ML19329D975
| ML19329D975 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 04/24/1979 |
| From: | Braun H SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19329D971 | List: |
| References | |
| NUDOCS 8004080993 | |
| Download: ML19329D975 (1) | |
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02072 SANFRANCISCO CA 166 04-24 1037A PST 5o 3I
?MS HAROLD DENTON, DIRECTOR OF LICENSING, DLR NUCLEAR REGULATORY COMMISSION 1717 H ST NORTHWEST O
WASHINGTON DC O
THE FOLLOWING INFORMATION RESPONDS TO YOUR REQUEST AS TO THE O
EFFECT UPCU NORTHERN CALIFORNIA ELECTRIC CAPACITY M ARGINS IN THE O
EVENT THAT THE RANCHO SECO UNIT IS SHUTDOWN THIS SUMMER. THE O
DATA WAS REVISED TODAY c4/23) FROM THAT PREVIOUSLY FURNISHED TO O
THE CALIFORNI A ENERGY COMMISSION AND THE CALIFORNIA PUBLIC O
UTILITIES COMMISSION TO REFLECT THE FORCED OUTAGE OF THE 108 MW I
CONTRA COSTA UNIT No.1, WHICH OCCUc RED ON APRIL 21, 1979 AND WHICH WILL EXTEND AT LEAST THROUGH THE SUMMER MONTHS. NOR THER N CALIFORNI A AREA C APACITY MARG INS, WITHOUT ADDITIONAL PURCHASES FROM NEIGHBORING UTILITIES AND WITHOUT RANCHO SECO, ARE ESTIM ATED SF 1201 (R5-69)
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O To eE AS FOLLOWS:
O MAY 2.48-0/0 July 0.98-0/0 0
JUNE 5.S-0/0 AUGUST 1.07-0/0 O
G ASSUMING THAT WE PURCHASE ALL C AP ACITY NOW ESTIM ATED TO BE O
O AVAILABLE FROM NEIGHBCRING UTILITIES, AREA M ARGINS ARE ESTIM ATED TO BE:
O MAY 4.43-0/0 JULY 3.3-0/0 I
JUNE S.6-0/0 AUGUST 3.4-0/0 THESE MARGINS ARE CLEARLY INSUFFICIENT TO PROTECT AG AINST ANY
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ADDIT IONAL FORCEE OUT AGES, AND IF LOADS ARE AS FORECASTED WE C r.1 1 (R$-69)
-O WOULD ?E REQUIRED TO IMPLEMENT CUSTOMEP LO AD CURTAILMENT "O
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??OCEDURES O
O H P BR AUN VICE PRESIDENT ELEC CPER
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