The model builds from 2027 on top of today's fleet and committed projects

How the generation fleet is assembled over the forecast horizon

2026203020342038204220462050Existing fleetStarting fleet: EIA-860 units operating, on standby or temporarily outEIA-860 units operating todayCommitted, outside CAISOWECC ADS tier 1 projects, built at their online dates (95% online by 2031)WECC ADS projects: 41 GWCommitted, CAISOCAISO queue projects under construction or with signed interconnection agreements, built at their online datesUnder construction or with signed agreements: 53 GWEconomic buildsChosen by the capacity expansion model each yearQueue limitsChosen by the capacity expansion model each yearLimits from each node's build history

Source: EIA-860, WECC ADS, CAISO, Modo Energy

Note: Committed projects are built at their online dates. Other queue projects only set build limits.

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MODOENERGY