ML031410660

April 2003 Monthly Operating Report for Duane Arnold Energy Center

ML031410660
Person / Time
Site:	Duane Arnold
Issue date:	05/15/2003
From:	Peifer M Nuclear Management Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-97-002, NG-03-0356
Download: ML031410660 (7)

Text

NMCA Committed to Nuclear Excellence Duane Arnold Energy Center Operated by Nuclear Management Company, LLC May 15, 2003 NG-03-0356 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station O-P1-17 Washington, DC 20555-0001

Subject:

Duane Arnold Energy Center Docket No: 50-331 Operating License: DPR-49 April 2003 Monthly Operating Report File:

A-118d Please find enclosed the Duane Arnold Energy Center Monthly Operating Report. The report has been prepared in accordance with the guidelines of NRC Generic Letter 97-02: Revised Contents Of The Monthly Operating Report, and distribution has been made in accordance with DAEC Technical Specifications, Section 5.6.4.

There are no new commitments made in this letter.

Very truly yours, Mark

.Pe Site Vice President MAP/RBW Enclosures

.~ ~ ~

~~~~~~~~~~~-

'_i 7~

3277 DAEC Road.* Palo, Iowa 52324-9785 Telephone: 319.851.7611

46 May 15, 2003 NG-03-0356 Page 2 of 2 cc:

Mr. James E. Dyer Regional Administrator, Region II U.S. Nuclear Regulatory Commission 801 Warrenville Road Lisle, IL 60532-4351 Ms. Barbara Lewis McGraw-Hill, Inc.

1200 G Street NW, Suite 1100 Washington, DC 20005 Mr. Dennis Murdock Central Iowa Power Cooperative Box 2517 Cedar Rapids, IA 52406 Document Control Desk INPO Records Center 700 Galleria Parkway Atlanta, GA 30339-5957 Mr. Darl Hood 1 White Flint North Mail Stop 8H4A 11555 Rockville Pike Rockville, MD 20852 Ms. Parveen Baig Iowa State Utilities Board Lucas State Office Building Des Moines, IA 50319 Dr. William A. Jacobs, Jr.

GDS Associates, Inc.

1850 Parkway Place, Suite 720 Marietta, GA 30068-8237 Mr. Dale Arends Corn Belt Power Cooperative 1300 13th Street North Humboldt, IA 50548 IRMS NRC Resident Inspector CTS Proect

OPERATING DATA REPORT DOCKET NO:

DATE:

Unit:

COMPLETED BY:

TELEPHONE:

50-331 05-15-2003 Duane Arnold Energy Center Richard Woodward (319) 851-7318 OPERATING STATUS

1.

Unit Name: Duane Arnold Energy Center

2.

Reporting Period: April 2003

3.

Licensed Thermal Power (MWth): 1912 Tech. Spec. Amendment 243 and TSCR for extended power uprate _

was implemented November 7, 2001. Current operating thermal power, as limited by balance-of-plant equipment, is 1790.

4.

Nameplate Rating (Gross MWe DER): 676.425 Cturrent rated otutput, adjuistedfor as-btilt balance-of-plant conditions is 614.0.

5.

Design Electrical Rating (Net MWe DER): 581.4

6.

Maximum Dependable Capacity (Gross MWe MDC): 593.1

7.

Maximum Dependable Capacity (Net MWe MDC): 565.5

8.

If Changes Occur in Capacity Ratings (Items Number 3 through 7) since the last report, give reasons: N/A

9.

Power Level to Which Restricted, If Any (Net MWe): N/A

10.

Reasons for Restrictions, If Any: N/A r F I

Apr-03 2003 Cumulative

11.

Hours in-Reporting Period 719.0 -

--2;879.0 -

247,583.0

12.

Number ofHours Reactor Was Critical 294.3 1,943.3 196,189.1

13.

Reactor Reserve Shutdown Hours 0.0 0.0 192.8

14.

Hours Generator On-Line 248.4 1,868.8 191,942.1

15.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

16.

Gross Thermal Energy Generated (MWH) 418,056.9 3,258,773.0 281,996,199.1

17.

Gross Electrical Energy Generated (MWH) 140,228.0 1,112,232.0 94,687,044.6

18.

Net Electrical Energy Generated (MWH) 132,567.6 1,052,029.6 89,008,731.9

19.

Unit Service Factor 34.5%

64.9%

77.5%

20.

Unit Availability Factor 34.5%

64.9%

77.5%

21.

Unit Capacity Factor (Using MDC Net) 32.6%

64.6%

70.6%

22.

Unit Capacity Factor (Using DER Net) 31.7%

62.9%

68.5%

23.

Unit Forced Outage Rate 0.0%

15.7%

8.3%

