Text

Monthly Operating Rept for Apr 1991 for Seabrook Station Unit 1
	ML20077C444
Person / Time
Site:	Seabrook
Issue date:	04/30/1991
From:	Feigenbaum T, Nardone P; PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	NYN-91077, NUDOCS 9105210416
	Download: ML20077C444 (6)
	v • d • e

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New Hampshire

. Yankee fed C. Feigern oum Ch;ef he vi,,e of f aer NYN 91077 May 14,1991 United $tates Nuclear llegulatory Commission Washington, DC 20555 Attention:

Docurnent Control Desk flefe re nce:

I acility Operating License NPF Xr., Docket No, 50 443

Subject:

Monthly Operating iteport Gentlemen:

linclosed please find Monthly Opc*ating iteport 9104. This report addreues the operating and shutdown experience relating to Scabrook Station Unit 1 for the month of A pril, 1991 and is submitted in accordance with the requirements of Seabrook Station Technical Specification 6.S,1.5.

Very truly yours, f/W Ted C. Feigenbaum linclosure(s)

TCF:WJT/ tad cc:

Mr. Thomas T. Martin llegional Administrator United States Nuclear llegulatory Commission llegion 1 475 Allendale Itond King of Prussia, PA 19406 Mr. Gord. a ti, IIdison, hr, Project Manager Project F.rectoiate 13 Division of iteactor Projects

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U.S. Nuclear llegulatory Commission Washington, DC 20555 Me, Noel Dudley NI(C Senior Itesident inspector i

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Seabrook, Nil 03874 910'3210416 410430 PDR ADOCJ : 05,000443 R

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I New Hampshire Yankee Division of Public Service Company of New Hampshire 7

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P.O. Box 300

Seabrwk, NH 03874 + Telephone (603) 47&9521 L

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New liarupshire Yankee May 14,1991

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OPERATING DATA REPORT 9

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DOCKET NO.

50:345

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UNIT,,Jasbrook 1 l

DATE 05/14/91 I

COMPLM ED BY P. Nardone j

TELEPHONE 1103) 474-9521 (Ext. 4074) l 4

i OPERATING STATUS j

1.

Unit Matte:

Sentrook Station Unit 1 l

2 Reporting Period APRIL 1991 3.

Licensed Thermal Power (HWL)t 3411 4.

Har.splate Rating (Gross HWe):

1197 Design Electrical Rating (Net MWe):

1148

-6.

Maximum Dependable Capacity (Gross HWe):

1200 7.

Maximum Dependable Capacity (Net HWe):

1150 8.

If Changes occur in Capacity Ratings (Items Number 3 Through 7)

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Since Last Report. Cive Reasons:

Not Applicable 9.

Power Level To Which Restricted, If Any:

None I

10. Reasons For Restrictions, If Any

- Not Applic,able f

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 719,0 2879.0 30768.0

12. Number of Hours Reactor Was Jritical 606,4 2706.2 8425 1

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13. Reactor Reserve Shutdown Hours 0,0 0.0 953,3

14. Hours Generator On-Line

$89.5 2677.6 6805.0

15. Unit Reserve Shutdown Hours 0,0 0.0 0.0 1

16. Gross Thermal Energy Generated (HWH) 1936043 8497266 21097591

17. Gross Elec. Energy Generated (HWH) 674210 2958843 7230761

18. Net Electrical Energy Generated (HVH) 647790 2837235 6931233

19. Unit Service Factor 82,0 93.0 89.0

20. Unit Availability Factor 82,0 93.0 89,0

21. Unit _ Capacity Factor (Using HDC Net) 78,3 85.7 84.0_

22. Unit Capacity Factor (Using DER Net) 78.5 85-8 84,1

23. Unit Forced Outage Rate 18.0 7,0 11,0

24. Shutdowns Scheduled Over Next 6 Honths (Type. Date, and Duration of Each):

REFUELING. 07/27/91. 67 DAYD

25. If Shut Down At End Of Report Period. Estimated Date Of Startupt Not Applicable

NOTE s - Values based on accumulated hours starting 08/19/90, date Regular Full Power Operation began.

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AVERACE DA!LY UNIT POWER LEVEL DOCRET NO.

$0-443 e

UNIT Srabrook 1 l

DATE 05/14/91 I

COMPLETED BY P. Hardone TELEPil0NE (603) 474-95?1 i

(Ext. 4074)

I MONTil APRIL. 1991 I

1 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL j

DNe-He t )

(MWe.lle t )

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1 0

16 1146 2

0 17 114$

I 3

0 18 1145 4

0 19 1146 i

5 0

20 1146 6-15$

21 1147 7

837 22 1148 8

1146 23 1148 9

1139 24

_,1148 10 1022 25 1147 l

11 1000 26 1147 I

12 1116 27 1148 13 1118 20 1146 l

14-1146 29 1146 15 1146 30 1147 i

l IllSTRUCTIONS On this f ormat. list the average daily unit power lev.1 in MWe Net for each day in the reporting month. Compute-to the nearest whole megawatt.

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1 DOCKET NO.

$0-443 j

4 UNIT Seabrook 1

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DATE 05/14/91 COMPLETED BY P. Hardone __

j TELEPHONE (603) 474-95?1 1

(Ext. 4074)_

REFUELING INFORMATION RFM fil l

1. Name of facility:

Seabrcok Unit 1 i

2. $cheduled date for next refueling shutdown:

07/27/91 I

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3. Scheduled date for restart following refuelings 10/02/91

4. Will refueling or resumption of operation thereaf ter require a technical specification change or other license amendment?

Yes, the removal of the Residual Heat Removal System Autoclosure Interlock

5. Scheduled date(s) for submitting licensing action and supporting

-information:

New Hamp hire Yankee Letter NYN-91011. submitted on January 24. 1991

6. Important licensing considerations associated with refueling, e.g..

new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures None i

7. The number of fuel assemblies (a) in the core and (b) in the spent iuel storage pool:

(a)

In Core:

193 (b) 0

8. The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:

Present licensed capacity:

1236 No increase in storage capacity requested or planned, i

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- 9. The projected date of.the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity Licensed capacity of 1236 fuel assemblies based-on sixteen annual refuelings and-full core offload capability.

The current licensed capacity is adequate until at least the year 2007.

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ML20077C444

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