One of Three Standby Diesel Generators at STP Unit 2 Fails During Routine Test

One of Three Standby Diesel Generators at STP Unit 2 Fails During Routine Test
Unit Continues to Operate at Full Power 


HOUSTON, Dec. 11  /PRNewswire-FirstCall/ -- Texas Genco Holdings, Inc. , a
majority-owned subsidiary of CenterPoint Energy, Inc. , announced that on
December 9, 2003, one of three standby diesel generators at Unit 2 of the South
Texas Project (STP) nuclear facility experienced a failure during a routine
monthly surveillance test.  Texas Genco owns a 30.8 percent interest in STP.

(Logo:  http://www.newscom.com/cgi-bin/prnh/20030127/DAM020LOGO )

STP Nuclear Operating Company personnel have informed the Nuclear Regulatory
Commission and are completing the analysis to determine the cause of the failure
and are developing a repair plan.  The unit continues to operate at full power
and has two operational standby diesel generators.

At this time, the company cannot predict the cost of repairs or if this event
would require an outage.

Texas Genco Holdings, Inc., based in Houston, Texas, is one of the largest
wholesale electric power generating companies in the United States with over
14,000 MW of generation capacity.  It sells electric generation capacity, energy
and ancillary services in ERCOT, one of the nation's largest power markets. 
Texas Genco has one of the most diversified generation portfolios in Texas,
using natural gas, oil, coal, lignite, and uranium fuels.  The company owns and
operates 60 generating units at 11 electric power-generating facilities and owns
a 30.8 percent interest in a nuclear generating plant. Texas Genco currently is
a majority-owned subsidiary of CenterPoint Energy, Inc.  For more information,
visit our web site at http://www.txgenco.com/ . 

http://www.newscom.com/cgi-bin/prnh/20030127/DAM020LOGO

http://photoarchive.ap.org/

DATASOURCE: Texas Genco Holdings, Inc.



CONTACT:  media, Leticia Lowe, [phone], or investors, Marianne

Paulsen, [phone], both of Texas Genco Holdings, Inc.



Web site:  http://www.txgenco.com/

http://www.centerpointenergy.com/ 

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