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Community Choice Aggregation Feasibility Analysis Alameda County <br /> diversity in PG&E's electric mix. Besides renewable generation, over 40%of PG&E's supply <br /> portfolio is made up of nuclear and large hydro generation, both of which are emissions-free <br /> generation technologies. PG&E's GHG emissions decrease before 2019 and increase between <br /> 2019 and 2024 due to the changes in its RPS procurement.34 In 2025, the retirement of the <br /> Diablo Canyon nuclear generation plant increases PG&E's GHG emissions by approximately <br /> 30% as the utility will need to increase its fuel-fired generation to make up for the loss. In the <br /> following years PG&E's GHG emissions are expected to decrease as it ramps up renewable <br /> procurement to meet its mandated RPS goals. <br /> Figure 16. Scenario 1 GHG Emissions by Year("Normal" PG&E Hydro Conditions) <br /> 2,000,000 <br /> 1,800,000 <br /> 1,600,000 <br /> 1,400,000 <br /> 1,200,000 <br /> E 1,000,000 <br /> 800,000 <br /> 600,000 <br /> 400,000 <br /> 200,000 ' <br /> - 1 1 1 - <br /> 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 <br /> a PG&E •ALAMEDA CCA <br /> Scenario 2 (Accelerated RPS) <br /> Under Scenario 2, Alameda County CCA meets 50% of its load through renewable power <br /> starting from 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 County CCA customer rate and the counterpart PG&E generation rate shown as a line. <br /> 34 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 <br /> falls in average 3.5%annual. <br /> July,2016 20 MRW&Associates,LLC <br />