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<br /> <br />,,!",~;. ~wever, in: order to avoid the possibility of inadequate <br />'-. '-' ",' .- <br />hydro resources in the January-April, 1978 period,it <br />may be necessary to impose rationing during the 1977 <br />summer. The probability that such rationing will occur <br />by August i$ projected at about 50 percent, according to <br />the Northwest Power Pool. <br />California <br /> <br />PG&E ha~ reported that 1977 hydroelectric generation <br />may be 30 percent below that of 1976, in which year the <br /> <br />previous low record was established. Hydroelectric generation <br /> <br />is expected :to yield only about 11,000 GWh compared to 15,900 <br />GWh in 1976., During the four-month summer period, hydro genera- <br />tion by systems serving the San Francisco-Sacramento area is <br /> <br />expected to be about 3500 GWh below normal. The situation is <br /> <br />exacerbated by an expected increase of about 4.4 percent in <br />demand. Little energy is expected to be available from BPA <br />during the 1'!J77 summer. The California Public Utility Commission <br />(PUC) expect$ total 1977 additional oil consumption for electricity <br /> <br />generation to be 30-35 million barrels. This oil may add about <br />$460-$600 million to generating costs. Capacity margins <br /> <br />25 <br /> <br />~~;;:~~ <br /> <br />.'{. <br /> <br />