23 558.

8 547, 24 558.

9 550, 25 557.

10 546. 26 557.

11 549, 27 ,558.

12 549, 28 557.

13 550. 29 557, 14 550, 30 558.

15 549.

16 549.

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.

o ,

(RTIT SIIUTDOVNS AND POVER REDUCTIONS DOCKET No. 50-263 ,

IRIIT NAME MonticElio

• DATE 70-01-91 COMPLETED BT 11.. II. Faustian l

REFORT MONTil Sep tember TELEr110nE _612/2?3-515T-No. Date Duration Reason Method IIR System Comp. Cause & Correttive Ty(pe 1) (hours) (2) of No. L' ode Code Action to Shutdown (4) (5) Prevent Recurrence (3)

None I 2 3 4 F: Forced Reason: Method: Draf t IEEE Standard S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(r895-D5)

B-Haintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram 5 D-Re ator Restriction 4-Other (Explain) IEEE Standard 803A-1983 rator Training & License Examination

. F- ministrative G-Operational Error (Explain)

Il-Other (Explain)

,..s

• • I*'* NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE i

I DOCKET NO. 50-263 DATE 10- 1-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH SEP 09-01-97 to Power operation.

09-30-97 p

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