ML051290441

April 2005 Monthly Operating Report for Grand Gulf Nuclear Station Unit 1

ML051290441
Person / Time
Site:	Grand Gulf
Issue date:	05/09/2005
From:	Bottemiller C Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GNR0-2005/00028
Download: ML051290441 (5)

Text

GNR0-2005/00028 May 9,2005 US. Nuclear Regulatory Commission A~ention: Document Control Desk W ~ ~ h ~ n ~ t o ~,

D.C. 28555-0001

Subject:

Monthly Operating Report Grand Gulf Nuclear Station License No. NPF-29 Docket NO. 50-416

Dear Sir or Madam:

In accordance with the requirement of Technical Specification 5.6.4, Entergy Operations, Inc. is providing the ~onthly Operating Report ~

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for Grand Gulf Nuclear Station Unit 1 for April 2005.

This letter does not contain any commitments.

if you have any ~uesti~ns or require additional information, piease coniad this Office.

Yours truly, CA~/A~T:amt attachments:

1. Operating Status

2. Average Daily Power Level

3. Unit Shutdown and Power Reductions cc:

(See Next Page)

~050028

GN RO-2005/00028 Page 2 of 2 cc:

NRC Senior Resident Inspector Grand Gulf Nuclear Station Port Gibson, MS 391 50 US. Nuclear Regulatory Commission ATTN: Dr. Bruce S. Mallett (w/2)

Regional Administrator, Region IV 61 1 Ryan Plaza Drive, Suite 400 Arlington, TX 7601 1-4005 U.S. Nuclear Regulatory Commission ATTN: Mr. Bhalchandra Vaidya, NRR/DLPM (WE)

ATTN: ADDRESSEE ONLY ATTN: U.S. Postal Delivery Address Only Mail Stop OWFN/7D-1 Washington, D.C. 20555-0001 Mr. D. E. Levanway (Wise Carter)

Mr. L. J. Smith (Wise Carter)

Mr. N. S. Reynolds Mr. J. N. Compton GO50028 to GNRO-2005/00028 DOCKET NO 50-4 16 DATE 05/03/2005 COMPLETED BY J. Charboneau TELEPHONE (60 1) 437-6797 OPERATING STATUS

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Unit Name: GGNS UNIT 1 Reporting Period: April, 2005 Licensed Thermal Power (MWt): 3898 MWT Nameplate Rating (Gross MWe): 1372.5 MWE Design Electrical Rating (Net MWe): 1250 MWE Maximum Dependable Capacity (Gross MWe): 1257 MWE Maximum Dependable Capacity (Net MWe):

1207 MWE If changes occur in Capacity Ratings (Items 3 through 7) Since Last Report. Give Reason: N/A Power Level To Which Restricted, If Any (Net MWe):

Reasons For Restrictions, If Any: N/A None This Month Yr to Date Cumulative" Hours in Reporting Period 719 2,879 179,967 Number of Hours Reactor was Critical 719 2,841 156,307 Reactor Reserve Shutdown Hours 0

0 0

Hours Generator On-Line 719 2,826 152.490 Unit Reserve Shutdown Hours 0

0 0

Gross Thermal Energy Generated (MWH) 2,795,343 10,908,343 559,685,590 Gross Electrical Energy Generated (MWH) 962,134 3,754,957 184,498,910 Net Electrical Energy Generated (MWH) 925,347 3,612,958 177,089,697 Unit Service Factor 100.0 98.2 86.0 Unit Availability Factor 100.0 98.2 86.0 Unit Capacity Factor (Using MDC Net) 106.6 104.0 86.3 Unit Capacity Factor (Using DER Net) 103.0 100.4 80.7 Unit Forced Outage Rate 0.0 1.8 4.6 Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

RF14, 09ll8f2005.25 days

25.

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If Shut Down At End of Report Period. Estimated Date of Startup: N/A Units in Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY 0811 8/82 INITIAL ELECTRICITY 10/20/84 COMMERCIAL OPERATION 0710 1/85

• Items 11 through 18 are cumulative results since initial electricity 6050028 to GNRO-2005100028 DOCKET NO 50-4 1 6 DATE 05/03/2005 COMPLETED BY J. Charboneau TELEPHONE (60 1 > 437-6797 MONTH: April 2005 DAY 1

2 3

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10 I 1 12 13 14 15 1 1 1 0 AVERAGE DAILY POWER LEVEL (MWe-Net) 1292 1297 1293 1291 1287 1266 1289 1291 1230 1286 1284 1291 1294 1295 1293 1291 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1290 129 1 1288 1285 1282 1279 1294 1297 1294 1291 1294 1285 1280 1289 6050028 to GNRO-2005100028 No.

Date Type (1)

Duration Reason Method Of Licensee Event System Code Component Cause & Corrective Action To Prevent Hours (2)

Shutting Down Report #

(4)

Code (5)

Recurrence (C&CA) 1 2

3 4

5 F: Forced Reason:

Method:

Exhibit G - Instructions for Preparation of Exhibit 1 - Same Source S: Scheduled A-Equipment Failure (Explain) 1 -Manual Data Entry Sheets for Licensee Event B-Maintenance or Test 2-Manual Scram Report (LER) File (NUREG-0161)

C-Refuel ing 3-Automatic Scram D-Regulatory Restriction 4-Continued E-Operator Training &

5-Reduced load F-Administrative G-Operational Error (Explain)

H-Other (Explain) 6-Other