Average Daily Net Power Level 600 500 400 300 200 100 01 08 15 22 29 f

AVERAGE DAILY UNIT POWER LEVEL DOCKETNO:

50-331 DATE:

05-15-2003 Unit:

Duane Arnold Energy Center COMPLETED BY:

Richard Woodward TELEPHONE:

(319) 851-7318 i MONTH April 2003 Day Average Daily Power Level (MWe-Net) 04/01 0

04/02 0

04/03 0

04/04 0

-04/05 04/06 0

04/07 0

04/08 0

04/09 0

04/10 0

04/11 0

04/12 0

04/13 0

04/14 0

04/15 0

04/16 0

04/17 0

04/18 0

04/19 0

04/20 11 04/21 298 04/22 04/23 565 4 _._

04/24 582 04/25 583 04/26 581 04/27 575 04/28 579 04/29 583 04/30 580

-#N/A

1. N/A I

REFUELING INFORMATION DOCKET NO: 50-331 DATE: 05-15-2003 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE:

(319) 851-7318

1.

Name of facility. Duane Arnold Energy Center

2.

Scheduled date for next refueling shutdown. Winter 2005

3.

Scheduled date for restart following refueling. Spring 2005

4.

Will refueling or resumption of operation thereafter require a technical specification change or other license-amendment?-No--=o-

5.

Scheduled date(s) for submitting proposed licensing action and supporting information. N/A

6.

Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures. N/A

7.

Current fuel assemblies inventory Number of Projected date of last Fuel refueling that can be Assemblies discharged (after allowing margin for raintenance of i.-..~---

continuous full-core discharge capability)

Installed into reactor core 368_ _

Dischaged from core to Spent Fuel Storage Poo 2064 Scheduled for ransferto Dry Fuel Storage November 2003 610 Installed capacity of Spent Fuel Storage 2411 2008 Licensed capacit of Spent Fuel Storage (with re-racking of pool) 2829 2014 Licensed capacity of Spent Fuel Storage Pool and Cask Pool (with 3152 reracking)

DOCKET NO:

DATE:

Unit:

COMPLETED BY:

TELEPHONE:

50-331 05-15-2003 Duane Arnold Energy Center Richard Woodward (319) 851-7318 UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH: April 2003 No.

Date Type Duration Reason Method of Licensee Cause (1)

(Hours)

(2)

Shutting Event Down Reactor Report #

(3) 3 04/01/03 S

470.6 C

4 Refueling Outage

_~ -

__L(490.22 -

Effective-full-power hours)

I - F: Forced 2 - Reason 3 - Method:

S: Scheduled A-Equipment Failure (Explain)

I-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued E-Operator Training & License Examination 5-Reduced Load F-Administrative 9-Other (Explain)

G-Operational Error (Explain)

H-Other (Explain)

DOCKET NO.:

DATE:

Unit:

COMPLETED BY:

TELEPHONE:

50-331 05-15-2003 Duane Arnold Energy Center Richard Woodward (319) 851-7318 Monthly Operational Overview for April 2003 (continued)

Following is the allocation of production and losses:

Capacity Factor I

% of 614 Full Power MWe Hours Electrical (Target Equivalent lOutput MWe Output)

(FPHeq)

Net Electric Output 1

il!

i

,8438

30. 03%/t 215.91 Plant House Loads (while on-line)

+10.62 11.73%

12.44 Subtotal: Gross Electric Output 9 5' J5.00L3l_76V,6 228.34 -9 Capacity Losses (departures from full thermal power):

12.38 2.02%

14.50 Ramp up: 4/20 20:33 - 04/22 17:00 Load-line Adjustments: 4/22 20:38 - 21:25, 4123 04:17 - 04:50 & 15:27 -

0.08 0.01%

0.09 16:30, 4/28 21:34 - 22:49 Turbine Over-speed Testing: 4/20 14:48 - 20:33 4.38 0.71%

5.13 Maintain Margin to 1790 Administrative MWth Limit 0.10 0.02%

011 Efficiency Losses (which occur even at full thermal power):

0.03 0 01%

0.04

-i+ Seasonal Effects (i.e., cold weather increase) 0.16 0.03%

0.19 J

Soa:O-ineLsC ~aa pfcec,aWeahr i

17.13 2.9%1 20.06 Off-Line osses 41.8 6.5%

1406 TIotal:'Target'Flectric Output,-%,# of cloekhoursv K K4 SU.4;0 Q

,.Df i

100.00%I9

_12 Licensing Action Summary:

Plant Availability:

l 34.5%

Unplanned Auto Scrams (while critical) this month:

l 0 Number of reportable events:

3 Unplanned Auto Scrams (while critical) last 12 months:

0