1. Western Electricity Coordinating Council
Linking Requests (#1,2,3,6,7,8,9,10,11,12,13)
Expansion Cases
List of in-depth Studies based on 3 portfolio cases and 2 expansion cases (select 5?)
Portfolio Cases
East-West Tx Expansion
Wind Heavy portfolio
Curtailment sensitivities
Coal plant flexibility sensitivities
Import/Export of Path 46
Hydro flexibility to reduce RE curtailment
Identify contingency event of high renewables
Dispatch with opportunity/variable costs
Resource Adequacy review
North-South Backbone Tx
2026 Common Case
Solar heavy
portfolio
North-South Backbone Tx
Offshore wind alternative
Coastal Tx offset E-W Tx
Storage alternative
Storage offsets Tx additions
Western Electricity Coordinating Council

2. Option to build a High and Medium RE portfolio cases
Benefit of a using a High and Medium Wind and Solar portfolio case that it would provide more data points to perform the in-depth studies selected. Gives us more information to perform follow up work.
Portfolio Cases
High Wind portfolio – 2026 PC12 (130 GWh)
Wind portfolio
Medium Wind portfolio – 2026 PC (4050 GWh RE)
2026 Common Case
High Solar
Portfolio (130 GWh)
Solar heavy
portfolio
Medium Solar
Portfolio – 2026 PC22 (40-50 GWh)
Western Electricity Coordinating Council