page 45 EER analytical tools used in this study EnergyPATHWAYS (EP) is our demand-side stock- rollover accounting model that produces scenarios based on exogenous service-demand and sale shares RIO is a supply-side macro-energy model that finds the lowest cost investment and operations plan with best-in-class temporal and spatial granularity 2021 Energy System Annual End-Use Energy Demand Hourly Load Shape Deep decarbonization pathway with electrification