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14� *./ <br /> ATTACHMENT I <br /> SAN JOAQUIN COGEN LIMITED <br /> ENERGY USAGE <br /> The San Joaquin cogeneration facility, located near Lathrop , <br /> California, will employ a gas turbine generator which will <br /> consume 443 thousand cubic feet per hour of natural gas (at <br /> 62"F ambient temperature) to produce 45,500 kW of electricity <br /> to be sold to PG&E and 30,000 lb/hr of customer-used process <br /> steam at 300 prig and 470 -F. Presently the customer <br /> produces process steam by firing natural gas in existing <br /> on-sits= boilers. <br /> The equivalent fuel savings realized by consumers if the <br /> cogeneration plant were built would be the quantity derived <br /> if the fuel used by the cogeneration plant to produce <br /> electricity and steam were subtracted from the amount of fuel <br /> used by the utility to produce the same amount of electricity <br /> and the fuel used by the customer- to produce the same amount <br /> of steam. Shown algebraically: <br /> Fuel savings = <br /> Fuel used by utility + Fuel used by steam customer - Fuel <br /> used by cogeneration facility. <br /> The fuel saved by erecting the cogeneration plant would be <br /> the natural gas energy equivalence of approximately 132,000 <br /> barrels of oil per year. <br />