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Community Choice Aggregation Feasibility Analysis Alameda County <br />June, 2016 19 MRW & Associates, LLC <br />PG&E’s electric mix. Besides renewable generation, over 40% of PG&E’s supply portfolio is made up of nuclear and large hydro generation, both of which are emissions-free generation <br />technologies. PG&E’s GHG emissions decrease before 2019 and increase between 2019 and <br />2024 due to the changes in its RPS procurement.30 In 2025, the retirement of the Diablo Canyon <br />nuclear generation plant increases PG&E’s GHG emissions by approximately 30% as the utility will need to increase its fuel-fired generation to make up for the loss. In the following years PG&E’s GHG emissions are expected to decrease as it ramps up renewable procurement to meet <br />its mandated RPS goals. <br /> <br />Figure 16. Scenario 1 GHG Emissions by Year Year (“Normal” PG&E Hydro Conditions) <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. <br />Rate Differentials <br />Figure 17 summarizes the results for this scenario, with the vertical bars representing the <br />Alameda CCA customer rate and the counterpart PG&E generation rate shown as a line. In this <br /> <br />30 According to the PG&E RPS plan PG&E Final 2015 Renewable Energy Procurement Plan, filed in CPUC <br />proceeding R.15-02-020, January 14, 2016, Appendix D, Table 2 and Table 4, the RPS procurement in 2019-2024 falls in average 3.5% annual.