ML19270G026
| ML19270G026 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 04/26/1979 |
| From: | Brown H SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Hendrie J NRC COMMISSION (OCM) |
| References | |
| NUDOCS 7905290067 | |
| Download: ML19270G026 (2) | |
Text
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07TH APRIL 1979 JUA O AEN N~A PARIS
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{f(gg FOR INTL TELEX DI AL 710-599-3535 et,-
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NRC BHDA PLO85 ifADR96(IBI))(1-033767M1163PD 04/fts/79 I806 ICS IPM3FS83 SFO l
0209R SANFRANCISCD CA 360.04-26 154P PST
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PMS JOSEPH HENDR Ir CHAIRMAN, NUCLEAR REGULATORY COMMISSION, DLR e
1717 H ST NORTHWEST
}
WASHINGTON OC 20555 WE UNDERSTAND YOU WERE INFORMED YESTENDAY THAT NORTHERN CALIFORNIA POWER SPORTAGES COULD BE MADE UP WITH SUPPLIES FROM OUTSIDE THE NORTHERN CALIFORNIA AREA IF RANCHO SECO UNIT IS SHUTDOWN THIS j
SUMMER. ATTACHED IS A COPY OF TELEGRAM OF APRIL 23, 1979 TO MR.
WALBRIDGE WHICH SETS FORTH THE MARGINS IN NORTHERN CALIFORNIA
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WITH AND WITHOUT PURCHASES. ESTIMATED TO BE AVAILABLE FROM NEIGHBORING UTILITIES. PURCliASES FROM THE PACIF IC NORTHWEST, 7
ALREADY INCLUDED IN OUR RESOURCES, FULLY LOAD OUR SHARE OF THE PACIFIC' INTERTIE DURING. THE SUMMER MONTHS.
WE ARE CONTINUING TO JHVEVIGATR PONER FROM. ADDITIONAL SOURCES 2 e
NUT ITS AVAILABILITY WILL 13t SUS,?ICT TO TRANSMISSION LIMITATIONS AND OThER FACTORS PECULI AR TO THE SiSTIMS INVOLVED.
GUO1Z:
PR. WILLIAH C.
W A L9R I t'G E, GEN. NOR.
S ACitAMINTO MUN IC IPAL UTILITY. DIST.,
6201 S STRIIT SACRAMENTO, CA. 95SI3 MR. HAROLD DENTON, DIRIGTOR OF LICENSING NUCLEAR REGULA TORY COMMISSION 1717 H STREET, N.W.
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WASHINGTON, D.C.
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MR. EOSON CASE, DEPU fY DIR OF RZACTOR '.:GULATION NUCLEAM REGULATORY COMM 1717 H STREET, N.W.
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[%V THESE M MUlr43 AHE ULEAMLY I N 5 U P Y l V J r rts su FHOTECT AGAINST ANT ADDITION 4C FORCED OUTAGES, AND IF LOADS ARE AS FORECASTED WE WOULD BE REQUIRED TO IMPLEMENT CUSTOMER LOAD CURTAILMENT PROCEDURES (3IaNED) H P ORAUN VICE PRESIDENT ELEC OPER UNGuGTE 9 W SHACHELTORD EXECUTIVE VICE PRESIDENT NNNN 7905290064 ;
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Y a3HINGTON, D.C. 20S55 MR. JOHN E.
BRYSON, PRES.
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C.wiv.~PUBLIC UTILITIES COMMISSION
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150 MCALLISTER STREET S AN FRANC ISCO, CA. 94102
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MR. RICHARD MAULLIN, CHAIRMAN f
CALIFORNI A ENERGY COMMISSION t11 HOWE AVEe
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SACRAMENTO, CA. 95 14 THE FOLLOW iNG INFORMATION RESPONDS TO YOUR, REQUEST AS TO THE EFFECT UPON NORTHERN CALIFORNIA ELECTRIC CAPACITY HARGINS IN THE EVENT THAT THE RANCHO SECO UNIT IS SHUTDOWN THIS SUMMER. THE
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OATA WAS REVISED TODAY (4/23) FROM THAT PREVIOUSLY TUrtNISHED TO THE CALIFORNIA ENERGY COMMISSION AND THE, CALIF 3.4NIA PU.8LIC
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UTl:.ITIES COMMISSION TO REFLECT THE FORCED OUTAGE OF THE 108 MW CONT ~tA COSTA UNIT NO.
1, WHICH OCCURRED ON A PR I L 'e l, 1979 AND WHICH WILL EXTEND AT LEAST THROUGH THE SUMMER MONTHS. NORTHERN CALIFORNIA AREA CAPACITY MARGINS, WITHOUT ADDITIONAL PURCHASES FROM NEIGH 80 RING UTILITIES AND WIHOUT RANCHG SECO, ARE ESTIMATED TO 9E AS FOLLOWS :
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0.[8-O/0 JULY 0 90-O/0 MAY JUNE.
5 8-O/0
-AUGUST 1 07-O/0 A5SUMING THAT WE PURCHASE ALL CAPACITY NOW ESTIMATED TO GE AVAILA9LE FROM NEIGH 90R ING UTILITIES, AREA MARGINS ARE ESTIMATEO TO DE:
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a MAY 4.43-O/0 JULY 3 3-O/0 JUNE R.6-O/0 AUGUST 3 4-O/0 THESE MARGINS ARE CLEARLY INSUFFICIENT TO PROTECT AGAINST ANY ADDITIONAL' FORCED OUTAGES, AND IF LOADS ARE AS FORECASTED WE WOULD 53E ftEQUIRED TO IMPLEMENT CUSTOMER LOAD CURTAILMENT PROCEDURES (SIGNED) H P BRAUN VICE PRESIOENT ELEC OPER UNQUOTE 9U SHACHELFORO EXECUTIVE VICE PRESIDENT HNNN
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