ML20029E568
| ML20029E568 | |
| Person / Time | |
|---|---|
| Site: | Monticello |
| Issue date: | 04/30/1994 |
| From: | Richard Anderson, Paustian H NORTHERN STATES POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9405190108 | |
| Download: ML20029E568 (5) | |
Text
Northem States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401 1927 Telephone (612) 330-5500 May 10, 1994 Monticello Technical Specifications Section 6.7.A.3 US Nuclear Regulatory Commission Attna Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report April, 1994 Attached is the Monthly Operating Report for April, 1994 for the Monticello Nuclear Generating Plant.
W f
Roger O Anderson Director Licensing and Management Issues Director, Office of Resource Management c:
Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector State of Minnesota - Kris Sanda Attachment
..- s pp 7
.a v i. L v, J
/
'il
.s:
i 9405190108 940430
}
i
OPERATING DATA REPORT DOCKET NO.
50-263 DATE 5-2-94 COMPLETED BY H.
H.
Paustian TELEPHONE 612/295-5151 OPERATING STATUS
] Notes
]
- 1. Unit Name Monticello
)
)
2.
Reporting period:
April
)
]
- 3. Licensed Thermal Power (MWt) 1670
)
]
4.
Nameplate Rating (Gross MWe).
569
)
]
5.
Design Electrical Rating (: Net MWe).
545.4
)
- 6. Maximum Dependable Capacity (Gross MWe)
__564
)
7.
Maximum Dependable Capacity (Net MWe):
536
)
)
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 719 2879 200160
- 12. Number Of Hours Reactor Was Critical 676.5 2836.5 162212.2
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7
- 14. Hours Generator On-Line 666.4 2826.4 159427.1
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (MWH) 1100772 4700714 245965494
- 17. Gross Electrical Energy Generated (MWH) 372366 1595948 83150611
- 18. Net Electrical Energy Generated
(' WH) 358461 1538825 79557618 M
- 19. Unit Service Factor 92.7%
98.2%
79.6%
- 20. Unit Availability Factor 92.7%
98.2%
79.6%
- 21. Unit Capacity Factor (Using MLC Net) 93.0%
99.7%
74.2%
- 22. Unit Capacity Factor (Using DER Net) 91.4%
98.0%
72.9%
- 23. Unit Forced Outage Rate 7.3%
1.8%
3.6%
- 24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)
- Refueling Outage - 9/15/94 - 39 days
- 25. If Shut Down At End Of Report Period, Estimated Date Of Startup:N/A
- 26. Units In Test Status (Prior to Commercial Operation)- N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 1
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-263 UNIT Monticello--
DATE 5 94 COMPLETED BY H.
H.
Paustian TELEPHONE 612/295-5151 MONTH OF April DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 545.
17
-7.
2-545.
18
- 395, 3
546.
19 542.
4 547.
20
- 543, 5
_543.
21 547.
i 6
545.
22 544.
7 542.
23 546.
8 544.
24 545.
9 547.
25 544.
10 545.
26 546.
11 549.
27 546.
12 545.
28 547.
13 545.
29 545.
14 545.
30
- 546, 15 409.
16
-10.
l 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.
m
4 NARRATIVE
SUMMARY
'OF OPERATING EXPERIENCE 3
y DOCKET NO.
50-263 DATE 5-2-94 COMPLETED BY H.
H.
Paustian TELEPHONE 612/295-5151 i
MONTH __
APR 04-1-94 to Power operation.
04-15-94 04-15-94 High winds caused voltage fluctuations on offsite power grid, which subsequently tripped both Circulating Water Pumps and both Reactor Recirculation Pumps.
The Reactor scrammed on loss of Condenser Vacuum.
04-18-94 to Power operation.
04-30-94 Note: Power operation defined as essentially 100% of-rated power except for weekend load drops'for specified surveillance testing.
Cr en -
UNIT ShVfD014NS AND POWER REDUCTIONS DOCKET NO.
50-263 L' NIT NAME Monticelto DATE 02-94 COMPLETED BY 7. H. Paustian
REPORT MONTH April TELEPHONE _~612/295-5151 i
No.
Date Ty(pe Duration Reason Method LER System Comp.
Cause & Corrective.
1)
(hours)
(2) of No.
Code Code Action to Shutdown (4)
(5)
Prevent Recurrence (3) 3 04-15-94 F
52.6 H
3 94-003 EA 55 High winds caused voltage fluctuations on the off-site power grid, tripping Circ Water Pumps and Pr.
Recirc Pumps. Rx scranuned on Low Cond Vacuum.
- i.
i 1
2 3
4 I
F: Forced Reason:
Method:
Draft IEEE Standard i
S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(P805-D5)-
4 B-Maintenance or Test 2-Manual Scram s
C-Refueling 3-Autmatic Scram 5
i D-Regulator Restriction 4-Other (Explain)
IEEE Standard 803A-1983 E-Operator _ Training & License Examination F-Administrative G-Operational Error (Explain)
H-Other (Explain) i i
1 L
- -