ML20206G353

Monthly Operating Rept for Mar 1987

ML20206G353
Person / Time
Site:	Millstone
Issue date:	03/31/1987
From:	Newburgh G, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MP-10248, NUDOCS 8704140521
Download: ML20206G353 (6)

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- AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-245 UNIT Millstone 1 DATE 870403 COMPLETED BY G. Newburgh TELEPHONE (203)447-1791 Ext. 4400 MONTH March 1987 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 656 17 657 2 657 18 657-3 657 19 656 4 641 20 656 5 658 21 656 6 657 22 310 7 657 23 13 8 657 24 518 9 656 25 649 10 657 26 657 11 653 27 657 12 657 28 656 13 657 29 656 14 657 30 655 15 657 31 650 16 657 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. j ED K SO 45 1b  ;

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. OPERATING DATA REPORT DOCKET N0. 50-245 DATE 870403 COMPLETED BY G. Newburgh TELEPHONE (203)447-1791 Ext 4400

! OPERATING STATUS

1. Unit Name: Millstone 1 Notes

2. Reporting Period: March 1987

)t 3. Licensed Thermal Power (MWt): 2011

! 4. Nameplate Rating (Gross MWe): 662 j 5. Design Electrical Rating (Net MWe): 660 d

6. Maximum Dependable Capacity (Gross MWe): 684 l 7. Maximum Dependable Capacity (Net MWe): 654 i 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) i Since Last Report, Give Reasons:

< N/A 2

9. Power Level To Which Restricted, If Any (Net MWe): N/A

10. Reasons For Restrictions, If Any: N/A i

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 744 2160 143208

12. Number Of Hours Reactor Was Critical 725.6 2141.6 111496.9

, 13. Reactor Reserve Shutdown Hours 0 0 3283.3

14. Hours Generator On-Line 717 2133 108498.4 4

15. Unit Reserve Shutdown Hours 0 0 93.7

16. Gross Thermal Energy Generated (MWH) 1411200 4228508 200986581

17. Gross Elec. Energy Generated (MWH) 481500 1444100 67154596

18. Net Electrical Energy Generated (MWH) 460347 1380346 64518058

19. Unit Service Factor 96.4 98.8 75.8 l 20. Unit Availability Factor 96.4 98.8 75.8 4

21. Unit Capacity Factor (Using MDC Net) 94.6 97.7 68.9

, 22. Unit Capacity Factor (Using DER Net) 93.7 96.8 68.3 l 23. Unit Forced Outage Rate 3.6 1. 3 11.6

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

j Refueling Outage, June 1987, 8 week duration.

I 1 25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A l 26. Units In Test Status (Prior to Commercial Operation): Forecast Achieved l INITIAL CRITICALITY

! INITIAL ELECTRICITY N/A i j COMMERCIAL OPERATION

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50-245 DOCKET NO.

UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Millstone 1 .

DATE 870403 COMPLETED BY G. Newburgh REPORT MONTH March 1987 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 While operating at 50%

2 870322 F 27 H 3 87-007 N/A N/A power, a pressure oscillation in the Mechanical Pressure Regulator (MPR) System caused low main steam line pressure and a subsequent reactor scram and isolation.

Additional testing of the MPR system is planned

! to prevent recurrence.

1 2 3 4 F: Forced Reason: Method: Exhibit G - Instructions 5: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets 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-0ther (Explain) 6-Other (Explain)

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l REFUELING INFORMATION REQUEST ,

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1. Name of facility: Millstone 1 j 2. Scheduled date for next refueling shutdown: June 1987 1

j 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 Recarding:

) (1) Maximum Average Planar Linear Feat Generating Rate (2) Maximum Critical Power Ratio b r

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

5 Spring 1987

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

I new or different fuel design or supplier, unreviewed design or i performance analysis methods, significant changes in fuel design, j new operating procedures:

1 1 200 GE8B Fuel Assemblies 1

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

I (a) In Core: (a) 580 (b) 1536 ,

! 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

2184 Assemblies

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

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OPERATING DATA REPORT l DOCKET NO. 50-245 DATE 870302

COMPLETED BY G. Newburgh TELEPHONE (203)447-1791 Ext 4400 OPERATING STATUS

1. Unit Name: Millstone 1 Notes

• Revised

2. Reporting Period: February 1987

3. Licensed Thermal Power (MWt): 2011 Nameplate Rating (Gross We): 662 4.

5. Design Electrical Rating (Net MWe): 660 ,

6. Maximum Dependable Capacity (Gross We): 684

7. Maximum Dependable Capacity (Net We): 654  ;

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8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) l Since Last Report, Give Reasons:

i N/A

9. Power Level To Which Restricted, If Any (Net MWe): N/A i

{ 10. Reasons For Restrictions, If Any: N/A i

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l This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 672 1416 142464 j 12. Number Of Hours Reactor Was Critical 672 1416 110771.3 i 13. Reactor Reserve Shutdown Hours 0 0 3283.3 j 14. Hours Generator On-Line 672 1416 107781.4

! 15. Unit Reserve Shutdown Hours 0 0 93.7

{ 16. Gross Thermal Energy Generated (MWH) 1344256 2817308 "199575381 ,

1 17. Gross Elec. Energy Generated (MWH) 459800 962600 67154596 j 18. Net Electrical Energy Generated (MWH) 440205 919999 64057711 1 19. Unit Service Factor 100 100 75.7 4

20. Unit Availability Factor 100 100 75.7

21. Unit Capacity Factor (Using MDC Net) 100 99.3 68.8

22. Unit Capacity Factor (Using DER Net) 99.3 98.4 68.1

] 23. Unit Forced Outage Rate 0 0 11.7

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

! Refuelino Outage, June 1987, 8 week duration.

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25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A l j 26. Units In Test Status (Prior to Commercial Operation): Forecast Achieved l INITIAL CRITICALITY

.; INITIAL ELECTRICITY N/A i COMMERCIAL OPERATION I

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v P O. BOX 270 HARTFORD. CONNECTICUT 061410270 k k J 7.C'Id.$C.'.c72.

. (203) 665-5000 April 8, 1987 MP-10248 Re: 10CFR50.71(a)

U.S. Nuclear Regulatory Commission Document Control Desk 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 NUCLEAR ENERGY COMPANY b4fbacu Ste hen E. Scace Station Superintendent Millstone Nuclear Power Station SES/GSN:jlm

Enclosures:

(4) cc: Director, 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 1

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