ML20004F435
| ML20004F435 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 06/01/1981 |
| From: | Hunstad A NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML20004F428 | List: |
| References | |
| NUDOCS 8106180341 | |
| Download: ML20004F435 (8) | |
Text
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NARRATIVEShMMARYOFOPERATINGEXPERIENCE DOCKET NO. 50-282 UNIT Prairic Island No.1-DATE 810601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-1121 MONTH May 1981 The unit was base loaded this month; no shutdowns.
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SPENT FUEL STORAGE UPDATE S
Fuel assemblies in each core - 121 Fuel assemblies in the spent fuel storage pool - 401 g
5 Licensed spent fuel storage pool capacity - 1582*
l Date of last refueling-that can be discharged with present capacity - 1984 i
i
- NRC authorized an increase in spent fuel storage capacity from 687 to 1582 spaces on May 13, 1981, but the approval limited the number of i
C spent fuel assemblies which may be stored to 1120 until the heavy loads issue has been evaluated for Prairie Island. The capacity increase from 687 spaces to 1582 spaces through the installation of high density borated spent fuel racks is scheduled to be completed during the 4th quarter of 1981.
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8106180 MI
DAILY UNIT POWER OUTPUT DOCKET No. 50- 282 UNIT Prairie Island So.1 DATE 810601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-1121
~ MONTH hy 1981 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD MW-Net g'
1 500 17 497 ce 2
498 18 502 j
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3 498 19 497 e[
4 498 20 497 5
500-21 494 6
499 22 499-7 499 23 494
'8 498 24 498 9
500 25 498 10 503 26 500 11 501 27 456 12 501 28 497 13 498 29 500 14
'497 30 493 15 498 31 497 16 501 Average loads above 503 MWe-Net. are due to cooler condenser circulating water.
OPERATING DATA REPORT
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DOCKET NO 50 26?
DATE 810601 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-1121 t
1.
Unit Name:
Prairie Island No. 1 es 2.
Reporting Period:
May 1981 3.
Licensed Thermal Power (MWt):
1650 h
4.
Nameplate Rating (Gross MWe):
593 5.
Design Electrical Rating (Net MWe):
530 6.
Maximum Dependable Capacity (Gross MWe):
534 l
g 7.
Maximum Dependable Capacity (Net MWe):
503
{
g 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:
l Give Reason:
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9.
Power Level To Which Restricted, If Any (Net MWe):
o
. ' 10.
Reasons for Festrictions, If Any:
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This Month Yr-To-Date Cumulative 11.
Hours In Reporting Period 744 3623 65375 12.
Number Of Hours Reactor Was Critical 744.0 3623.0 51790.1 13.
Reactor Reserve Shutdown Hours.
0.0 0.0 5538.1 l
14.
Hours Generator On Line 744.0 3623.0 50613.6 15.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.
Gross Ther=al Energy Generated (MWH) 1216248 5909574 78630255 17.
Gross Electrical Energy Generated (MWH) 393470 1952950 25434460 __,
18.
Net Electrical Energy Generated (MWH)
__3F3717 1837801 23783408 19.
Unit Service Factor 100.0 100.0 77.4 20.
Unit Availability Factor 100.0 100.0 77.4 21.
Unit Capacity Factor (Using MDC Net) 98.8 100.8 72.3 22.
Unit Capacity Factor (Using DER Net) 41.R 9 5. Z__
68.6 23.
Unic Forced Outage Rate 0.0 0.0 11.4 24.
Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):
2;f;;1in;, ?^;t" '"" 1981. ^
""k" 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:
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NARRATIVE S N I 0F OPERATING EXPERIENCE DOCKET NO. 50- 306 UNIT Prairie Island No. 2 DATE 810601 l
COMPLETED BY A. A. Hunstad i
r TELEPHONE 612-388-1121 I
HONTH hv 1981 I
I i
The unit was base loaded this month. A trip occurred at 1432 on i
k 5-16 when two control roda dropped while troubleshooting the rod m:
control system. The system was repaired and the unit returned e'
to service at 2154 the same day.
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DAILY UNIT POWER OUTPb7 DOCKET NO. 50-306 UNIT Prairie Island No. 2 DATE 810601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-1121 MONTH May 1981 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net s
>]
1 501 17 418 m
2 490 18 496 j
~
3 495 19 490 e
s 5
4 494 20 466 5
498 21 494 6
498 22 493 f
7 498 23 492 8
496 24 497 9
447 25 497 l
10 503 26 497 11 502 27 495 12 503 28 498 13 499 29 493 14 498 30 497 i
15 499 31 497 16 307 j
i Average loads above 500 MWe-Net are due to cooler condenser circulating water.
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OPERATING DATA REPORT DOCKET NO 50 306 DATE 810601 COMPLETED BY A.
A.
Munnend OPERATING STATUS TELEPHONE 612-388-1121 1.
Unit Name:
Prairie Island No. 2 ces 2.
Reporting Period:
May 1981 3.
License'd Thermal Power (MWt):
1650 4.
Nameplate Rating (Gross MWe):
593 5.
Design Electrical Eating (Net MWe):
530 6.
Maximum Dependable Capacity (Gross MWe): 531 g
7.
Maximum Dependable Capacity (Net MWe):
500 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:
g E
Give Reason:
$[
9.
Power Level To khich Restricted, If Any (Net MWe):
oz 10.
Reasons for Restrictions, If Any:
(
This Month Yr-To-Date Cumulative 11.
Hours In Reporting Period 744 3623 56223 12.
Number Of Hours Reactor Was Critical 738.2 2514.9 48896.7 13.
Reactor Reserve Shutdown Hours 0.0 0.0 1508.0 14.
Hours Generator On Line 736.6 2477.7 48048.6 15.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.
Gross Thermal Energy Generated (MWH) 1195381 3977473 75076463
~17.
Gross Electrical Energy Generated (MWH) 384770 1288670 24047610 18.
Net Electrical Energy Generated (MWH) 361130 1206823 22514726 19.
Unit Service Factor 99.0 68.4 85.5 20.
Unit Availability. Factor 99.0 68.4 85.5 21.
Unit Capacity Factor (Using MDC Net) 97.1 66.6 80.1 22.
Unit Capacity Factor (Using DER Net) 91.6 62.8 75.6 23.
Unit Forced Outage Rate 1.0 1.3 4.1 24.
Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):
A-
,,,,,,34, Sprir.g 1982, 6 weeks 25.
If Shut Down at End Of Report Period, Estimated Date of Startup:
e UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-306 REPORT MONTil May J 81 DATE _ 810601 COMPI,ETED BY TELEP110NE 612-388 1121 4
u ec%
Licensee Cause & Corrective a
c:
n u
Date E.
3O 30 Event 0m Action to
+
N N$
3 I$ E Report #
E, O 8E Prevent Recurrence YS
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O 810516 F
7.4 A
3 N/A N/A N/A Trip when tua control rods dropped during troubleshooting of the rod
@i control system.
$n F: Forced Reason Method:
Exhibit G-In-S: Scheduled A-Fquipment Failure (Explain) 1-Manual structions for B-Maintenance or Test 2-Manual Trip Preparation of C-Refueling 3-Automatic Trip Data Entry Sheets D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination Report (LER) File F-Administrative (NUREG-0161)
G-Operatlonal Error (Explain) li-Other (Explain Exhibit 1 - Same Source
-