ML20081M606

Monthly Operating Rept for June 1991 for Millstone Unit 3.W/

ML20081M606
Person / Time
Site:	Millstone
Issue date:	06/30/1991
From:	Elms A, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MP-91-552, NUDOCS 9107100051
Download: ML20081M606 (5)

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Re: 10CFR50.71(a)

July 5, 1991 i '

MP-91-552 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555;

Reference:

Facility Operating License No. NPF-49 Docket No. 50-423

Dear Sir:

In accordance with reporting requirements of technical specifications Section 6.9.1.5, the Millstone Nuclear Power Station - Unit 3 Monthly Operatmg Report 91-07 covering opera-tion for the month of June is hereby forwarded.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY FOR: Stephen E. Scace Director, Millstone Station BY:

'+/ws Ahn S. Kee , n ut n iillstone Unit 2 Director Attachment

cc: T.T. Martin, Region I Admir.istrator

- W.J. Raymond, Senior Resident inspector, Millstone Unit Nos.1,2 & 3 D. H. Jaffe, NRC Project Manager, Millstone Unit No.1 and 3 l

qt 9107100051 910630 / gf

- DR ADOCK 0500g 3

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• • • "" NRC OPERATING STATUS REPORT COMPLETED BY REACTOR ENGINEERING **"*"

1.~ DOCKET....'.50+423 OPERATlWG STATUS

- 2. REPORTING PERl(D... JUNE 1991 CUTAGE + ONLINE N0llRS.. 137.8 + $82.2 = 720.0

3. UT I L IT T CONT ACT . . . . . . . . . . . . . . . . . A. L . E t na 203 444 5388 * * " " " * " "

4. L I CE N SED T HERMAL P0WE R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3411

• MILLSTONE *

5. WAMEPLATE RAflWG (GROSS MWE)................................... 1,253 MW

• UNIT 3 *

6. DESIGN ELECTRICAL RATING (NET MWE)............................. 1,153.6 **"""""*

7. MAXIMUM DEPENDABLE CAPACITY (G403S MWE)........................ 1,184.2

8. MAXIMUM DEPENDABLE CAPACITT (NET MWE ) . . . . . . . . . . . . . . . . . . . . . . . . . . 1,137.0

9. IF CHANGES OCCUR ABOVE $1NCE LAST REPORT, REASONS ARE...........

N/A-

10. POWEP. LEVEL TO WHICH RESTRICTED, I F ANY (WET WE). . .. . . . . .. . . .. .N/A

11. REASON FOR RESTRICTION, IF ANV....N/A MONTN YEAR TO DATE CUMULATIVE TO DATE

, 12. HOURS IN REPORTING PERIOD 720.0 4,343.0 45,479.0

13. NUMBER OF HOURS THE REACTOR WAS CRITICAL 603.8 2,366.0 35,951.1

14. REACTOR RESERVE SHUTDOWN HOURS 116.2 288.7 1,817.6

15. HOURS GENERATOR ONLlWE 582.2 2,259.0 35,224.5

16. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

'17. GROSS THERMAL f#ERGY GENERATED (MWH) 1,929,096.0 6,866,428.0 114,931,-40.0 c

18.' GROSS ELECTRICAL ENERGY GENERATED ( WH) -665,134.5 2,350,026.0 39,659,002.5;

.19. NET.. ELECTRICAL ENERGY GiNERATED (MWN) 632,734.3 2,211,117.6 37,784,727.1

20. UNIT SERVICE FACTOR 80.9 52.0 77.5 21.' UNIT AVAILABILITY FACTOR 80.9 52.0 77.5

22. UNIT. CAPACITY FACTOR (USING MOC NET) 77.3 44.8 72.9

23. UNIT. CAPACITY FACTOR (USING DER NET) 76.2 '44.1 72.0.

U, 24. UNIT FORCED OUTAGE RATE- 19.1 12.6 10.0

~

l. 25. UNIT FORMD OUTAGE MCURS - 137.8 326.9 3,905.4 l

j SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, AND DURATION OF E ACN).... ..... ... ..

N/A IF CURRENTLY SHUTBOWN, ESTIMA1ED STARTUP DATE......N/A l I

4 AVERAGE DAILY UNrr POWER LEVEL DOCKET NO. 50-423 UNIT MILLSTONE UNIT.]

DATE Julv L 1991.

COMPLETED BY A. L Elms 20t444-53M MONTH June 1991 DAY AVERAGEIl v POWER L.EVEL DAY AVERAGE DAILY POWER LEVEL U (MWE NL'T) (MWE - NET) 1 1139 16 920 2 1137 17 1128 3 1133 18 1130 4 1132 19 1131 5 1133 20 1126 6 1132 21 1142 7 1134 22 1110 8 1131 23 1098 9 526 24 1142 10 0 25 1134 11 0 26 1133 12 0 21 1090 _

13 0 28 1133 . _ _

14 0 29 1131 15 259 30 1132

DOCKET NO. 50-423 UNIT SHUT 0 OWNS AND POWER REDUCTIONS UNIT NAME MILLS"ONE 3 DATE 7-2-9..

COMPLETED BY A. L. Elns TELEPHONE (203) 444-5388 Type Dura- Reason Method of Licensee System Component Cause and Corrective No. Date Event Code Code Action to Prevent (1) tion (2) Shut down Prevent Recurrence Hours Reactor (3) Rept No.

91-014-00 FK RI.Y Turbine and reactor trip 91-02 6/9/91 F 137.8 A 3 caused by inoperable switchyard relay due to a broken restraint tab.

Relay was repaired.

Refer to LER for further corrective action.

1: F: Forced 2: Reasons: 3: Method 4: Exhibit G - Instructions for Preparation of Data S: Scheduled A-Equipment Failure (Explain) 1-Manual 2-Manual Scram EntW Sheets for Lic9nsee B-Maintenance or Test 3-Automatic Scram Event Report (LER) File C-Refueling D-RegulatoW R9striction 4-Continued from previous month (NUREG-0161) l E-Operator Training & License Exam 5-Power Peduction 5: Exhibit 1 - Same Source F-Administrative (Duration =0 G-Operational Error (Explain) 9-Other (Explain))

H-Other

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. REFUELING INFORMATION REOUEST June 1991

1. Name of facility: Millstone 32

2. Scheduled date for next refueling shutdown: November 7.1992 l

3. Scheduled date for restart following refueling: January 2.1993 4, Will refueling or resumption of operation thereafter require a technical specification change or other license amendments?

Ulb

5. Scheduled date for submitting licensing action and supporting information.

Ulh

6. Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design of performance analysis methods, signifi-cant changes in fuel design, new operating procedures:

Ulh

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

(a): 193 (b): 248

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 size - 756.

No increase reauestec,L

9. The projected date of the last refueling that can be discharged to the spent fuel pool annmmg the present licensed capacity:

End of_ cycle 5, L

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