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Community Choice Aggregation Feasibility Analysis Alameda County <br />June 2016 v MRW & Associates, LLC <br /> <br />Table ES-1 shows the average annual savings for Residential customers under Scenario 1. The <br />average annual bill for the residential customer on the Alameda CCA program could average <br />about 7% lower than the same bill on PG&E rates. <br /> <br />Table ES-1. Scenario 1 Savings for Residential CCA Customers <br />Residential  <br />Monthly  <br />Consumption  <br />(kWh)  <br />Bill with PG&E  <br />($)  <br />Bill with  <br />Alameda CCA  <br />($)  <br />Savings ($) Savings (%)  <br />2017 650 147 142 5 3%  <br />2020 650 160 145 15 9%  <br />2030 650 201 188 13 6%  <br /> <br /> <br />Scenario 2 (Accelerated RPS) <br />Under Scenario 2, Alameda CCA meets 50% of its load through renewable power starting from <br />2017, while 50% of its non-renewable load is met through hydro-electricity (i.e., overall 50% <br />qualifying renewable. 25% hydro, 25% fossil or market). In this scenario, the differential <br />between PG&E generation rates and Alameda CCA customer rates is slightly lower than that under Scenario 1, but continues to follow a similar pattern over the years with respect to PG&E <br />rates. As was the case under Scenario 1, because of this positive differential, Alameda CCA <br />customers’ average generation rate (including contributions to the reserve fund) can be lower <br />than PG&E’s average customer generation rate in each year under this scenario as well. <br />The annual bill for a residential customer on the Alameda CCA program in Scenario 2 could about 6.5% lower than the same bill on PG&E rates (on average over the 2017-2030 study <br />period). This is less than, but close to, bill savings under Scenario 1. <br />Scenario 3 (80% RPS by 2021) <br />Under this scenario, the Alameda CCA starts with 50% of its load being served by renewable <br />sources in 2017, and increases this at a quick pace to 80% renewable energy content by 2021. In addition, 50% of its non-renewable supply is met through large hydro-electric sources. <br />The differential between PG&E generation rates and Alameda CCA customer rates in Scenario 3 <br />is the lowest of the three scenarios, as this scenario has the most expensive supply portfolio <br />(Figure ES-4). However, the expected Alameda CCA rates continue to be lower than the forecast PG&E generation rates for all years from 2017 to 2030. Although this positive differential still allows for the collection of reserve fund contributions through the CCA’s rates in all the years <br />under consideration, between 2026 to 2028 the differential is very small. Similarly, the annual