ML20237C635
| ML20237C635 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 07/31/1998 |
| From: | Coleman D, Rich Smith NIAGARA MOHAWK POWER CORP. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NMP91475, NUDOCS 9808240036 | |
| Download: ML20237C635 (5) | |
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1 NIAGARA MOH WK G E N E R ATIO N
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BUSINESS GROUP August 14, 1998 NMP91475 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 RE:
Nine Mile Point Nuclear Station Unit #1 Docket No. 50-220 DPR-63
Subject:
Operating Statistics and Shutdowns - July 1998 Gentlemen:
Submitted herewith is the Operating Data Report, Unit Shutdowns and Power Reductions, and a Narrative of Operating Experience for July 1998 for the Nine Mile Point Nuclear Station Unit #1. Submittal of this information complies with Section 6.9.1.c of the Unit #1 Technical Specifications.
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4 Very truly yours, AAc/d M
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I Robert G. Smith Plant Manager - NMP1
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Enclosures 7,f pc:
H.J. Miller, Regional Administrator, Region 1 B.S. Norris, Senior Resident inspector 9008240036 980731 PDR ADOCK 05000220 R
PDR L
j OPERATING DATA REPORT DOCKET NO.: 50-220 f
DATE: 8/07/98 PREPARED BY: D. E. Coleman l
TELEPHONE: (315) 349-2558 OPERATING STATUS
- 1. Unit Name: Nine Mile Point Unit #1
- 2. Reponing Period: July 1998 Notes
- 3. Licensed Thermal Power (MWt):
1850
- 4. Nameplate Rating (Gross Mwe):
642
- 5. Design Electrical Rating (Net Mwe):
613
- 6. Maximum Dependable Capacity (Gross Mwe):
584
- 7. Maximum Dependable Capacity (Net Mwe):
565
- 8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) Since Last Repon, Give Reasons:
- 9. Power Level To Which Restricted, If Any (Net MWe):
- 10. Reasons Fer Restrictions, If Any:
This Month
' Yr-to-Date Cumulative
- 11. Ilours in Reponing Period 744.0 5087.0 253,104.2 j
- 12. Number of Ilours Reactor Was Critical 744.0 4436.2 171,438.6 4
- 13. Reactor Reserve Shutdown llours 0
0 1,264.2
- 14. Ilours Generator On-Line 744.0 4412.3 167,391.1 l
- 15. Unit Reserve Shutdown llours 0
0 20.4
- 16. Gross Thermal Energy Generated (MWii) 1,365,371.0 8,067,070.0 285,541,816.0 17 ~ Gross Electrical Energy Generated (MWH) 441,714.0 2,726,636.0 95,079,529.0
- 18. Net Electrical Energy Generated (MWII) 429,142.0 2,654,555.0 92,214,683.0
- 19. Unit Service Factor 100.0 86.7 66.1
- 20. Unit Availability Factor 100.0 86.7 66.1
- 21. Unit Capacity Factor (Using MDC Net) 102.1 92.4 60.5
- 22. Unit Capacity Factor (Using DER Net) 94.1 85.1 58.8
- 23. Unit Forced Outage Rate 0.0 13.3 22.6
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):
- 25. If shutdown At End of Repon Period, Estimated Date of Startup:
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OPERATING DATA REPORT NINE MILE POINT UNIT 1 DOCKET NO.: 50-220 DATE:8/07/98 i
PREPARED BY D. E. Coleman TELEPilONE: (315) 349-2558 I
MONTil July 1998 l
t DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL l
(Mwe-Net)
(Mwe-Net) 1 585 17 573 2
588 18 576 3
586 19
.577 4
585 20 576 l
'5 583
- 21 576
.6-583 22 576 l
7 494 23 577 8
583 24 576 l
9-583 25 578 10. -
579 26 577 11 580 27 579 12 583 28 577 13 584 29 577 14 579 30 578 15 580 31 579 16 577 INSTRUCTIONS j
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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NIAGARA MOHAWK POWER CORPORATION l
NINE MILE POINT NUCLEAR STATION UNIT #1
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NARRATIVE OF OPERATING EXPERIENCE The plant operated during the month of July 1998 with a Unit Availability Factor of 100.0% and a Net Design Electrical Capacity Factor of 94.1%. Reductions in Capacity Factor were due to elevated lake temperatures and corresponding reductions in plant i
efficiency. On July 7,1998, the unit commenced a Technical Specification required
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shutdown due to a failed surveillance associated with reverse flow testing of a core spray keepfill supply check valve. The shutdown was terminated later that day upon successful re-performance of the surveillance.
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