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SECTION 2: INTRODUCTION <br />SECTION 2: <br />INTRODUCTION <br />3 <br />The City of Santa Ana Public Works Agency operates a water distribution system to deliver potable water to <br />45,000 meters throughout the city, using a series of pipes, pumps, tanks and wells. The Agency delivers an <br />average of 33.5 million gallons per day (MGD) of water, purchasing 18,000,000 kWh of electricity annually to <br />operate the pumps and other loads. The Agency's average electric load is a little over 2 megawatts. This <br />electricity is purchased from Southern California Edison through meters at pump stations and wells on several <br />different rate schedules. The GHG released in the generation of this electricity, based on the average Southern <br />California Edison (SCE) rates used in the Santa Ana Climate Action Plan, is 0.286 metric tons of CO2 equivalent <br />per Megawatt hour (MWh), or a total of 5,148 metric tons per year. <br />This report evaluates the potential to generate renewable electricity to offset some of the cost of this pumping <br />power and to reduce the GHG impact of this electricity use. <br />The two local renewable resources evaluated in this report are the generation of solar power with photovoltaic <br />(PV) modules mounted on storage tanks and carports at the City Yard, and the recovery of head from water <br />delivered to the city system by the Metropolitan Water District. <br />Newcomb I Anderson I McCormick 19H-1 1 CITY OF SANTA ANA <br />