ML20042G961

Monthly Operating Rept for Apr 1990 for Maine Yankee Atomic Power Station

ML20042G961
Person / Time
Site:	Maine Yankee
Issue date:	04/30/1990
From:	Arnold J, Nichols S Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MN-90-49, SEN-90-144, NUDOCS 9005160339
Download: ML20042G961 (6)

Text

i I

l MaineYankee I1ELIABLE ELECTRICITY FOR MAINE SINCE 1972 EDISON DRIVE. AUGUSTA. MMNE 04330.(207) 622-4868 May 10, 1990 MN-90-49 SEN-90-144 UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Washington, DC 20555

References:

(a)

License No. DPR-36 (Docket No. 50-309)

(b) NUREG-0020, Licensed Operating Reactor Status Summary Report

Subject:

Maine Yankee Monthly Statistic.I Report Gentlemen:

Enclosed please find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for April 1990.

Please contact me should you have further questions.

Very truly yours,

$b S. E. Nichols Licensing Section Head i

SEN:SJJ Enclosure c:

Mr. Thomas T. Martin Mr. Eric J. Leeds Mr. Cornelius F. Holden SEN90144.LTR 9005160339 900430

{DR ADOCK 0500 9

[

llt I

~_..

~.

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

!.J:

e.

y j

g-a i

t f

I a

!l

- t

\\'

i l-i l

Maine gankee i

i l-

\\

l..

t i

+

i

+

i I

T 1

i-Monthly S t a t i sa t i c a l Report For April 199C l

.-l li

{

I L.

i i

k j

~

I i

n

• r....._,...'.~.

,.m.

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

^

_...,.r.y.,

/

LOPERATING DATA REPORT Dockst'ND.t' 50-309 Dnto3

=10/Mny/90' y

Completed By:

-J. H.-ARNOLD

' Telephone:

207-622-4868 1.

Unit Name.......................................

Maine Yankee

-2.-Reporting Period................................

Anrdi 1990 3.

Licenaed Thermal Power (MWt)....

4 2700 4.. Nameplate Rating (Gross MWe)....................

890 5.: Design Electrical Rating (Net MWe)..............

840

'6.

Maximum Dependable Capacity (Grosa MWe)L.........

870 7.

Mcximum Dependable Capacity (Net MWe)...........

830 8.-If Changes in capacity Ratings (Items Number 3-7)

Since Laat Report,;Give Reasona:

3

,NO CHANGES 9.3 Power Level'to WhichERestricted, if Any (Net MWe)

(10e Reasons for Restrictionc, if Any:

m l

THIG MONTH YEAR-TO-DATE CUMULATIVE

11. Houra In Reporting Period 719.00 2,879.00

12. Number of Houra Recctor

[

War Critical...........

143.80' 2,303.80 123,316.78

13. Reactor Reserve Shutdown Hours..................

0.00 0.00 0.00 1

14. Houre Generator on-line..

143.00 2,295.90 119,968.33 1

15. Unit Reserve Shutdown Hours..................

0.00

-0.00 0.00-

- j "16.

Grosa Thermal Energy t

Generated (MWH)........

345,968.00 5,895,101.'00 278.107,702.00 1

17. Grosa Electrical' Energy i

Generated (MWH)........

114,430.00 1, 9 8 0, 5 5 0 ~. 0 0 91,244,760.00

.18.

Net Electrical Energy

,(

Generated (MWH)........

110,467.00 1,917,707.00 87,347,587.00

'I

19. Unit Serv 2ce Factor......

19.89 79.75 78.37 1

20. Unit Availabilty Factor..

19.89 79.75 78.37 j

El. Unit Capacity Factor (Using MDC Net)........

18.51 80.25 71.71

22. Unit Capacity Factor

-(Using DER Net)........

18.29 79.30

-69.98 I

23. Unit Forced Outage Rate..

0.00 0.31-6.87 i

24.' Shutdowns Scheduled Over Next 6 Months j

Date Type Duration 4/07/90 Refuelino Ten-weeke

25. If' Shutdown at End of Report Period, Estimated Date of Startup 6/16/90 b

i N

1 1

0

P h.

'Dockst:Not 50-309

[

i Unit Names Maine' Yankee Date -

04-13-90

~

Completed Byt J.H.-Arnold Telephone 207-622-4868.

5 Report-Month's. April, 1990

-NARRATIVE

SUMMARY

OF OPERATING. EXPERIENCES-i

~

-At/the bnginning of the: month the unit was at full coastdown power. aOn

' April 7th the unit-.was shut down for refueling.-

The unit remained shut

-down:-for the rest of the~ month..

Y h

f I

e b

s l

i-

+

f 1

t l'

rVERAGE. DAILY UNIT POWER LEVEL

'FOR,' APRIL 1990 Docket'No.:-

'50 309 Unit Maine Yankee-Dates 707/May/90 Completed By:

J.- H. ARNOLD' Telephone:

207-622-4868 P

4 l0y.

Avg. D.tily Power Level D.a y Avg. Daily Power. Level (MWe-Net)

(MWe-Net) 0 l

1.

798-16' s

-O' 7'j 2

794 17 3"

790-

.18

-0 4

786-19 0

4 5 ~.

780 20 0

r

0' 6

689 21

................4

.7 0

22 OL 0;

8 0-23

-9 0

24 0

1 30 0

25 0

31 0

26 0

$2

.0 27

.............>.1......

,0 33 0

28 0

$4-0 29 O'

1

$5 0

30 0-i t

+

i

i:

4-ILo*'tJNIT SHUTDOWNS.AND POWER REDUCTIONS.

Dockct' No,s-50-.309J h- -

• - e,-

• FOR APRIL-1990 Un.i t :

nMeino,Ycnkap

. Dat e t 07/May/90 Completed.By:

J..H.. ARNOLD-Telephone:

'207-622-4868 Pages:

l1 of 1

-:Nu2bar-01-90-11 j

j ___

' Dots 900407 y

y y.

h*

h

' Typo't1)

S i

i I

Durction (Houra)

-576

~.Rheron (2)

C l

fl M:thod (3)

I f,

h

.LER'#.

N/A

Syctsm I

C:dn (4)

ZZ l

l

~-~~ f ~

~~

~

Cods (5)

Z2.ZZZZ l

l

~

l Shut down-for re-fueling.

iCouce and j

Corrective

' Action l

..f

.l

=

1.: TYPE:

2.

REASON: (cont)

4. SYSTEM CODE:

(F)orced F-Administrative Exhibit G-Instructions 5

(S)cheduled G-Operational Error for Preparation'of' Data i

H-Other (Explain)

Entry Sheets for 2.

REASON Licensee. Event' Report

-A-Equipment Failure 3.

METHOD:

(LER) File (NUREG.0161)

B-Maintenance or Test 1-Manual j

C-R2 fueling 2-Manual Scram

5. COMPONENT CODE:

j

-D-Rcqulatory Restriction 3-Automatic Scram Exhibit I-Same'nource

.E-Oparator Training &

4-Other (Explain) as above.

i

~

License Examination

1 l

i i