ML20199F621
| ML20199F621 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 12/31/1998 |
| From: | Paustian H, Voth M NORTHERN STATES POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9901210375 | |
| Download: ML20199F621 (5) | |
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Northem States Power Company Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello, Minnesota 55362-9637 January 11,1999 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 December,1998 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 December is provided.
Please contact Marcus H. Voth, Project Manager - Licensing at (612) 271-5116 if you require further information.
j Marcus H. Voth Project Manager - Licensing Nuclear Energy Engineering Dept.
c:
Regional Administrator-lit, NRC NRR Project Manager, NRC Sr Resident inspector NRC State of Minnesota Attn: Kris Sanda i
J Silberg 1
/h
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os 9901210375 981231 PDR ADOCK 05000263 R
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OPERATING DATA REPORT i
DOCKET NO.
50-263 l
DATE 1-4-99 i
i COMPLETED BY H. H.
Paustian l
TELEPHONE 612/295-5151 l
-OPERATING STATUS
] Notes J
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- 1. Unit Name Monticello
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- 2. Reporting eriod:
December
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- 3. Licensed T ermal Power (MWt):
1775
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- 4. Nameplate Rating (Gross MWe):
613.0
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- 5. Design Electrical Rating (Net MWe) :
600.0
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- 6. ' Maximum Dependable Capacity (Gross MWe) : 605.1
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- 7. Maximum Dependable Capacity (Net MWe) :
578.1
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8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last i
Report, Give Reasons:
N/A l
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- 9. Power Level To Which Restricted, If Any (Net MWe):
N/A l
- 10. Reasons For Restrictions, If Any: __N/A
.j THIS MONTH YR.-TO-DATE CUMULATIVE j
11.. Hours.In Reporting-Period 744 8760 241105 i
- 12. Number Of Hours Reactor Was Critical 744.0 7722.0 197766.1
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7 i 14. Hours Generator On-Line 744.0 7661.7' 194595.9 L 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 L 16. Gross Thermal Energy Generated (MWH) 1308353 12524829 303380434
- 17. Gross Electrical Energy Generated (MWH) 455996 4293366 102774741
- 18. Net Electrical Energy Generated (:MWH) 440913 4118927 98379984
- 19. Unit Service Factor 100.0%
87.5%
80.7%
- 20. Unit Availability Factor
-100.0%'
87.5%
80.7%
' 21. Unit Capacity Factor (Using MDC Net) 102.5%
85.5%
76.0%
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- 22. Unit Capacity Factor (Using DER Net) 98.8%
83.8%
74.7%
- 23. Unit Forced Outage Rate 0.0%
2.8%
4.3%
- 24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)
L
_None
~ 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 l
INITIAL ELECTRICITY COMMERCIAL OPERATION I
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i*
t AVERAGE DAILY UNIT POWER LEVEL i
g l
1 DOCKET NO.
50-263 UNIT Monticello-DATE 1-4-99 COMPLETED BY H. H.
Paustian TELEPHONE 612/295-5151 I
t
' MONTH OF' December:
j
-DAY AVERAGE DAILY' POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) f 1
597.
17 598.
2 598.
18 598.
3 598.
19 598.
4 599.
'20 599.
.5 592.
21 598.
6 436.
22 595.
7 597.
23 598.
i 8
599.
24 599.
t 9
600.
25 596.
I 10 599.
26 600.
i
-11 599.
27 598.
~12 599.
28 597.
13 599.
29 597.
14 599.
30 597.
l 15 599.
31 596.
16 599.
f 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.
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NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE DOCKET NO.
50-263 DATE 1-4-99 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH DEC 12-01-98 to Power operation.
12-06-98 12-06-98 Power reduction to 47% for Recirculation System MG Set brush exchange, rod pattern sequence exchange, and fuel preconditioning.
12-06-98 to Power operation.
12-31-98 Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-263-
,o UNIT NAME Monticello DATE 01-04-99 COMPLETED BY H. H. Paustian REPORT MONTH December TELEPHONE 612-295-5151 MeEod of System Comp Cause & Corrective Type Duration Reason Shutdown Code Code Achon to No.
Date (1)
(hours)
(2) i,4 LER No.
(4)
(5)
Prevent Recurrence 13 12-6-98 S
0.0 B
4 N/A Power reduction to 47% to perform brush exchanges for Recirculation System Motor-Cwmerator sets, perform control rod pattem sequence exchange, and precondition fuel.
b i
1 2
3 4
F Forced Reason:
Method:
Draft IEEE Standard S
Scheduled A
Equipment Failure (Explain) 1 Manual 805-1984 (P805-D5)
B Maintenance or Test 2
Refueling 3
i D
Regulator Restriction 4
Other(Explain) lEEE Standard 803A-1983 E
Operator Training & Licensing Examination F
Administrative G
Operatonal Error (Explain)
H Other(Explain) i
.