ML20128C590

From kanterella
Jump to navigation Jump to search
Monthly Operating Rept for Apr 1978 for Monticello Nuclear Generating Plant
ML20128C590
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 04/30/1978
From: Mayer L, Myrabo A
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF ADMINISTRATION (ADM)
References
NUDOCS 9212040479
Download: ML20128C590 (5)


Text

E3OLAT05., DDCKET F.i CO?Y

, c NSRs PD NORTHERH STATES POWER COMPANY

-, ~ ~....... _, ~ ~.........,

h f

m May 9, 1978 k

Director, Office of Management Og Information & Program Control

.g~y.

,rg ;

g c::y c/o Distribution Services Branch, DDC, ADM U S Nuclear Regulatory Cor:rnission y

5'8 y

C Washington, DC 20555 g

V w

Dear Sir:

MONTICELLO NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report April 1978 Attached are two copies of the Monthly Operating Report for April, 1978 for the Monticello Nuclear Generating Plant.

Yours very truly, L 0 Mayer, PE Manager of Nuclear Support Services LOM/ak cc: Director, IE-III, USNRC (1)

Director, IE, USNRC (c/o DSB) (10)

MPCA Attn: J W Ferman 1

l 9

o 781310039 1 ngh 9212040479 780430

-I PDR ADOCK 05000263 R

PDR

NARRATIVE SlMMRY OF OPERATING EXPERIENG DOCKET NO.

50-263 (NIT Fbnticello DATE 5/2/78 C0hPLETED BY A. L. htvrabo TELEPHONE 612/295-5151 hDNIll April 4/1/78 to Operated at essentially 100% of rated power.

4/24/78 4/25/78 Orderly shutdown to upgrade low voltage safety-related to interior drywell penetration splices, and perform rod se-4/27/78 quence exchange.

4/28/78 to Increasing to 100% power.

4/30/78

'l 4

t 4

4 OPERATING DATA REPORT DOCKET No.

50-263__

i DATE 05/02/78 COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 OPERATING STATUS

Notes 1
l. Unit Name

_Monticello I

April

2. Reportino Period's
3. Licensed Thermal Power (Mdt):

1670 4

Nameplate Rating (Gross MWe):

569

5. Design Electrical Rating (Net MWe):

_545.4 i

6. Maximum Dependable Capacity (Gross MNe): __564
7. Maximum Dependeble Capacity (Net MWe):

_536

__l

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

9 Power Level To Which Restricted. If Any (Net MWe): __N/A_

10. Reasons For Restrictions; If Anv

__N/A i

i This Month Yr.-to-Date' Cumulative 4

~

II. Hours In Reporting Period 719 2879 59904

12. Number Of Hours Reactor Was Critical

___ 673.4

_ _ f805.6 47974.0

' O.0 0.0 940.7

13. Reactor Reserve Shutdown Hours
14. Hours Generator On-Line 657.5 2775.8 46553.2
15. Unit Reserve Shutdown Hours 0.0 0.0

__0.0

16. Gross. Thermal Energy Generated (MWH)

_1048937

__4484379

__78138953

17. Gross Electrical Energy Generated (MWH) __357520

__l533930

__23906620

18. Net Electrical Energy Generated (MnH)

_344154

__1477948

_22854322

19. Unit Service Factor

_ 91.6%

___. 96.5%

___ 77.7%

20. Unit Availability Factor

__ 91.6%

96.5%

.77.7%

21. Unit Capacity Factor (Using MDC_ Net)

__ 89.3%

_ _ 95.8%

___ 71.2%

22. Unit Capacity Factor (Usina DER Net)

._ 87.8%

___ 94.1%

___ 7J.0%

23. Unit Forced Outage Rate 0.0%

_0.4%

___7.6%

24 Shutdowns Scheduled Over Next 12 Months (fype, Date, and Duration of Each)

Refuelino Outage, October 16, 1978. 40 days

25. If -Shut Down At End Of Report Period. Estimated Date of Startup __N/A_
26. Units In Test Status (Prior to Comercial Operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

d 1

4, 1

i i

AVERAGE DAILY UNIT PonER LEVEL i

i DOCKET NO.-

50-263__

j UNIT Monticello__

DATE 05-02-78 l

COMPLETED BY A. L. Myrabo

~

TELEPHONE 612/295-bl51 i

l MONTH

__ APRIL DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY PohER LEVEL 4

(MAe-Net)

(MWe-Net) 1 518_____

17

__551_

2 547_____

18 551 3

549_ _

19

__550_

l 4

550 20 548____

5 547 21 550__

f 6

-_551__

22 496 j

7 555 23 547 i

8

__________546__

24

_ _ _550_

i 9

526 25-

- 399_

-4_

10 550_____

26-

-27

-5_

i1 549 12

__551__

28 116 i

I3 549____

29 354 14 548

_30 422_

15 528 31 16 551 I

i INSTRUCTIONS l

On this format. list the average-dsilv unit power level in Mde-Net for each I

day in the reportino month.

Compute to the nearest whole meaawatt.

_ _ _ _ _ _. _ __ _. ~._.

L '..

l N

DOCKET NO.

50-263 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Mnntite11n y

DATE 5/2/78 f

COMPLETED BY-AL nernhn TELEPHONE 612/29$-5151 REPORT MONTH APRIL t

~k 3g 3

Yk Licensee.

j r, h%

Cause & Corrective I

No.

Date 3

3g

(

jj5 Event E'

5' Action to

$~

5 5 ;j, =t Report :

'N V 5'

Prevent Recurrence u

5 1'

780425 S

60.5 11

'l N/A SA Penetr Upgraded low voltage safety-related interior drywell penetration splices.

?

i I

5 I

i 1

2 3

4 I

F: Forced Reason:

Method:

Ex1ubit G-Instructions for Preparation of Data S: Scheduled A. Equipment Failure (Explain) 1-Manual Entry Sheets for txensee B Maintenance of Test -

2-Manual Seram.

C. Refueling 3-Automatic Scram.

Event Report (LER) File tNOREG.

D Regulatory Restriction 4-Other (E xplain) 0161) 4 E Operator Training & License Examination 5

F-Administrative Exhibit I - Same Sauru G-Operational Estor (Esplain t (9/77) llother (Explain) f f

4 r