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Strategies and Actions <br />Connection between Energy and Water Use <br />Energy and water use are linked. Energy is needed to transport and to treat water, treat wastewater, and heat <br />domestic hot water in homes and businesses across California. Approximately 20 percent of California's electricity <br />and approximately 30 percent of natural gas used by homes and businesses across the state is dedicated to <br />pumping, treating, and heating water. Figure 13 indicates the 10 percent of energy used to transport and treat water; <br />energy used to heat water is distributed among the various customers. <br />Figure 13: Energy (Electricity and Natural Gas) Used by the Water Sector in California45 <br />VVASTEWATER TREATMENT 2;� WATER SUPPLY, <br />WATER END USES 88 & TREATMECENT <br />& TRE10% <br />� m <br />E} L <br />W Sp <br />n X <br />cz <br />v <br />W <br />m <br />G� <br />c <br />3 <br />{� N <br />3 <br />G <br />aI <br />o <br />:J <br />Residential Use Breakdown <br />� <br />Shower Salh Clothes Faucet Leaks Distrwasher <br />14°/.. 2% Was /L 1her 13°% 3°l. <br />g°/a <br />How Are We Doing? <br />Over time, emissions associated with each kilowatt hour of electricity generation in California have continued to <br />decline as the grid relies less on fossil fuel power generation sources, including coal and natural gas, and more on <br />renewable power generation sources, including solar, wind, and hydropower. <br />In Redwood City, natural gas accounted for 67.5 percent of building emissions in 2017, while electricity accounted <br />for 32.5 percent of building emissions. Electricity emissions in Redwood City have decreased 65.4 percent since <br />2005 and natural gas emissions have increased 2.7 percent, but have been in a period of decline from 2010-2017. <br />With the launch of Peninsula Clean Energy, which has a stated target of all electricity sales being 100 percent GHG- <br />free by 2021, and the State's requirement through Senate Bill 100 (SB 100) that utilities procure 100 percent of <br />electricity through renewable resources by 2045, the percent of building emissions associated with electricity will <br />only continue to decline. <br />The State of California remains a leader in implementing policies aimed at reducing water consumption. Assembly <br />Bill 1668 (AB 1668) and Senate Bill 606 (SB 606), adopted in 2018, require urban water providers to establish a <br />City of Redwood City Climate Action Plan 45 <br />