Power line siting
Anticipating energy needs
As Arizona grows, we must plan and build new power lines to safely and reliably meet our customers’ energy needs. Our 10-year Transmission System Plan describes the high voltage and extra high voltage projects we’re planning for the upcoming decade to provide energy when and where it’s needed.
2021-2030 Ten Year Transmission Plan
Supplement to 2021 – 2030 Ten Year Transmission Plan