APS Renewable Energy Sources

The following table summarizes APS’s renewable energy sources currently in operation and under development as of December 31, 2017. Agreements for the development and completion of future resources are subject to various conditions, including successful siting, permitting and interconnection of the projects to the electric grid. Additionally, in early February 2018, APS entered into a 15-year power purchase agreement for a 65 MW solar facility that charges a 50 MW solar-fueled battery. Service under the agreement is scheduled to begin in 2021.

(a) Includes Flagstaff Community Power Project, APS School and Government Program and APS Solar Partner Program.(b) Includes rooftop solar facilities owned by third parties. Distributed generation is produced in DCand is converted to AC for reporting purposes.

Source: http://s2.q4cdn.com/279778296/files/doc_financials/quarterly/2017/Q4/2017-PNW-Form-10-K.pdf