APS Regional Energy Overview

8 Key New Energy Sources Keeping us Tracking to our Goals Tracking our 2030 Clean Energy Target ● ● ● ● ● Initiatives Solar generation Wind generation Gas as a bridge fuel Demand-side management Energy storage solutions Innovation 29% 2021 2030 16% 25% 5% 10% 15% Coal Gas 10% 6-7% Purchased Nuclear 14-19% DSM 18% Renewables** 15% *Clean energy is energy derived from zero-carbon resources; this includes grid-scale and distributed renewables, demand side management savings, nuclear and purchases of renewable energy. **Renewables include energy from wind, solar, geothermal, biomass, distributed generations and solar purchase power agreements. 33-36% Tracking our 2030 Renewable Energy Target 2021 15% *Renewable is measured in accordance with the ACC's Renewable Energy Standard as a percent of retail sales. 0 45% 2030 PINNACLE WEST CAPITAL CORPORATION

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