Modest coal retirements with replacement PC20 Coal Retirement A High X X X X generation from gas CEERT, NRDC, resources PacifiCorp, SPSC, Aggressive coal WIRAB, SPSG, retirements with Western Grid Group PC21 Coal Retirement B High incremental X X X X replacement generation from renewables High Renewables Interconnection-Wide – Specify high renewables target based on increased NRDC, PG&E, PC22 RPS across multiple states *15-Year Case X* X X X SPSC/WIRAB (e.g., 50% increase RPS levels) High Renewables State Specific – Small CA RPS increase: Needed so other PC23 +12,000 GWh of High CEERT, IID +12,000 cases can be X renewables in-state compared EC23-1 IID transmission expansion High IID X Represents step along Large CA RPS increase: way to PC22 15-year PC24 40% RPS from in-state High CEERT, IID X X study w/ California at resources 50% Remove Path 26 EC24-1 High PG&E X constraints in PC24 Transmission expansion EC24-2 case based on results of High PG&E X E24-1 Add 12,000 GWh to HPX Executive PC25 High X Colorado and Wyoming Committee High Renewables Specific (cont.) –
PC20 Coal Retirement A High CEERT, NRDC, PacifiCorp, SPSC, WIRAB, SPSG, Western Grid Group Modest coal retirements with replacement generation from gas resources X X X X PC21 Coal Retirement B High Aggressive coal retirements with incremental replacement generation from renewables X X X X High Renewables – Interconnection-Wide PC22 Specify high renewables target based on increased RPS across multiple states (e.g., 50% increase RPS levels) NRDC, PG&E, SPSC/WIRAB *15-Year Case X* X X X High Renewables – State Specific PC23 Small CA RPS increase: +12,000 GWh of renewables in-state High CEERT, IID Needed so other +12,000 cases can be compared X EC23-1 IID transmission expansion High IID X PC24 Large CA RPS increase: 40% RPS from in-state resources High CEERT, IID Represents step along way to PC22 15-year study w/ California at 50% X X EC24-1 Remove Path 26 constraints in PC24 High PG&E X EC24-2 Transmission expansion case based on results of E24-1 High PG&E X PC25 Add 12,000 GWh to Colorado and Wyoming High HPX Executive Committee X High Renewables – Specific (cont.)
teppc_2014_studyprogram.docx