ML20205D557

Monthly Operating Rept for May 1986

ML20205D557
Person / Time
Site:	Millstone
Issue date:	05/31/1986
From:	Newburgh G, Romberg W NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
MP-9175, NUDOCS 8608180081
Download: ML20205D557 (5)

Text

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-245 UNIT Millstone 1 DATE 860609 COMPLETED BY G. Newburgh TELEPHONE (203) 447-1791 Ext. 4400 MONTH May 1986 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 656 17 658 2 659 18 658 3 660 19 655 4 660 20 616 5 659 21 12 6 659 22 q.

7 657 23 0 8 604 24 0 9 659 25 0 10 659 26 0 11 659 27 9 12 659 28 42 13 660 29 538 14 659 30 647 _

15 658 31 654 16 658 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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I OPERATING DATA REPORT DOCKET NO. 50-245 DATE 860609 COMPLETED BY G. Newburgh TELEPHONE (203) 447-1791 Ext. 4400 OPERATING STATUS

1. Unit Name: Millstone Unit 1 Notes

2. Reporting Period: May 1986

3. Licensed Thermal Power (MWt): 2011

4. Nameplate Rating (Gross MWe): 662

5. Design Electrical Rating (Net MWe): 660

6. Maximum Dependable Capacity (Gross MWe): 684

7. Maximum Dependable Capacity (Net MWe): 654

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7)

Since Last Report, Give Reasons:

N/A

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 744 3624 135912

12. Number Of Hours Reactor Was Critical 595.1 3440.4 104519.2

13. Reactor Reserve Shutdown Hours 148.9 148.9 2983.4

14. Hours Generator On-Line 560.3 3399 101588.2

15. Unit Reserve Shutdown Hours 183.7 183.7 277.4

16. Gross Thermal Energy Generated (MWH) 1103120 6739773 187353971

17. Gross Elec. Energy Generated (MWH) 375400 2307900 63009196

18. Net Electrical Energy Generated (MWH) 359806 2208825 60098597

19. Unit Service Factor 75.3 93.8 74.7

20. Unit Availability Factor 100.0 98.9 74.9

21. Unit Capacity Factor (Using MDC Net) 73.9 93.2 67.6

22. Unit Capacity Factor (Using DER Net) 73.3 92.3 _

67.0

23. Unit Forced Outage Rate 0 1.2 12.0

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

N/A

25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A

26. Units In Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY N/A COMMERCIAL OPERATION

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DOCKET NO. 50-245 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Millstone 1 DATE 860609 COMPLETED BY G. Newburgh REPORT MONTH May 1986 TELEPHONE (203) 447-1791 Ext. 4400 l 2 No. Date Type Duration Reason Method of Licensee Systeg Compogent Cause & Corrective (Hours) Shutting 3 Event Code Code Action to Down Reactor Report # Prevent Recurrence 3 850521 S 183.7 8 6 86-017 N/A N/A While manually shutting down the reactor, to perform a turbine inspection, a manual scram was initiated when pressure began to oscillate due to a malfunction in the mechanical pressure regulator (MPR) system.

Maintenance was performed on the MPR and additional testing is planned to prevent recurrence.

1 2 3 4 F: Forcet Reason: Method: Exhibit G - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheels for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continued from (NUREG-0161)

E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction 5 G-Operational Error (Explain) (Duration = 0) Exhibit 1 - Same Source H-Other (Explain) 6-Other (Explain) e uk --

REFUELING INFORMATION REQUEST

1. Name of facility: Millstone 1

2. Scheduled date for next refueling shutdown: May 1987

3. Schedule date for restart following refueling: August 1987

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

Yes, Technical Specification Changes Regarding:

(1) Maximum Average Planar Linear Heat Generating Rate (2) Maximum Critical Power Ratio

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

Spring 1986

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:

200 GE8B Fuel Assemblies

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

(a) In Core: (a) 580 (b) 1546

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

2184 Assemblies i

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

1987, Spent Fuel Pool Full Core Off Load Capability is Reached.

1991, Core Full, Spent Fuel Pool Contains 2146 Bundles.

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. - General Offices

• Selden Street, Berlin, Connecticut I snY res$sNco. " P.O. BOX 270

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(203) 666-6911 June 13, 1986 MP-9175 Director, Office of Resource Management U. S. Nuclear Regulatory Comuission Washington, D. C. 20555

Reference:

Provisional License DPR-21 Docket No. 50-245

Dear Sir:

In accordance with Millstone Unit 1 Technical Specification 6.9.1.6, the following monthly operating data report for Millstone Unit 1 is enclosed. One additional copy of the report is enclosed.

Very truly yours, NORTHEAST Nt: LEAR ENERGY COMPANY W. D. Romb Station Superintendent Millstone Nuclear Power Station ,

l WDR/GSN:jlc

Enclosures:

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cc: Regional Administrator, Office of Inspection and Enforcement, Region I Director, Office of Inspection and Enforcement, Washington, D. C. (10)

U. S. Nuclear Regulatory Commission, c/o Document Management Branch, Washington, D.C. 20555 vb

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